CN101625564B - Method and system for automatic control and automatic warning - Google Patents
Method and system for automatic control and automatic warning Download PDFInfo
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- CN101625564B CN101625564B CN2008100402663A CN200810040266A CN101625564B CN 101625564 B CN101625564 B CN 101625564B CN 2008100402663 A CN2008100402663 A CN 2008100402663A CN 200810040266 A CN200810040266 A CN 200810040266A CN 101625564 B CN101625564 B CN 101625564B
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Abstract
The invention discloses a method and a system for automatic control and automatic warning. The system warns operators in various warning ways in real time and carries out prevention in advance on a progress. The invention adopts the technical scheme that the system comprises a data extracting module, an interface export module, a database module, a control limit calculation module, a specification limit setting module, a control state data analysis module, a specification state data analysis module and a command module, wherein the data extracting module is used for acquiring process data and related ID information; the interface export module is used for converting and exporting formats of the data and the information; the database module is used for storing the data and the information; the control limit calculation module is used for calculating a process data control limit through the acquired historical process data; the specification limit setting module is used for setting a process data specification limit; the control state data analysis module is used for comparing the process data with the corresponding control limit so as to output a control state signal depending on whether the process data exceeds the corresponding control limit or not; the specification state data analysis module is used for comparing the process data with the corresponding specification limit so as to output a specification state signal depending on the process data exceeds the corresponding specification limit or not; and the command module is used for outputting a corresponding control command to equipment and outputting a warning instruction according to the control state signal and the specification state signal. The method and the system are applied to the fields of production control and warning.
Description
Technical field
The present invention relates to a kind of control and alarm method and system, relate in particular to a kind of based on the automatic control of SPC theory and technology and the method and system of warning.
Background technology
Change big today of producing in modern times, automatic control technology is in each large enterprises' widespread use, the mechanization intelligence operation progressively substituted manual operation.These automation equipments realize the automatic control to producing, but this technology never obtain breakthrough progress for many years through the operating process of setting with based on the different standard of declaring of SPEC.
Trace it to its cause, current automatic control technology fully based on the scope of characteristics of product index normal values judge produce or process whether unusual.Whether unusual feedback signal is carried out work to equipment through obtaining production or process.If the product performance achievement data is in regulating scope, process all belongs to normal condition, and equipment runs well; But if the product performance achievement data exceeds regulating scope, process belongs to up-set condition maybe can not reach the production status requirement, and equipment shuts down or system adjusts according to setting content, sends alerting signal simultaneously and reminds the operator.
Change big today of producing in modern times, automated control technology is in each large enterprises' widespread use, the intelligence operation of mechanization progressively substituted manually-operated.These automation equipments are through the operating process set with based on the different standard of declaring of SPEC. control; The automatic control of realization to producing; But this different standard of declaring based on SPEC. control is being used the important breakthrough that just never obtains for many years aspect the theory and technology; This traditional automatic control technology also exists the defective that some need to be improved in practical application, mainly show:
One of which, system can only accomplish process is corrected, and the generation of problem in can not the prevention process, like this, will cause portioned product do over again, scrap or product quality level not high.
They are two years old; Can't monitor procedure (or product) and process (or product) between the variation of required controlled variable; Thereby the slight change of a lot of crucial details out of control just can not come to light in the system; Thereby cause the instability of the controlled variable of production run, cause the instability of production run, cause the interests loss to enterprise.
Summary of the invention
The object of the present invention is to provide the system of a kind of automatic control and warning, this system is through the mode of group alarm lamp, and the real-time reminding operator is to reach the effect of process being carried out obviate.
Another object of the present invention is to provide the method for a kind of automatic control and warning, this method can be avoided the generation of substandard product in advance and overcome the excessive problem of product variation.
Technical scheme of the present invention is: the present invention has disclosed a kind of automatic control and warning system, and the process data of gathering in the production run is analyzed and through the signal feedback analysis result of warning, this system comprises:
Data extraction module, retrieve processed data and correlation ID information from production run, comprise product direct performance data, process or product indirect performance data and with the closely-related information of data;
Interface is derived module, and process data and correlation ID information that this data extraction module is obtained derive after format conversion;
DBM, process data and correlation ID information that storage is derived;
Control limit computing module, the control limit of the historical process data computation process data of from production run, obtaining through this database module stores;
Standard limit setting module, the standard that is used for the assignment procedure data is limit;
The state of a control data analysis module will be derived process data that module obtains and the control limit of this process data compare from this interface, according to whether exceeding control limit output state of a control signal;
The specification condition data analysis module will be derived process data that module obtains and the standard limit of this process data compare from this interface, according to whether exceeding standard limit output specification condition signal;
Instruction module instructs to corresponding equipment and the corresponding indication of reporting to the police of output according to state of a control signal and specification condition signal output control corresponding.
Above-mentioned automatic control and warning system; Wherein, The direct performance data of this product comprises the measurement data of the crucial controlling index of this product; The indirect performance data of this process or product comprises the operational factor of equipment, comprises device numbering and/or technology numbering with the closely-related id information of these data.
Above-mentioned automatic control and warning system; Wherein, The control limit that this control limit computing module calculates is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and the standard limit of this standard limit setting module setting is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.
Above-mentioned automatic control and warning system, wherein, this system also comprises:
The control chart theory is declared different criterion judge module, judges whether product data violate the different criterion of declaring in the control chart theory, if violate then export one and warn status signal to this instruction module;
The preset standard judge module; Judge whether product data violate preset standard; If violate then export one and warn status signal to this alarm module, combine this state of a control signal, this specification condition signal and this status signal of warning by this instruction module, corresponding indication is shown.
Above-mentioned automatic control and warning system, wherein, this system also comprises:
The graphic analyses module is showed the data analysis result in the system with the mode of statistical graph.
Above-mentioned automatic control and warning system, wherein, this system also comprises:
The alarm lamp module, by first shaped lamp of representing state of a control with represent second shaped lamp of specification condition to form, this first shaped lamp and this second shaped lamp all can show first color, second color and the 3rd color, its array mode is:
The present invention has also disclosed a kind of automatic control and alarm method, and the process data of gathering in the production run is analyzed and through the signal feedback analysis result of warning, this method comprises:
(1) retrieve processed data and correlation ID information from production run, comprise product direct performance data, process or product indirect performance data and with the closely-related id information of data;
(2) process data that gets access to and correlation ID information are exported to computing machine after format conversion, store database simultaneously into;
(3) limit through the control of stored historical process data computation process data in the database, and the standard of assignment procedure data limit;
(4) process data of current acquisition and the control limit of process data are carried out the data comparison, output state of a control signal carries out the data comparison with the process data of current acquisition and the standard limit of process data, output specification condition signal simultaneously;
(5) according to state of a control signal and the specification condition signal output control corresponding instruction and the indication of reporting to the police.
Above-mentioned automatic control and alarm method; Wherein, The direct performance data of this product comprises the measurement data of the crucial controlling index of this product; The indirect performance data of this process or product comprises the operational factor of equipment, comprises device numbering and/or technology numbering with the closely-related id information of these data.
Above-mentioned automatic control and alarm method, wherein, this control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and this standard limit is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.
Above-mentioned automatic control and alarm method, wherein, step (4) also comprises:
Judge whether the current production data violate declaring different criterion or violating preset standard in the control chart theory, if violate then export the status signal of warning;
Corresponding step (5) further comprises:
On the basis of state of a control signal and specification condition signal, combine this warn status signal output control corresponding instruction and corresponding indication of reporting to the police of output again.
Above-mentioned automatic control and alarm method, wherein, the data analysis result in the step (4) shows with the mode of statistical graph.
Above-mentioned automatic control and alarm method, wherein, this method also comprises:
The result who warns and indicate through the alarm lamp module of forming by first shaped lamp of representing state of a control and second shaped lamp of represent specification condition; This first shaped lamp all can show first color, second color and the 3rd color with this second shaped lamp, and its array mode is:
The present invention contrasts prior art has following beneficial effect: the present invention is through introducing the notion of control limit based on the historical process data; Simultaneously automatic control system and SPC technological means are organically combined; Manufacturing Automated process to enterprise carries out the real-time monitoring with SPC technical application mode; And the result of monitoring analysis fed back to opertaing device and panalarm (for example group alarm lamp) with the mode of instruction; Automatically produce next step operational order by opertaing device, alarm lamp is informed the production status that the operator is current simultaneously.Contrast prior art, but the generation of obviate unacceptable product and overcome the excessive problem of product variation.
Description of drawings
Fig. 1 is the schematic diagram of first embodiment of automatic control of the present invention and warning system.
Fig. 2 is the schematic diagram of second embodiment of automatic control of the present invention and warning system.
Fig. 3 is the schematic diagram of the 3rd embodiment of automatic control of the present invention and warning system.
Fig. 4 is the schematic diagram of the 4th embodiment of automatic control of the present invention and warning system.
Fig. 5 is the process flow diagram of first embodiment of automatic control of the present invention and alarm method.
Fig. 6 is the process flow diagram of second embodiment of automatic control of the present invention and alarm method.
Fig. 7 is the process flow diagram of the 3rd embodiment of automatic control of the present invention and alarm method.
Fig. 8 is the process flow diagram of the 4th embodiment of automatic control of the present invention and alarm method.
Embodiment
Below in conjunction with method and embodiment the present invention is done further description.
First embodiment of system
Fig. 1 shows the principle of first embodiment of automatic control of the present invention and warning system.See also Fig. 1, system comprises data extraction module 10, interface derivation module 11, DBM 12, control limit computing module 13, state of a control data analysis module 14, standard limit setting module 15, specification condition data analysis module 16, instruction module 17 and alarm lamp module 18.
Wherein data extraction module 10 is obtained current process data and correlation ID information from production run, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).Interface derive module 11 with data extraction module 10 procurement process data and correlation ID information after format conversion becomes digital signal or Code Number, through RS232, RS485 or the derivation of RJ45 port.Process data and correlation ID information that DBM 12 storages are derived.
Control limit computing module 13 is according to the control limit of the historical process data computation process data of from production run, obtaining of DBM 12 storages.Standard limit setting module 15 is used for the standard limit of assignment procedure data.The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for fixation process data, and its scope is confirmed, and the scope of control limit is based on the historical data generation.Compared to standard limit, the range size of control limit is limit less than standard, that is to say since the standard limit cause too greatly the standard limit can't the solution process in the big problem of product variation, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Control limit and interface that state of a control data analysis module 14 reception control limit computing modules 13 calculate are derived the active procedure data that module 11 transmits; Active procedure data and control limit are carried out the data comparison, whether exceed control limit output state of a control signal to instruction module 17 according to the active procedure data.Meanwhile; Specification condition data analysis module 16 receives the active procedure data that standard is limit and interface derivation module 11 transmits that standard limit setting module 15 is provided with; Active procedure data and standard limit are carried out the data comparison, whether exceed standard limit output specification condition signal to instruction module 17 according to the active procedure data.For instance; State of a control data analysis module 14 analyzes the active procedure data if specification condition data analysis module 16 analyzes that the active procedure data do not exceed standard limit has exceeded the control limit, explains that then current production has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future.Exceed control limit if state of a control data analysis module 14 analyzes the active procedure data, explained that then current production is excessive with the variation of product before this, had consistency problem.
It should be noted that instruction module 17 not only has the function of the alerting signal of illustrating, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.System can also offer a storage unit, is used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take, and forms a knowledge base, is convenient to the prevention and the processing of follow-up corresponding problem, is convenient to apparatus maintenance and maintenance simultaneously.
Second embodiment of system
Fig. 2 shows the principle of second embodiment of automatic control of the present invention and warning system.See also Fig. 2, system comprises data extraction module 20, interface derivation module 21, DBM 22, control limit computing module 23, state of a control data analysis module 24, standard limit setting module 25, specification condition data analysis module 26, instruction module 27, graphic analyses module 28 and alarm lamp module 29.
Wherein data extraction module 20 is obtained current process data and correlation ID information from production run, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).Interface derive module 21 with data extraction module 20 procurement process data and correlation ID information after format conversion becomes digital signal or Code Number, through RS232, RS485 or the derivation of RJ45 port.Process data and correlation ID information that DBM 22 storages are derived.
Control limit computing module 23 is according to the control limit of the historical process data computation process data of from production run, obtaining of DBM 22 storages.Standard limit setting module 25 is used for the standard limit of assignment procedure data.The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for a fixing product, and its scope is confirmed, and the scope of control limit is based on the historical data generation.Compared to the standard limit, the range size of control limit is limit less than standard, that is to say, because the standard limit causes the standard limit can't solve the big problem of product variation too greatly, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Control limit and interface that state of a control data analysis module 24 reception control limit computing modules 23 calculate are derived the active procedure data that module 21 transmits; Active procedure data and control limit are carried out the data comparison, whether exceed control limit output state of a control signal to instruction module 27 according to the active procedure data.Meanwhile; Specification condition data analysis module 26 receives the active procedure data that standard is limit and interface derivation module 21 transmits that standard limit setting module 25 is provided with; Active procedure data and standard limit are carried out the data comparison, whether exceed standard limit output specification condition signal to instruction module 27 according to the current production data.For instance; State of a control data analysis module 24 analyzes the active procedure data if specification condition data analysis module 26 analyzes that the active procedure data do not exceed standard limit has exceeded the control limit, explains that then current production has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future.Exceed control limit if state of a control data analysis module 24 analyzes the active procedure data, explained that then current production is excessive with the variation of product before this, had consistency problem.
Instruction module 27 illustrates corresponding indication to alarm lamp module 29 according to state of a control signal and specification condition signal.Alarm lamp module 29 can be the composite signal lamp, for state of a control signal and specification condition signal, can take to report to the police respectively or mode that cross coupled is reported to the police.For instance, the composite signal light fixture has circular and square two kinds of shapes, and wherein circular signal lamp is represented the judgement of state of a control, and square signal lamp is represented the judgement of specification condition.The color of composite signal lamp is divided into redness and green, and the wherein green active procedure data of representing are not only in the control limit but also in the standard limit, and red representative exceeds the scope of control limit or standard limit.For example; The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 26 do not exceed standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 24 outputs have exceeded control limit scope, and then instruction module 27 can square signal lamp green occur and the red state of circular signal lamp by the indicator signal Assembled lamp.The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 26 have exceeded standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 24 outputs have exceeded control limit scope, and then instruction module 27 can the state that square signal lamp is red and circular signal lamp is red occur by the indicator signal Assembled lamp.The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 26 do not exceed standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 24 outputs do not exceed control limit scope yet, and then instruction module 27 can the state that square signal lamp is green and circular signal lamp is green occur by the indicator signal Assembled lamp.
It should be noted that instruction module 27 not only has the function of the alerting signal of illustrating, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.System can also offer a storage unit, is used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take, and forms a knowledge base, is convenient to the prevention and the processing of follow-up corresponding problem, is convenient to apparatus maintenance and maintenance simultaneously.
The 3rd embodiment of system
Fig. 3 shows the principle of the 3rd embodiment of automatic control of the present invention and warning system.See also Fig. 3, system comprises that data extraction module 300, interface derive module 301, DBM 302, control limit computing module 303, state of a control data analysis module 304, standard limit setting module 305, specification condition data analysis module 306, control chart theory and declare different criterion judge module 307, preset standard judge module 308, instruction module 309 and alarm lamp module 310.
Wherein data extraction module 300 is obtained active procedure data and correlation ID information from production run, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).Interface derive module 301 with data extraction module 300 procurement process data and correlation ID information after format conversion becomes digital signal or Code Number, through RS232, RS485 or the derivation of RJ45 port.Process data and correlation ID information that DBM 302 storages are derived.
Control limit computing module 303 is according to the control limit of the historical process data computation product that from production run, obtains of DBM 302 storages.Standard limit setting module 305 is used for the standard limit of assignment procedure data.The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for a fixing product, and its scope is confirmed, and the scope of control limit is based on the historical data generation.Compared to the standard limit, the range size of control limit is limit less than standard, that is to say, because the standard limit causes the standard limit can't solve the big problem of product variation too greatly, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Control limit and interface that state of a control data analysis module 304 reception control limit computing modules 303 calculate are derived the active procedure data that module 301 transmits; Active procedure data and control limit are carried out the data comparison, whether exceed control limit output state of a control signal to instruction module 309 according to the active procedure data.Meanwhile; Specification condition data analysis module 306 receives the active procedure data that standard is limit and interface derivation module 301 transmits that standard limit setting module 305 is provided with; Active procedure data and standard limit are carried out the data comparison, whether exceed standard limit output specification condition signal to instruction module 309 according to the active procedure data.For instance; State of a control data analysis module 304 analyzes the active procedure data if specification condition data analysis module 306 analyzes that the active procedure data do not exceed standard limit has exceeded the control limit, explains that then active procedure has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future.Exceed control limit if state of a control data analysis module 304 analyzes the active procedure data, explained that then current production is excessive with the variation of product before this, had consistency problem.
The control chart theory is declared the active procedure data that different criterion judge module 307 receiving interfaces are derived module 301, and whether judgment data violates the different criterion of declaring in the control chart theory, if violate signal to the instruction module 309 then output is warned.These are declared different criterion and comprise that in the control chart theory some declare different criterion; If for example module 307 is judged continuous 6 risings or continuous 6 declines; Then judge current production and have ascendant trend or downtrending; The possibility that exceeds the control limit is arranged, export status signal to the instruction module 309 of warning accordingly.
Preset standard judge module 308 receiving interfaces are derived the active procedure data of module 301, and whether judgment data violates preset standard, if violate status signal to the instruction module 309 then output is warned.A numerical range for example is set in advance as preset standard,, then exports status signal to the instruction module 309 of warning accordingly if the current production data exceed whole preset numerical range.
Instruction module 309 illustrates corresponding indication to alarm lamp module 310 according to state of a control signal and specification condition signal.Alarm lamp module 310 can be the composite signal lamp, for state of a control signal, specification condition signal and the status signal of warning, can take to report to the police respectively or mode that cross coupled is reported to the police.For instance, the composite signal light fixture has circular and square two kinds of shapes, and wherein circular signal lamp is represented the judgement of state of a control, and square signal lamp is represented the judgement of specification condition.The color of composite signal lamp is divided into redness, green and yellow; The wherein green active procedure data of representing are not only in the control limit but also in the standard limit; Red representative exceeds the scope of control limit or standard limit, and yellow representative has been violated the control chart theory and declared different criterion or violated preset standard in advance but do not exceed the standard limit.For example; The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 306 do not exceed standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 304 outputs have exceeded control limit scope, and then instruction module 309 can square signal lamp green occur and the red state of circular signal lamp by the indicator signal Assembled lamp.The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 306 have exceeded standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 304 outputs have exceeded control limit scope, and then instruction module 309 can the state that square signal lamp is red and circular signal lamp is red occur by the indicator signal Assembled lamp.The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 306 do not exceed standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 304 outputs do not exceed control limit scope yet, and then instruction module 309 can the state that square signal lamp is green and circular signal lamp is green occur by the indicator signal Assembled lamp.Declare different criterion judge module 307 or preset standard judge module 308 when the control chart theory and judge the active procedure data and violated the control chart theory and declare different criterion or violated preset standard, then instruction module 309 can yellow state occur showing by the indicator signal Assembled lamps.
It should be noted that instruction module 309 not only has the function of the alerting signal of illustrating, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.System can also offer a storage unit, is used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take, and forms a knowledge base, is convenient to the prevention and the processing of follow-up corresponding problem, is convenient to apparatus maintenance and maintenance simultaneously.
The 4th embodiment of system
Fig. 4 shows the principle of the 4th embodiment of automatic control of the present invention and warning system.See also Fig. 4, system comprises that data extraction module 400, interface derive module 401, DBM 402, control limit computing module 403, state of a control data analysis module 404, standard limit setting module 405, specification condition data analysis module 406, control chart theory and declare different criterion judge module 407, preset standard judge module 408, instruction module 409, graphic analyses module 410 and alarm lamp module 411.
Wherein data extraction module 400 is obtained active procedure data and correlation ID information from production run, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).Interface is derived module 401 data extraction module 400 is obtained data and correlation ID information after format conversion becomes digital signal or Code Number, through RS232, RS485 or the derivation of RJ45 port.Data and correlation ID information that DBM 402 storages are derived.
Control limit computing module 403 is according to the control limit of the historical process data computation process data of from production run, obtaining of DBM 402 storages.Standard limit setting module 405 is used for the standard limit of assignment procedure data.The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for a fixing product, and its scope is confirmed, and the scope of control limit is based on the historical data generation.Compared to the standard limit, the range size of control limit is limit less than standard, that is to say, because the standard limit causes the standard limit can't solve the big problem of product variation too greatly, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Control limit and interface that state of a control data analysis module 404 reception control limit computing modules 403 calculate are derived the active procedure data that module 401 transmits; Active procedure data and control limit are carried out the data comparison, whether exceed control limit output state of a control signal to instruction module 409 according to the active procedure data.Meanwhile; Specification condition data analysis module 406 receives the active procedure data that standard is limit and interface derivation module 401 transmits that standard limit setting module 405 is provided with; Active procedure data and standard limit are carried out the data comparison, whether exceed standard limit output specification condition signal to instruction module 409 according to the active procedure data.For instance; State of a control data analysis module 404 analyzes the active procedure data if specification condition data analysis module 406 analyzes that the active procedure data do not exceed standard limit has exceeded the control limit, explains that then current production has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future.Exceed control limit if state of a control data analysis module 404 analyzes the current production data, explained that then current production is excessive with the variation of product before this, had consistency problem.
The control chart theory is declared the current production data that different criterion judge module 407 receiving interfaces are derived module 401, and whether judgment data violates the different criterion of declaring in the control chart theory, if violate signal to the instruction module 409 then output is warned.These are declared different criterion and comprise that in the control chart theory some declare different criterion; If for example module 407 is judged continuous 6 risings or continuous 6 declines; Then judge current production and have ascendant trend or downtrending; The possibility that exceeds the control limit is arranged, export status signal to the instruction module 409 of warning accordingly.
Preset standard judge module 408 receiving interfaces are derived the current production data of module 401, and whether judgment data violates preset standard, if violate status signal to the instruction module 409 then output is warned.A numerical range for example is set in advance as preset standard,, then exports status signal to the instruction module 409 of warning accordingly if the current production data exceed whole preset numerical range.
Instruction module 409 illustrates corresponding indication to alarm lamp module 411 according to state of a control signal and specification condition signal.Alarm lamp module 411 can be the composite signal lamp, for state of a control signal, specification condition signal and the status signal of warning, can take to report to the police respectively or mode that cross coupled is reported to the police.For instance, the composite signal light fixture has circular and square two kinds of shapes, and wherein circular signal lamp is represented the judgement of state of a control, and square signal lamp is represented the judgement of specification condition.The color of composite signal lamp is divided into redness, green and yellow; The wherein green active procedure data of representing are not only in the control limit but also in the standard limit; Red representative exceeds the scope of control limit or standard limit, and yellow representative has been violated the control chart theory and declared different criterion or violated preset standard in advance but do not exceed the standard limit.For example; The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 406 do not exceed standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 404 outputs have exceeded control limit scope, and then instruction module 409 can square signal lamp green occur and the red state of circular signal lamp by the indicator signal Assembled lamp.The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 406 have exceeded standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 404 outputs have exceeded control limit scope, and then instruction module 409 can the state that square signal lamp is red and circular signal lamp is red occur by the indicator signal Assembled lamp.The specification condition signal indicating active procedure data of exporting when specification condition data analysis module 406 do not exceed standard limit scope; And the state of a control signal indicating active procedure data of state of a control data analysis module 404 outputs do not exceed control limit scope yet, and then instruction module 409 can the state that square signal lamp is green and circular signal lamp is green occur by the indicator signal Assembled lamp.Declare different criterion judge module 407 or preset standard judge module 408 when the control chart theory and judge the current production data and violated the control chart theory and declare different criterion or violated preset standard, then instruction module 409 can yellow state occur showing by the indicator signal Assembled lamps.
It should be noted that instruction module 409 not only has the function of the alerting signal of illustrating, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.System can also offer a storage unit, is used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take, and forms a knowledge base, is convenient to the prevention and the processing of follow-up corresponding problem, is convenient to apparatus maintenance and maintenance simultaneously.
Method first embodiment
Fig. 5 shows the process flow diagram of first embodiment of automatic control of the present invention and alarm method.Seeing also Fig. 5, is the detailed description to each step in this method below.
Step S100: from production run, obtain active procedure data and correlation ID information, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).
Step S101: the process data that gets access to and correlation ID information after format conversion becomes digital signal or Code Number, are exported to computing machine through RS232, RS485 or RJ45 port, store in the database simultaneously.
Step S102: through the control limit of stored historical process data computation process data in the database, the standard of assignment procedure data limit simultaneously.
The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for a fixing product, and its scope is confirmed, and the scope of control limit is based on the historical data generation.Compared to the standard limit, the range size of control limit is limit less than standard, that is to say, because the standard limit causes the standard limit can't solve the big problem of product variation too greatly, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Step S103: the process data of current acquisition and the control limit of process data are carried out the data comparison, and output state of a control signal carries out the data comparison with the process data of current acquisition and the standard limit of process data, output specification condition signal simultaneously.
For instance, do not exceed standard limit but exceeded the control limit, explain that then active procedure has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future if analyze the active procedure data.Exceed control limit if analyze the current production data, explained that then current production is excessive with the variation of product before this, had consistency problem.
Step S104: instruct production equipment and corresponding indicating signals to alarm lamp module to correspondence according to state of a control signal and specification condition signal output control corresponding.
It should be noted that not only have the alerting signal of illustrating among the step S104, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.Method can also increase a step: offer a storage unit; Be used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take; Form a knowledge base, be convenient to the prevention and the processing of follow-up corresponding problem, be convenient to apparatus maintenance and maintenance simultaneously.
Step S105: the alarm lamp module is warned different state according to indicator signal.
The alarm lamp module can be the composite signal lamp, for state of a control signal and specification condition signal, can take to report to the police respectively or mode that cross coupled is reported to the police.For instance, the composite signal light fixture has circular and square two kinds of shapes, and wherein circular signal lamp is represented the judgement of state of a control, and square signal lamp is represented the judgement of specification condition.The color of composite signal lamp is divided into redness and green, and the wherein green active procedure data of representing are not only in the control limit but also in the standard limit, and red representative exceeds the scope of control limit or standard limit.For example, limit scope when specification condition signal indicating active procedure data exceed standard, and state of a control signal indicating active procedure data have exceeded control limit scope, then the red state of circular signal lamp square signal lamp green appears and in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data have exceeded standard limit scope, and state of a control signal indicating active procedure data have exceeded control limit scope, and then the state that square signal lamp is red and circular signal lamp is red appears in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data exceed standard limit scope, and state of a control signal indicating active procedure data do not exceed control limit scope yet, and then the state that square signal lamp is green and circular signal lamp is green appears in the indicator signal Assembled lamp.
Method second embodiment
Fig. 6 shows the process flow diagram of second embodiment of automatic control of the present invention and alarm method.Seeing also Fig. 6, is the detailed description to each step in this method below.
Step S200: from production run, obtain active procedure data and correlation ID information, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).
Step S201: the process data that gets access to and correlation ID information after format conversion becomes digital signal or Code Number, are exported to computing machine through RS232, RS485 or RJ45 port, store in the database simultaneously.
Step S202: through the control limit of stored historical process data computation process data in the database, the standard of assignment procedure data limit simultaneously.
The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for a fixing product, and its scope is confirmed, and the scope of control limit is based on the generation of historical process data.Compared to the standard limit, the range size of control limit is limit less than standard, that is to say, because the standard limit causes the standard limit can't solve the big problem of product variation too greatly, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Step S203: the process data of current acquisition and the control limit of process data are carried out the data comparison, and output state of a control signal carries out the data comparison with the process data of current acquisition and the standard limit of process data, output specification condition signal simultaneously.
For instance, do not exceed standard limit but exceeded the control limit, explain that then active procedure has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future if analyze the active procedure data.Exceed control limit if analyze the current production data, explained that then current production is excessive with the variation of product before this, had consistency problem.
Step S204: the data analysis result among the step S203 is showed with the mode of statistical graph.
For example, show the data analysis result with the mode of the statistical graph of average range chart etc., so that the operator utilizes control diagram to carry out process analysis procedure analysis.
Step S205: instruct production equipment and corresponding indicating signals to alarm lamp module to correspondence according to state of a control signal and specification condition signal output control corresponding.
It should be noted that not only have the alerting signal of illustrating among the step S205, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.Method can also increase a step: offer a storage unit; Be used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take; Form a knowledge base, be convenient to the prevention and the processing of follow-up corresponding problem, be convenient to apparatus maintenance and maintenance simultaneously.
Step S206: the alarm lamp module is warned different state according to indicator signal.
The alarm lamp module can be the composite signal lamp, for state of a control signal and specification condition signal, can take to report to the police respectively or mode that cross coupled is reported to the police.For instance, the composite signal light fixture has circular and square two kinds of shapes, and wherein circular signal lamp is represented the judgement of state of a control, and square signal lamp is represented the judgement of specification condition.The color of composite signal lamp is divided into redness and green, and the wherein green active procedure data of representing are not only in the control limit but also in the standard limit, and red representative exceeds the scope of control limit or standard limit.For example, limit scope when specification condition signal indicating active procedure data exceed standard, and state of a control signal indicating active procedure data have exceeded control limit scope, then the red state of circular signal lamp square signal lamp green appears and in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data have exceeded standard limit scope, and state of a control signal indicating active procedure data have exceeded control limit scope, and then the state that square signal lamp is red and circular signal lamp is red appears in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data exceed standard limit scope, and state of a control signal indicating active procedure data do not exceed control limit scope yet, and then the state that square signal lamp is green and circular signal lamp is green appears in the indicator signal Assembled lamp.
Method the 3rd embodiment
Fig. 7 shows the process flow diagram of the 3rd embodiment of automatic control of the present invention and alarm method.Seeing also Fig. 7, is the detailed description to each step in this method below.
Step S300: from production run, obtain active procedure data and correlation ID information, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).
Step S301: the process data that gets access to and correlation ID information after format conversion becomes digital signal or Code Number, are exported to computing machine through RS232, RS485 or RJ45 port, store in the database simultaneously.
Step S302: through the control limit of stored historical process data computation process data in the database, the standard of assignment procedure data limit simultaneously.
The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for a fixing product, and its scope is confirmed, and the scope of control limit is based on the historical data generation.Compared to the standard limit, the range size of control limit is limit less than standard, that is to say, because the standard limit causes the standard limit can't solve the big problem of product variation too greatly, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Step S303: the process data of current acquisition and the control limit of process data are carried out the data comparison, and output state of a control signal carries out the data comparison with the process data of current acquisition and the standard limit of process data, output specification condition signal simultaneously.Judge whether the active procedure data violate declaring different criterion or violating preset standard in the control chart theory, if violate status signal then output is warned.
For instance, do not exceed standard limit but exceeded the control limit, explain that then active procedure has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future if analyze the active procedure data.Exceed control limit if analyze the active procedure data, explained that then current production is excessive with the variation of product before this, had consistency problem.
These control chart theories are declared different criterion and are comprised that in the control chart theory some declare different criterion; If for example continuous 6 are risen or continuous 6 declines; Then judge current production and have ascendant trend or downtrending, the possibility that exceeds the control limit is arranged, export the status signal of warning accordingly.If the current production data exceed whole preset numerical range, then export the status signal of warning accordingly.
Step S304: instruct production equipment and corresponding indicating signals to alarm lamp module to correspondence according to state of a control signal, specification condition signal and the status signal of warning output control corresponding.
It should be noted that not only have the alerting signal of illustrating among the step S304, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.Method can also increase a step: offer a storage unit; Be used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take; Form a knowledge base, be convenient to the prevention and the processing of follow-up corresponding problem, be convenient to apparatus maintenance and maintenance simultaneously.
Step S305: the alarm lamp module is warned different state according to indicator signal.
The alarm lamp module can be the composite signal lamp, for state of a control signal, specification condition signal and the status signal of warning, can take to report to the police respectively or mode that cross coupled is reported to the police.For instance, the composite signal light fixture has circular and square two kinds of shapes, and wherein circular signal lamp is represented the judgement of state of a control, and square signal lamp is represented the judgement of specification condition.The color of composite signal lamp is divided into redness, green and yellow; The wherein green active procedure data of representing are not only in the control limit but also in the standard limit; Red representative exceeds the scope of control limit or standard limit, and yellow representative has been violated the control chart theory and declared different criterion or violated preset standard in advance but do not exceed the standard limit.For example, limit scope when specification condition signal indicating active procedure data exceed standard, and state of a control signal indicating active procedure data have exceeded control limit scope, then the red state of circular signal lamp square signal lamp green appears and in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data have exceeded standard limit scope, and state of a control signal indicating active procedure data have exceeded control limit scope, and then the state that square signal lamp is red and circular signal lamp is red appears in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data exceed standard limit scope, and state of a control signal indicating active procedure data do not exceed control limit scope yet, and then the state that square signal lamp is green and circular signal lamp is green appears in the indicator signal Assembled lamp.Violated the control chart theory and declare different criterion or violated preset standard when judging the current production data, then yellow state appears showing in the indicator signal Assembled lamp.
Method the 4th embodiment
Fig. 8 shows the process flow diagram of the 4th embodiment of automatic control of the present invention and alarm method.Seeing also Fig. 8, is the detailed description to each step in this method below.
Step S400: from production run, obtain active procedure data and correlation ID information, comprise direct performance data (such as the crucial controlling index of product: length and width, diameter etc.), process or the product of product indirect performance data (such as the operational factor of equipment: electric current, voltage, temperature, pressure intensity etc.) and with the closely-related id information of data (such as the numbering of equipment, technology numbering etc.).
Step S401: the process data that gets access to and correlation ID information after format conversion becomes digital signal or Code Number, are exported to computing machine through RS232, RS485 or RJ45 port, store in the database simultaneously.
Step S402: through the control limit of stored historical process data computation process data in the database, the standard of assignment procedure data limit simultaneously.
The control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and same, the standard limit also is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.Understand easily, standard is limit for a fixing product, and its scope is confirmed, and the scope of control limit is based on the historical data generation.Compared to the standard limit, the range size of control limit is limit less than standard, that is to say, because the standard limit causes the standard limit can't solve the big problem of product variation too greatly, can solve through the littler control limit of scope.Same, because the control limit is littler more accurate than the scope of standard limit, the prevision before the product rejection also can be known through whether exceeding the control limit.
Step S403: the process data of current acquisition and the control limit of process data are carried out the data comparison, and output state of a control signal carries out the data comparison with the process data of current acquisition and the standard limit of process data, output specification condition signal simultaneously.Judge whether the active procedure data violate declaring different criterion or violating preset standard in the control chart theory, if violate status signal then output is warned.
For instance, do not exceed standard limit but exceeded the control limit, explain that then active procedure has the trend that exceeds the standard limit and the possibility of scrapping is arranged in the future if analyze the active procedure data.Exceed control limit if analyze the current production data, explained that then current production is excessive with the variation of product before this, had consistency problem.
These control chart theories are declared different criterion and are comprised that in the control chart theory some declare different criterion; If for example continuous 6 are risen or continuous 6 declines; Then judge current production and have ascendant trend or downtrending, the possibility that exceeds the control limit is arranged, export the status signal of warning accordingly.If the active procedure data exceed whole preset numerical range, then export the status signal of warning accordingly.
Step S404: the data analysis result among the step S403 is showed with the mode of statistical graph.
For example, show the data analysis result with the mode of the statistical graph of average range chart etc., so that the operator utilizes control diagram to carry out process analysis procedure analysis.
Step S405: instruct production equipment and corresponding indicating signals to alarm lamp module to correspondence according to state of a control signal, specification condition signal and the status signal of warning output control corresponding.
It should be noted that not only have the alerting signal of illustrating among the step S405, also export the relevant device in steering order to the production run, control these relevant devices automatically, be able to improve on the basis so that follow-up product is manufactured on before this.Method can also increase a step: offer a storage unit; Be used for the problem of site operation personnel's storage products appearance, the countermeasure that produces reason and take; Form a knowledge base, be convenient to the prevention and the processing of follow-up corresponding problem, be convenient to apparatus maintenance and maintenance simultaneously.
Step S406: the alarm lamp module is warned different state according to indicator signal.
The alarm lamp module can be the composite signal lamp, for state of a control signal, specification condition signal and the status signal of warning, can take to report to the police respectively or mode that cross coupled is reported to the police.For instance, the composite signal light fixture has circular and square two kinds of shapes, and wherein circular signal lamp is represented the judgement of state of a control, and square signal lamp is represented the judgement of specification condition.The color of composite signal lamp is divided into redness, green and yellow; The wherein green active procedure data of representing are not only in the control limit but also in the standard limit; Red representative exceeds the scope of control limit or standard limit, and yellow representative has been violated the control chart theory and declared different criterion or violated preset standard in advance but do not exceed the standard limit.For example, limit scope when specification condition signal indicating active procedure data exceed standard, and state of a control signal indicating active procedure data have exceeded control limit scope, then the red state of circular signal lamp square signal lamp green appears and in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data have exceeded standard limit scope, and state of a control signal indicating active procedure data have exceeded control limit scope, and then the state that square signal lamp is red and circular signal lamp is red appears in the indicator signal Assembled lamp.When specification condition signal indicating active procedure data exceed standard limit scope, and state of a control signal indicating active procedure data do not exceed control limit scope yet, and then the state that square signal lamp is green and circular signal lamp is green appears in the indicator signal Assembled lamp.Violated the control chart theory and declare different criterion or violated preset standard when judging the current production data, then yellow state appears showing in the indicator signal Assembled lamp.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; Those of ordinary skills can be under the situation that does not break away from invention thought of the present invention; The foregoing description is made various modifications or variation; Thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (8)
1. automatically control and warning system, the process data of gathering in the production run is analyzed and through the signal feedback analysis result of warning, this system comprises:
Data extraction module, retrieve processed data and correlation ID information from production run, comprise product direct performance data, process or product indirect performance data and with the closely-related id information of process data;
Interface is derived module, and process data and correlation ID information that this data extraction module is obtained derive after format conversion;
DBM, process data and correlation ID information that storage is derived;
Control limit computing module, the control limit of the historical process data computation process data of from production run, obtaining through this database module stores;
Standard limit setting module, the standard that is used for the assignment procedure data is limit;
The state of a control data analysis module will be derived process data that module obtains and the control limit of this process data compare from this interface, according to whether exceeding control limit output state of a control signal;
The specification condition data analysis module will be derived process data that module obtains and the standard limit of this process data compare from this interface, according to whether exceeding standard limit output specification condition signal;
Instruction module instructs to corresponding equipment and the corresponding indication of reporting to the police of output according to state of a control signal and specification condition signal output control corresponding;
The control chart theory is declared different criterion judge module, judges whether product data violate the different criterion of declaring in the control chart theory, if violate then export one and warn status signal to this instruction module;
The preset standard judge module; Judge whether product data violate preset standard; If violate then export one and warn status signal to this instruction module, combine this state of a control signal, this specification condition signal and this status signal of warning by this instruction module, corresponding indication is shown;
The alarm lamp module, by first shaped lamp of representing state of a control with represent second shaped lamp of specification condition to form, this first shaped lamp and this second shaped lamp all can show first color, second color and the 3rd color, its array mode is:
2. automatic control according to claim 1 and warning system; It is characterized in that; The direct performance data of this product comprises the measurement data of the crucial controlling index of this product; The indirect performance data of this process or product comprises the operational factor of equipment, comprises device numbering and/or technology numbering with the closely-related id information of this process data.
3. automatic control according to claim 1 and warning system; It is characterized in that; The control limit that this control limit computing module calculates is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and the standard limit of this standard limit setting module setting is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.
4. according to each described automatic control and warning system in the claim 1～3, it is characterized in that this system also comprises:
The graphic analyses module is showed the data analysis result in the system with the mode of statistical graph.
5. automatically control and alarm method, the process data of gathering in the production run is analyzed and through the signal feedback analysis result of warning, this method comprises:
(1) retrieve processed data and correlation ID information from production run, comprise product direct performance data, process or product indirect performance data and with the closely-related id information of process data;
(2) process data that gets access to and correlation ID information are exported to computing machine after format conversion, store database simultaneously into;
(3) limit through the control of stored historical process data computation process data in the database, and the standard of assignment procedure data limit;
(4) process data of current acquisition and the control limit of process data are carried out the data comparison; Output state of a control signal; Simultaneously the process data of current acquisition and the standard limit of process data are carried out the data comparison; Output specification condition signal judges whether the current production data violate declaring different criterion or violating preset standard in the control chart theory, if violation then export the status signal of warning;
(5), on the basis of state of a control signal and specification condition signal, combine this warn status signal output control corresponding instruction and corresponding indication of reporting to the police of output again according to state of a control signal and the specification condition signal output control corresponding instruction and the indication of reporting to the police;
The result who warns and indicate through the alarm lamp module of forming by first shaped lamp of representing state of a control and second shaped lamp of represent specification condition; This first shaped lamp all can show first color, second color and the 3rd color with this second shaped lamp, and its array mode is:
。
6. automatic control according to claim 5 and alarm method; It is characterized in that; The direct performance data of this product comprises the measurement data of the crucial controlling index of this product; The indirect performance data of this process or product comprises the operational factor of equipment, comprises device numbering and/or technology numbering with the closely-related id information of this process data.
7. automatic control according to claim 5 and alarm method is characterized in that, this control limit is divided into the control limit upper limit, control limit lower limit and control limit standard limit, and this standard limit is divided into the standard limit upper limit, standard limit lower limit and standard limit standard limit.
8. according to each described automatic control and alarm method in the claim 5～7, it is characterized in that the data analysis result in the step (4) shows with the mode of statistical graph.
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| CN102279578A (en) * | 2010-06-09 | 2011-12-14 | 张明亮 | Control mode with early warning function |
| CN104786347B (en) * | 2015-04-29 | 2017-03-08 | 贵州省建筑材料科学研究设计院有限责任公司 | A kind of control system of compact type vacuum extruder |
| DE102017109568A1 (en) * | 2017-05-04 | 2018-11-08 | TRüTZSCHLER GMBH & CO. KG | fiber opener |
| DE102017109620A1 (en) * | 2017-05-04 | 2018-11-08 | TRüTZSCHLER GMBH & CO. KG | Foreign Part Separator |
| CN109306558B (en) * | 2017-07-26 | 2021-08-03 | 卓郎（江苏）纺织机械有限公司 | Spinning machine with state parameter display device |
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