CN110045700A - The centralized control system of precision instrument in space simulator - Google Patents
The centralized control system of precision instrument in space simulator Download PDFInfo
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- CN110045700A CN110045700A CN201910312226.8A CN201910312226A CN110045700A CN 110045700 A CN110045700 A CN 110045700A CN 201910312226 A CN201910312226 A CN 201910312226A CN 110045700 A CN110045700 A CN 110045700A
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
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- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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Abstract
The invention discloses a kind of precision instrument centralized control systems applied in ultra-large type space simulator, including primary server unit, child servers unit, client unit.Concurrently multiple data processing units according to system resource occupancy situation and equipment running status situation make multiple data processing units work in a manner of going here and there, combine parallel to primary server unit, while all data and status information being summarized；Child servers unit is mainly responsible for the control of bottom PXI data acquisition equipment and programmable power supply and the data interaction with primary server unit；Client unit is mainly interacted with primary server unit, user.Rational management of the present invention and distribution resource, improve the utilization rate of resource, in the case where temperature-responsive is the vacuum low-temperature environment of large time delay, improve the speed of data acquisition and circuit control, in the case where the period is constant, the data acquisition on 3500 tunnels and the power supply control of 2000 control loops may be implemented, be 2~4 times of previous equipment or more.
Description
Technical field
The invention belongs to space environment simulation systems technology fields, and in particular to one kind is in ultra-large type space simulator
The centralized control system and control method of middle precision instrument.
Background technique
Space simulator is a kind of for simulating outer space vacuum, cold black, Orbital heat flux environment equipment.In order to simulate
Space heat flux generally uses certain control algolithm software, controls the output of programmable power supply, simulated by infrared heating device
Space heat flux.When simulating space heat flux, need to measure arrival spacecraft surface or by the space of spacecraft Surface absorption
Orbital heat flux, regardless of being measured using which kind of heat-flow meter, be all by measuring temperature, then with formula scales at heat flow value,
Therefore, it is necessary to the measurement task of temperature is completed by precision data acquisition instrument.
China's aerospace industry rapidly develops in recent years, and spacecraft model test mission unprecedentedly increases, it is necessary to spacecraft into
Vacuum thermal test under the conditions of the sufficient vacuum of row, cold black and space heat flux, this is just to the proficiency of test operator, number
Amount, manual operation equipment fault rate propose higher requirement, this requires the TT&C systems of spacecraft ground testing equipment
Also must develop towards the direction of high automation, high reliability, high-intelligentization.Secondly, with the batch production of spacecraft and new
The development of type spacecraft, Orbital heat flux simulation and the control point that needs to configure of temperature measurement, measurement point quantity are more and more, it is desirable that
Control precision is higher and higher, and speed is getting faster, and control requires to become increasingly complex.In certain newly-built ultra-large type space environment simulation
In device, need to realize the temperature data acquisition on 3500 tunnels and the power supply control of nearly 2000 control loops, and control the period most
It is big to be no more than 60 seconds.
Inventor has found in investigation, in ultra-large type space simulator, the centralized control and tradition of precision instrument
There are greatest differences for instrument controlling.Be mainly manifested in: infrared heating device and spacecraft work in a cold darkness environment of vacuum,
Environmental pressure is 10-3Pa~10-5Between Pa, temperature is between -200 DEG C~-100 DEG C, the heat exchange method under the vacuum environment
Only heat radiation, may be not present thermal convection, and system has biggish thermo-lag.In addition, the present invention is used for spatial loop with existing
There is also differents for precision instrument control in the simulator of border, and be mainly manifested in: a system wants the degree of automation with higher,
Manual operation requires simple；B system is realized concentrated controling management, rather than is controlled respectively to data acquisition instrument, programmable power supply；
C systematic survey point, control point enormous amount, be equivalent to 2~4 times of previous space simulator, but system requirements change
Less, it still requires that within the regular hour, while guaranteeing precision, completes temperature measurement and Orbital heat flux simulation.
Therefore, in order to meet the Orbital heat flux simulation test demand of existing spacecraft, the present invention need to develop a kind of for surpassing
In large space environment simulator, by the concentration of automatic work process flow operation, flexibly configurable, multichannel precision instrument
Control system and the control method for using the control system.
Summary of the invention
It is an object of the invention to invent a kind of centralized control for precision instrument in ultra-large type space simulator
System.For the deficiency that precision instrument in current space simulator controls, optimization system structure of the present invention improves automation
Level, streamline operation, labor-saving while also avoided to the greatest extent since human factor gives test result band
The error come.The present invention provides technical guarantee for the simulation of space environment Orbital heat flux, mentions for the vacuum thermal test work of spacecraft
It has supplied to ensure.
Present invention employs the following technical solutions:
Centralized control system for precision instrument in ultra-large type space simulator of the invention, including primary server
Unit, child servers unit, client unit, wherein the primary server unit can be concurrent multiple in the instrument centralized control stage
Data processing unit makes multiple data processing units to go here and there, simultaneously according to system resource occupancy situation and equipment running status situation
The mode that row combines works, while can also summarize the data of all units and status information, and primary server is two-shipper
Hot standby mode, i.e., similarly configure two-server, and one is used as main website, and another is used as secondary station, and main website completes service
The normal work of device, another synchronous, and when main station failure, secondary station takes over the work of main website, and main website is interchangeable with secondary station；
Child servers unit is the core cell for controlling underlying device, is mainly responsible for bottom PXI data acquisition equipment and programmable power supply
Control, and the data interaction with primary server unit；Wherein, client unit is mainly carried out with primary server unit, user
The interaction of data, be responsible for read input user information, respond user operation, receive user input every configuration data and
Parameter change, and send it to primary server unit, read the data that primary server unit returns and carry out user interface
Display.
Wherein, client unit includes man-machine interaction unit and test monitoring unit.
Further, man-machine interaction unit major function is rights management to be carried out to user, and receive using pilot pattern
System user instruction input prompts all information needed to configure with dialog box, and whether verification current configuration information is deposited
In mistake, mistake is prompted, can just carry out next step configuration after configuration is correct, with guarantee the integrality of configuration information with just
True property.
Further, test monitoring unit: major function is monitored to system running state, and with table or figure
Form export related data.
Wherein, primary server unit include primary server control unit, real time data library unit, database access unit,
Desk-top instrument data acquisition unit, file distributing unit, path computation unit, Data Integration unit, network client end unit,
Middle database access unit, desk-top instrument data acquisition unit, file distributing unit, path computation unit, Data Integration unit,
Network client end unit is parallel execution unit.
Further, primary server control unit is responsible for reception and the hair of instruction as the core cell on primary server
It send, the error handle of the transmitting of each unit instruction and data and primary server unit.
Wherein, real time data library unit individually opens up one piece of memory for storing real time data in primary server, counts in real time
Include desk-top instrument data cell according to library unit, PXI system data unit, child servers control data cell, calculate port number
According to unit.
Further, desk-top instrument data cell is responsible for storing the real time data of desk-top instrument data acquisition unit, and supplies
Database access unit, path computation cell call, updates real time data at file distributing unit；PXI system data unit is responsible for
The real time data of the PXI system of storing data integral unit, and for database access unit, file distributing unit, path computation
Cell call updates real time data；Child servers control data cell: being responsible for the child servers control of storing data integral unit
The real time data of system, and for database access unit, file distributing unit, path computation cell call, update real time data；
Calculate the real-time number that channel data unit is responsible for storage, updates database access unit, file distributing unit, path computation unit
According to.
Wherein, database access unit is responsible for connection, setting and the closing and various retrievals and storage of database specially
Operation.It is called directly by primary server control unit；Desk-top instrument data acquisition unit is mainly responsible for parsing data acquisition session
Configuration, executes desk-top instrument collection process, and integration acquisition data and device Errors handle data；The acquisition of desk-top instrument data is single
Member carries out parallel drive to data acquisition instrument.
Wherein, in the case of file distributing unit is for guaranteeing primary server unit response real-time, according to setting timing point
Data are sent out to host computer and database.
Wherein, path computation unit is used for experiment calculation.Since the data in all channels are in test implementation procedure, need
The calculating for carrying out various complexity, can just obtain final result, it is therefore desirable to which path computation unit completes experiment calculation.
Wherein, Data Integration unit is used to upload to child servers unit by TCP the number of primary server control unit
It is updated into real time data library unit in corresponding data cell according to according to data format；Child servers unit is actively to main service
Device control unit uploads data, and the opportunity uploaded for primary server control unit is random, primary server control list
Member needs the data from PXI data acquisition unit and child servers control unit being integrated into real time data library unit respectively
In PXI system data unit and child servers control data cell.
Wherein, network client end unit: single from PXI data acquisition unit and child servers control for receiving, sending
The instruction and data of member.
Wherein, child servers unit includes several PXI data acquisition units and child servers control unit.PXI data are adopted
Collection unit be mainly responsible for completion and primary server unit network connection, receive acquisition control instruction and transmission configuration parameter,
Upload PXI instrument acquisition data etc..Analog input card in each PXI data acquisition unit carries out data in a parallel fashion and adopts
Collection；Each PXI data acquisition unit independent operating in a parallel fashion simultaneously, and pass through Data Integration unit and primary server list
Member carries out data interaction.
Wherein, child servers control unit independent operating is mainly responsible for network connection, receives electricity in each child servers
Source control instruction and configuration parameter receive related data, maintenance power supply connection status, six kinds of completion that primary server unit is sent
Control model executes and uploads related control data.Further, system has multiple child servers control units, every height clothes
Programmable power supply in device control unit of being engaged in presses certain quantity independent operating in a parallel fashion；Each child servers control simultaneously
Unit independent operating in a parallel fashion, and data interaction is carried out by Data Integration unit and primary server unit.Wherein, sub
Server control unit includes child servers administrative unit, control strategy unit, control execution unit, plant maintenance unit.
Wherein, child servers administrative unit is the core cell in child servers, be responsible for the sending and receiving of network instruction,
The transmitting of each unit instruction and data and the error handle at child servers end；Control strategy unit according to test specific requirements,
Suitable control model is selected from six kinds of control models, and carries out parameter configuration.Control execution unit is mainly responsible for parsing and matches
It sets, execute control algolithm, power supply is written and read and to error handle of power supply etc..Control execution unit is by child servers pipe
Reason unit is adjusted according to power supply number dynamic.Plant maintenance unit be mainly responsible for child servers end connection power supply status maintenance with
And the error handle of power failure.
The present invention can complete the concentration of 3500 channel data acquisition instrument devices, 2000 channel programmable power supplys within the desired time
Control, while it being able to satisfy the demand of different user, it is not high to new user trial skill requirement, simplify user's operation, greatly alleviates
The contradiction between heavy test mission that operator's quantity, experience are insufficient, improves the reliability of system.Currently, this
Invention is come into operation in certain ultra-large type space simulator, system run all right, is realizing that equipment operation is highly automated
While change, high reliability, the problem of testing crew shortage is effectively relieved, and reduce equipment to operator's professional knowledge
Horizontal dependence, achieves good using effect.The present invention is that space-environment facility increases added value, is promoted
The market competitiveness.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, simple be situated between will be made to attached drawing needed in the embodiment below
It continues.
Fig. 1 is the centralized control system structure chart for precision instrument in ultra-large type space simulator of the invention；
Fig. 2 is to count in real time in the centralized control system for precision instrument in ultra-large type space simulator of the invention
According to the structure chart of library unit；
Fig. 3 is the centralized control system child servers control unit for precision instrument in ultra-large type space simulator
Structure chart；
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments, these explanations are only exemplary
, it is no intended to it limits the scope of the invention.
Referring to attached drawing 1, Fig. 1 shows the concentration control for precision instrument in ultra-large type space simulator of the invention
System construction drawing processed；Wherein, system of the invention uses C/S structure, and primary server is located at equipment control room, for carrying out client
The work such as management, desk-top instrument data acquisition storage, control algolithm operation, the heat flux simulation at end；Child servers are located at equipment control
Between system, for work such as the acquisition of PXI instrument data, bottom control device drives；Client is located at control room or long-range, is used for people
The work such as machine interaction, test monitoring.
Specifically, of the invention be for the centralized control method of precision instrument in ultra-large type space simulator
System structure chart.System includes primary server unit (100), child servers unit (200), client unit (300).It is wherein described
Primary server unit (100): carry most crucial work in the present invention, is the interaction pivot of whole system instruction and data
Knob runs shape according to system resource occupancy situation and equipment in the concurrent multiple data processing units of instrument centralized control stage meeting
State situation makes multiple data processing units work in a manner of going here and there, combine parallel, while can also be by the number of all units
Summarize according to status information, therefore the Resources Management of primary server unit directly affects the performance of whole system.Main service
Device is two-node cluster hot backup mode, i.e., similarly configures two-server, and one is used as main website, and another is used as secondary station, main website
The normal work of server is completed, another synchronous, and when main station failure, secondary station takes over the work of main website, main website and pair
It stands interchangeable.This configures the reliability for the system that increases.Primary server unit (100) include primary server control unit (110),
Real time data library unit (120), database access unit (130), desk-top instrument data acquisition unit (140), data distribution list
First (150), path computation unit (160), Data Integration unit (170), network client end unit (180).All subelement roots
According to the scheduling of resource of primary server control unit (110), dependent instruction is executed parallel, and carries out the friendship of the data between each unit
Mutually, while between each unit in different times, there is also the modes serially executed instruction, i.e. primary server unit (100) Zhong Gezi
Unit executes instruction in such a way that serial parallel combines and carries out data interaction.
Primary server control unit 110: the core cell on primary server, be responsible for instruction send and receive, each unit
The transmitting of instruction and data and the error handle of primary server unit 100.
Real time data library unit 120: it in order to reduce the consumption of primary server element resources as far as possible, is individually opened in primary server
One piece of memory is warded off for storing real time data, i.e. real time data library unit 120.Each functional unit autonomous update memory is related
Data read related data from the memory, to reduce the duplication of data.Each memory headroom stores latest data.Number in real time
It include desk-top instrument data cell 121, PXI system data unit 122, child servers control data cell according to library unit 120
123, channel data unit 124 is calculated.As shown in Figure 2.
Desk-top instrument data cell 121: it is responsible for the real time data of storage desk-top instrument data acquisition unit 140, and for number
It called according to library access unit 130, file distributing unit 150, path computation unit 160, update real time data.
PXI system data unit 122: it is responsible for the real time data of the PXI system of storing data integral unit 170, and for number
It called according to library access unit 130, file distributing unit 150, path computation unit 160, update real time data.
Child servers control data cell 123: being responsible for the reality of the child servers control system of storing data integral unit 170
When data, and for database access unit 130, file distributing unit 150, path computation unit 160 call, update in real time number
According to.
It calculates channel data unit 124: being responsible for storage, update database access unit 130, file distributing unit 150, lead to
The real time data of road computing unit 160.
Database access unit 130: connection, setting and the closing and various retrievals and storage of database are responsible for specially
Operation.It is called directly by primary server control unit.
Desk-top instrument data acquisition unit 140: it is mainly responsible for parsing data acquisition session configuration, executes desk-top instrument acquisition
Process, integration acquisition data and device Errors processing etc..Desk-top instrument includes the data collecting instrument of the multiple models of multiple producers
Device is located at device context, since desk type data acquisition instrument quantity is more, in order to realize that rapid survey, desk-top instrument data are adopted
Collect unit 140 and parallel drive is carried out to data acquisition instrument.The data that the quantity and per thread of parallel thread are driven are adopted
The quantity for collecting instrument is finally obtained after the calculating of a large amount of data and test adjustment.
File distributing unit 150: primary server unit 100 is the instruction and data Central Terminal Station of whole system, need by
The data summarization of each remote unit is distributed to test monitoring unit to primary server unit 100, then by primary server unit 100
320 for showing analysis, while also needing test data and control data deposit database.The mesh of file distributing unit 150
Be guarantee primary server unit 100 respond real-time and reduce resource consumption under the premise of, according to setting timing distribution number
According to arrive host computer and database.
Path computation unit 160: in test implementation procedure, the calculated result by executing certain channels, the function are needed
It can be completed by path computation unit 160.
Data Integration unit 170: for child servers unit 200 is uploaded to primary server control unit 110 by TCP
Data updated into real time data library unit 120 in corresponding data cell according to data format.Due to child servers unit
200 actives upload data to primary server control unit 110, and the opportunity uploaded for primary server control unit 110 is
It is random, uncontrollable, it is therefore desirable to which that PXI data acquisition unit 210 and child servers will be come from by Data Integration unit 170
The data of control unit 220 are integrated into corresponding data sheet in real time data library unit 120 according to certain data format respectively
In member, i.e., in PXI system data unit 122 and child servers control data cell 123.
Network client end unit 180: single from PXI data acquisition unit 210 and child servers control for receiving, sending
The instruction and data of member 220.
Child servers unit 200: it is the core cell for controlling underlying device, is mainly responsible for bottom PXI data acquisition equipment
With the control of programmable power supply, and the data interaction with primary server unit 100.Child servers unit 200 includes that PXI data are adopted
Collect unit 210 and child servers control unit 220.
PXI data acquisition unit 210: independent operating is RT system on each PXI remote terminal.It is mainly responsible for completion
Network connection, the instruction of reception acquisition control and the configuration parameter sent, upload PXI instrument acquisition with primary server unit 100
Data etc..System has multiple PXI data acquisition units 210, and the analog input card in each PXI data acquisition unit 210 is with parallel
Mode carry out data acquisition；Each PXI data acquisition unit 210 independent operating in a parallel fashion simultaneously, and pass through data
Integral unit 170 and primary server unit 100 carry out data interaction.
Child servers control unit 220: independent operating is mainly responsible for network connection, receives electricity in each child servers
Source control instruction and configuration parameter receive related data (mainly including the collected number of desk-top instrument data acquisition unit 140
According to according to the instruction of network client end unit 180 by the collected data of PXI data acquisition unit 210), maintenance power supply connection
State, six kinds of control models execution of completion and upload related control data etc..System has multiple child servers control units
220, programmable power supply in each child servers control unit 220 is by certain quantity independent operating in a parallel fashion；Simultaneously
Each child servers control unit 220 independent operating in a parallel fashion, and pass through Data Integration unit 170 and primary server list
Member 100 carries out data interaction.The programmable power supply driven in the quantity of child servers control unit 220 and each unit
Quantity is finally obtained after the calculating of a large amount of data and test adjustment.Child servers control unit 220 includes sub-services
Device administrative unit 221, control strategy unit 222, control execution unit 223, plant maintenance unit 224.As shown in Figure 3.
Child servers administrative unit 221: being the core cell in child servers, be responsible for the sending and receiving of network instruction,
The transmitting of each unit instruction and data and the error handle at child servers end.
Control strategy unit 222: according to test specific requirements, selecting suitable control model from six kinds of control models,
And carry out parameter configuration.System configures the control model under six kinds of vacuum low-temperature environments at present, from now on can also be according to test need
It asks and increases new control model.
Control execution unit 223: it is mainly responsible for parsing configuration, control algolithm is executed, power supply is written and read and to electricity
The error handle etc. in source.223 quilt server admin unit 221 of control execution unit is adjusted according to power supply number dynamic.
Plant maintenance unit 224: the maintenance of child servers end connection power supply status and the mistake of power failure are mainly responsible for
Accidentally handle.
Rational management of the present invention and distribution resource, by using multi-threading parallel process, the side of adjustment data communication sequence
Formula improves the utilization rate of resource, in a relatively short period of time, to all types of precision instrument flexible configurations, in temperature-responsive large time delay
Vacuum low-temperature environment under, complete to improve the accurate thermometric and temperature control of testpieces the speed of data acquisition and circuit control
Degree, improves the adaptability and reliability of system.The data acquisition and nearly 2000 control on 3500 tunnels may be implemented in the present invention
The power supply in circuit controls, and is 2~4 times of previous equipment or more.
Although the detailed description and description of the specific embodiments of the present invention are given above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the concept of the present invention, and generated function is made
It, should all be within protection scope of the present invention when with the spirit still covered without departing from specification and attached drawing.
Claims (19)
1. for the centralized control system of precision instrument in ultra-large type space simulator, including primary server unit, sub- clothes
Business device unit, client unit, wherein the primary server unit can concurrent multiple data processings in the instrument centralized control stage
Unit makes multiple data processing units according to system resource occupancy situation and equipment running status situation to go here and there, combine parallel
Mode work, while the data of all units and status information can also be summarized, primary server is two-node cluster hot backup mode,
Two-server is similarly configured, one is used as main website, and another is used as secondary station, and main website completes the normal work of server
Make, another synchronous, and when main station failure, secondary station takes over the work of main website, and main website is interchangeable with secondary station；Child servers list
Member is the core cell for controlling underlying device, is mainly responsible for the control of bottom PXI data acquisition equipment and programmable power supply, Yi Jiyu
The data interaction of primary server unit；Wherein, client unit mainly carries out the interaction of data with primary server unit, user,
It is responsible for the user information for reading input, the operation for responding user, the every configuration data and parameter change for receiving user's input, and
Primary server unit is sent it to, the data that primary server unit returns and the display for carrying out user interface are read.
2. centralized control system as described in claim 1, wherein client unit includes man-machine interaction unit and test monitoring
Unit.
3. centralized control system as described in claim 1, wherein man-machine interaction unit major function is to carry out permission to user
Management, and system user instruction input is received using pilot pattern, all information needed to configure are prompted with dialog box,
Verifying current configuration information whether there is mistake, prompt mistake, can just carry out next step configuration after configuration is correct, to protect
Demonstrate,prove the integrality and correctness of configuration information.
4. centralized control system as described in claim 1, wherein test monitoring unit: major function is to run shape to system
State is monitored, and related data is exported in the form of table or figure.
5. centralized control system according to any one of claims 1-4, wherein primary server unit includes primary server control
Unit, real time data library unit, database access unit, desk-top instrument data acquisition unit, file distributing unit, path computation
Unit, Data Integration unit, network client end unit, wherein database access unit, desk-top instrument data acquisition unit, data
Dispatching Unit, path computation unit, Data Integration unit, network client end unit are parallel execution unit.
6. centralized control system according to any one of claims 1-4, wherein primary server control unit is as primary server
On core cell, be responsible for the sending and receiving of instruction, the mistake of the transmitting of each unit instruction and data and primary server unit
Accidentally handle.
7. centralized control system as claimed in claim 5, wherein real time data library unit individually opens up one piece in primary server
For memory for storing real time data, real time data library unit includes desk-top instrument data cell, PXI system data unit, sub- clothes
Business device control data cell calculates channel data unit.
8. centralized control system as claimed in claim 5, wherein desk-top instrument data cell is responsible for storing desk-top instrument data
The real time data of acquisition unit, and it is real-time for database access unit, file distributing unit, path computation cell call, update
Data；PXI system data unit is responsible for the real time data of the PXI system of storing data integral unit, and for database access list
Member, path computation cell call, updates real time data at file distributing unit；Child servers control data cell: being responsible for storage number
It is counted according to the real time data of the child servers control system of integral unit, and for database access unit, file distributing unit, channel
It calculates cell call, update real time data；Channel data unit is calculated to be responsible for storage, update database access unit, data distribution
The real time data of unit, path computation unit.
9. centralized control system as claimed in claim 5, wherein database access unit be responsible for specially database connection,
Setting and closing and various retrievals and storage operation；It is called directly by primary server control unit；The acquisition of desk-top instrument data
Unit is mainly responsible for parsing data acquisition session configuration, executes desk-top instrument collection process, and integration acquisition data and equipment are wrong
Accidentally processing data；Desk-top instrument data acquisition unit carries out parallel drive to data acquisition instrument.
10. centralized control system as claimed in claim 5, wherein file distributing unit is for guaranteeing that primary server unit is rung
In the case of answering real-time, according to setting timing distribution data to host computer and database；Path computation unit was executed in test
Cheng Zhong needs to carry out various calculating to the data in certain channels, obtains calculated result.
11. centralized control system as claimed in claim 5, wherein Data Integration unit is used to pass through child servers unit
The data that TCP uploads to primary server control unit update the corresponding data sheet into real time data library unit according to data format
In member；Child servers unit actively uploads data to primary server control unit, uploads for primary server control unit
Opportunity be it is random, primary server control unit needs will be from PXI data acquisition unit and child servers control unit
Data are integrated into respectively in the PXI system data unit and child servers control data cell of real time data library unit.
12. centralized control system as claimed in claim 5, wherein network client end unit: for receiving, sending from PXI
The instruction and data of data acquisition unit and child servers control unit.
13. centralized control system as claimed in claim 12, wherein child servers unit includes that several PXI data acquisitions are single
Member and child servers control unit.
14. centralized control system as claimed in claim 13, wherein PXI data acquisition unit is mainly responsible for completion and main clothes
The network connection of business device unit receives acquisition control instruction and the configuration parameter sent, uploads PXI instrument acquisition data；Each
Analog input card in PXI data acquisition unit carries out data acquisition in a parallel fashion；Simultaneously each PXI data acquisition unit with
Parallel form independent operating, and data interaction is carried out by Data Integration unit and primary server unit.
15. centralized control system as claimed in claim 13, wherein child servers control unit independent operating takes in each height
It is engaged on device, is mainly responsible for network connection, reception power supply control instruction and configuration parameter, receives the related of primary server unit transmission
Data, maintenance power supply connection status complete six kinds of control models execution and upload related control data.
16. centralized control system as described in claim 1, wherein system has multiple child servers control units, every height clothes
Programmable power supply in device control unit of being engaged in presses certain quantity independent operating in a parallel fashion；Each child servers control simultaneously
Unit independent operating in a parallel fashion, and data interaction is carried out by Data Integration unit and primary server unit.
17. centralized control system as claimed in claim 16, wherein child servers control unit includes that child servers management is single
Member, control strategy unit, control execution unit, plant maintenance unit.
18. centralized control system as claimed in claim 17, wherein child servers administrative unit is the core in child servers
Unit is responsible for the error handle at the sending and receiving of network instruction, the transmitting of each unit instruction and data and child servers end；
Control strategy unit selects suitable control model, and carry out parameter and match according to test specific requirements from six kinds of control models
It sets.
19. centralized control system as claimed in claim 17, wherein control execution unit is mainly responsible for parsing configuration, executes
Control algolithm is written and read power supply and to the error handle of power supply.
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