CN115790944A - Test early warning method and system for linear motor thrust testing machine - Google Patents
Test early warning method and system for linear motor thrust testing machine Download PDFInfo
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Abstract
The invention provides a test early warning method and a test early warning system for a linear motor thrust test machine, which relate to the technical field of data processing. The technical problems that in the prior art, the safety of a quality testing process of the linear motor is low, the reliability of a testing result is low, and the subsequent use performance of the linear motor is influenced by testing are solved. The technical effects that the quality early warning monitoring guarantee is achieved in the whole process of testing the linear motor, and the safety of performance testing of the linear motor and the accuracy of a quality detection result are improved are achieved.
Description
Technical Field
The invention relates to the technical field of data processing, in particular to a test early warning method and system for a linear motor thrust tester.
Background
The linear motor has the advantage of directly converting electric energy into linear motion mechanical energy without an intermediate conversion mechanism, so that the linear motor is widely applied, and the advantages of performance in equipment with higher control precision requirements, such as a feeding system of a numerical control machine tool, and the like, can be fully exerted.
While the linear motor has performance advantages, the testing method for testing the performance quality of the linear motor in the prior art is rough, and short boards still exist in the early warning guarantee of the test operation safety of the linear motor in the performance quality testing process, so that the risk of damage of the linear motor to equipment caused by the performance quality testing of the linear motor exists.
The technical problems that the safety of the quality testing process of the linear motor is low, the reliability of the testing result is low, and the subsequent use performance of the linear motor is influenced by testing exist in the prior art.
Disclosure of Invention
The application provides a test early warning method and a test early warning system for a linear motor thrust test machine, which are used for solving the technical problems that in the prior art, the safety of a quality test process of a linear motor is low, the reliability of a test result is low, and the subsequent use performance of the linear motor is influenced by testing.
In view of the above problems, the present application provides a test early warning method and system for a linear motor thrust tester.
In a first aspect of the present application, a test early warning method for a linear motor thrust tester is provided, where the method includes: acquiring basic information of a tested linear motor; matching a test scheme set according to the basic information, and generating a corresponding stop threshold value of the test scheme set according to the basic information; carrying out thrust test on the tested linear motor through the test scheme set, and reading input data of the tested linear motor in real time through an input reading device; acquiring output signals of the testing linear motor through the sensing testing module to obtain output signal data; judging whether the output signal data has an output value meeting the corresponding stop threshold value, and generating stop early warning information when the output signal data has the output value meeting the corresponding stop threshold value; performing output signal stability analysis on the output signal data, performing stability analysis result compensation through the input data, and generating stability early warning information according to a compensation result; and carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information.
In a second aspect of the present application, a test early warning system for a linear motor thrust tester is provided, the system includes: the motor information acquisition module is used for acquiring and obtaining basic information of the tested linear motor; the stopping threshold setting module is used for matching a test scheme set according to the basic information and generating a corresponding stopping threshold of the test scheme set according to the basic information; the thrust test execution module is used for performing thrust test on the test linear motor through the test scheme set and reading input data of the test linear motor in real time through an input reading device; the output signal acquisition module is used for acquiring the output signal of the testing linear motor through the sensing testing module to obtain output signal data; a stop early warning generation module, configured to determine whether the output signal data has an output value that satisfies the corresponding stop threshold, and generate stop early warning information when the output signal data has an output value that satisfies the corresponding stop threshold; the output signal analysis module is used for carrying out output signal stability analysis on the output signal data, compensating a stability analysis result through the input data and generating stability early warning information according to a compensation result; and the test early warning management module is used for carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
according to the method provided by the embodiment of the application, the basic motor information of the tested linear motor is acquired, and a scheme acquisition reference is provided for the determination of a subsequent testing scheme set; matching a test scheme set according to the basic information, and generating a corresponding stop threshold of the test scheme set according to the basic information, wherein the corresponding stop threshold realizes reduction of the probability of damage risk of the test linear motor caused by the test process; carrying out thrust test on the tested linear motor through the test scheme set, and reading input data of the tested linear motor in real time through an input reading device; acquiring output signals of the testing linear motor through the sensing testing module to obtain output signal data; judging whether the output signal data has an output value meeting the corresponding stop threshold value, and generating stop early warning information when the output signal data has the output value meeting the corresponding stop threshold value; the output signal stability analysis is carried out on the output signal data, the stability analysis result is compensated through the input data, and the stability early warning information is generated according to the compensation result, so that the technical purpose of avoiding that the output thrust fluctuation of the test linear motor caused by the random external voltage and current change is mistaken for the fault of the test linear motor is realized; and carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information. The technical effects that the whole process of testing the linear motor has early warning and monitoring guarantee of testing quality, and the safety of performance testing of the linear motor and the accuracy of a quality detection result are improved are achieved.
Drawings
Fig. 1 is a schematic flow chart of a test early warning method for a linear motor thrust testing machine according to the present application;
fig. 2 is a diagram illustrating a test early warning method for a thrust testing machine of a linear motor according to the present application. Obtaining a flow diagram of a stability analysis result;
fig. 3 is a schematic flow chart illustrating the process of obtaining stability warning information in the test warning method for the linear motor thrust testing machine according to the present application;
fig. 4 is a schematic structural diagram of a test early warning system of a linear motor thrust testing machine according to the present application.
Description of reference numerals: the device comprises a motor information acquisition module 11, a stop threshold setting module 12, a thrust test execution module 13, an output signal acquisition module 14, a stop early warning generation module 15, an output signal analysis module 16 and a test early warning management module 17.
Detailed Description
The application provides a test early warning method and a test early warning system for a linear motor thrust test machine, which are used for solving the technical problems that in the prior art, the safety of a quality test process of a linear motor is low, the reliability of a test result is low, and the subsequent use performance of the linear motor is influenced by testing. The technical effects that the whole process of testing the linear motor has early warning and monitoring guarantee of testing quality, and the safety of performance testing of the linear motor and the accuracy of a quality detection result are improved are achieved.
In the technical scheme of the invention, the data acquisition, storage, use, processing and the like all conform to relevant regulations of national laws and regulations.
In the following, the technical solutions in the present invention will be clearly and completely described with reference to the accompanying drawings, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments of the present invention, and it should be understood that the present invention is not limited by the example embodiments described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
Example one
As shown in fig. 1, the present application provides a test early warning method for a linear motor thrust testing machine, where the method is applied to a test early warning system, the test early warning system is in communication connection with an input reading device and a sensing test module, and the method includes:
s100, acquiring basic information of the tested linear motor;
specifically, the linear motor is a transmission device which directly converts electric energy into linear motion mechanical energy without an intermediate conversion mechanism, the test linear motor is a linear motor of any specification with an unknown fault state, and in this embodiment, technical parameter threshold information of a plurality of test linear motors including, but not limited to, an operating voltage threshold, an operating current threshold, an operating thrust threshold, a rated power and the like is obtained based on a nameplate or specification of the test linear motor.
S200, matching a test scheme set according to the basic information, and generating a corresponding stop threshold value of the test scheme set according to the basic information;
specifically, it should be understood that the test linear motor is a linear motor product produced in a production line in a batch manner, and therefore in this embodiment, historical test data of linear motors of the same specification as the test linear motor is obtained based on big data matching to generate a test scheme set, where the test scheme set is formed by forming a test scheme by multiple groups of different technical parameters.
In this embodiment, the basic information is an adjustable interval of each technical parameter under a normal operation condition of the testing linear motor, so that in this embodiment, critical temperature and critical thrust data of the testing linear motor, which have an operation fault, are obtained based on the basic information analysis, and are used as the corresponding stop threshold for determining whether each testing scheme in the testing scheme set can be continuously performed, where the corresponding stop threshold is used to ensure that the testing behavior of the testing linear motor is not damaged.
S300, performing thrust test on the tested linear motor through the test scheme set, and reading input data of the tested linear motor in real time through an input reading device;
specifically, in this embodiment, the technical parameters of the test linear motor are adjusted by sequentially adopting a test scheme composed of a plurality of technical parameters in the test scheme set, and the thrust test is performed based on the test linear motor after the technical parameters are adjusted. The input data are technical parameters actually connected to the testing linear motor in the running testing process of the testing linear motor, and the technical parameters comprise input current, input voltage and the like.
It should be understood that, in the process of controlling the operation of the testing linear motor by using technical parameters such as voltage and current in the testing scheme, the phenomenon that the technical parameters actually applied to the testing linear motor and the technical parameter data defined by the testing scheme are not necessary due to unstable supply of external voltage and current exists, and the actual thrust testing result of the testing linear motor is not obtained based on the technical parameters of the testing scheme, so that the defect of technical parameter control is mistakenly considered as the defect of the fault of the testing linear motor device.
Therefore, in this embodiment, a plurality of input reading devices for monitoring technical parameters of the testing linear motor are provided in the testing linear motor, and are used for reading the input data actually controlling the operation of the testing linear motor in real time in the testing process of the testing linear motor based on a certain testing scheme.
S400, acquiring output signals of the tested linear motor through the sensing test module to obtain output signal data;
specifically, in the present embodiment, the output signal data is motor operation data of the test linear motor under control based on different technical parameters, and exemplary output signal data includes, but is not limited to, thrust data, operation speed data, motor temperature data, and mechanical output power data. The sensing test module is a comprehensive function test data acquisition module consisting of a temperature test module, a speed test module and a plurality of functional modules.
In this embodiment, the sensing test module is used to collect output signals of the linear motor to generate the output signal data, and the output signal data is used to extract partial data from the output signal data to determine whether to stop the current test scheme.
S500, judging whether the output signal data has an output value meeting the corresponding stop threshold value, and generating stop early warning information when the output signal data has the output value meeting the corresponding stop threshold value;
specifically, in this embodiment, the output signal data is traversed based on the corresponding stop threshold, the output signal data having consistency with the data unit in the corresponding stop threshold is obtained, and is used as comparison data for judging whether the output signal data has an output value meeting the corresponding stop threshold, when the output signal data has an output value meeting the corresponding stop threshold, it is indicated that the risk of damage to the test linear motor exists when the current test scheme is continuously executed, so that stop warning information is generated, execution of the test scheme is stopped, and it is ensured that the test scheme execution behavior only judges whether the test linear motor unit has an equipment fault without causing irreversible damage to the test linear motor.
S600, performing output signal stability analysis on the output signal data, performing stability analysis result compensation through the input data, and generating stability early warning information according to the compensation result;
specifically, in this embodiment, the output thrust data of the test linear motor is acquired based on the output signal data, and the stability analysis of the output signal is completed based on the fluctuation condition of the output thrust data of the test linear motor with time. Furthermore, technical parameter data based on actual access to the tested linear motor are provided by external current and voltage, and the defect that the output stability analysis result of the tested linear motor deviates from the actual result due to difference of the input data actually controlling the operation of the tested linear motor from the technical parameter data actually set by the testing scheme exists.
The embodiment compares the input data with the set technical parameters of the test scheme to obtain deviation compensation parameters, compensates the stability analysis result, and generates the stability early warning information truly reflecting the thrust fluctuation condition caused by the self fault of the test linear motor according to the compensation result.
And S700, carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information.
Further, the method provided by the present application further includes:
s710, carrying out frequency statistics on the stop early warning information, and carrying out data identification on input data corresponding to the stop early warning information;
and S720, outputting a quality detection result of the tested linear motor according to the stop early warning information and the data identification.
Specifically, in this embodiment, the frequency statistics of the stop early warning information is recorded when the stop early warning information occurs in the whole process of testing the linear motor based on the test scheme set. And performing data identification on input data corresponding to the stop early warning information, outputting a quality detection result of the tested linear motor according to the stop early warning information, the data identification and the stability early warning information, and performing test early warning management on the tested linear motor based on the quality detection result.
According to the method, the technical parameters for controlling the operation of the linear motor to be tested are set through constructing the test scheme set to test the linear motor, the stability of the output thrust of the linear motor to be tested is analyzed based on the test result, and the comprehensive test evaluation of the linear motor to be tested is carried out by combining the frequency that the linear motor to be tested reaches the stop early warning information in the test process, so that the multidimensional test linear motor operation data are provided for test technicians of the linear motor, the fault condition of the linear motor to be tested is conveniently referred to, and the technical effect that the linear motor equipment is prevented from being damaged due to the test behavior is achieved.
The method provided by the embodiment acquires the motor basic information of the tested linear motor by collection, and provides scheme acquisition reference for the subsequent determination of the test scheme set; matching a test scheme set according to the basic information, and generating a corresponding stop threshold of the test scheme set according to the basic information, wherein the corresponding stop threshold realizes the reduction of the probability of damage risk of the test linear motor caused by the test process; carrying out thrust test on the tested linear motor through the test scheme set, and reading input data of the tested linear motor in real time through an input reading device; acquiring output signals of the testing linear motor through the sensing testing module to obtain output signal data; judging whether the output signal data has an output value meeting the corresponding stop threshold value, and generating stop early warning information when the output signal data has the output value meeting the corresponding stop threshold value; the output signal stability analysis is carried out on the output signal data, the stability analysis result is compensated through the input data, and the stability early warning information is generated according to the compensation result, so that the technical purpose of avoiding that the output thrust fluctuation of the test linear motor caused by the random external voltage and current change is mistaken for the fault of the test linear motor is realized; and carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information. The technical effects that the whole process of testing the linear motor has early warning and monitoring guarantee of testing quality, and the safety of performance testing of the linear motor and the accuracy of a quality detection result are improved are achieved.
Further, as shown in fig. 2, the method provided by the present application further includes:
s610, obtaining output thrust test data according to the output signal data;
s620, carrying out data classification on the output thrust test data to obtain fixed thrust test data and variable thrust test data;
and S630, performing data fluctuation analysis on the fixed thrust test data and the variable thrust test data respectively, and obtaining the stability analysis result according to the data fluctuation analysis result.
Specifically, the output signal data is motor operation data of the test linear motor under control of different technical parameters, including but not limited to thrust data, operation speed data, motor temperature data and mechanical output power data. In this embodiment, the output thrust test data reflecting the thrust of the test motor is extracted and obtained based on the output signal data.
It should be understood that, in the set of test schemes described in the present embodiment, both the test scheme that includes controlling the test linear motor to output a constant thrust and the test scheme that includes controlling the test linear motor to output a dynamically changing thrust.
And classifying data according to the test scheme corresponding to the output thrust test data to obtain fixed thrust test data and variable thrust test data, wherein the fixed thrust test data are thrust data actually output by the test linear motor under the condition that a plurality of technical parameter data for controlling the test linear motor to operate in the test scheme are constant, and the dynamic thrust test data are thrust data actually output by the test linear motor under the condition that a plurality of technical parameter data for controlling the test linear motor to operate in the test scheme are dynamically changed.
And carrying out data fluctuation analysis on the fixed thrust test data, carrying out real-time acquisition on the output signals of the test linear motor through a sensing test module, obtaining real-time output signal data, extracting to obtain a real-time fixed thrust test data set, obtaining a force variation curve of the fixed thrust test data through data imaging processing, and obtaining a fixed thrust test data fluctuation analysis result according to the force variation curve fluctuation condition of the fixed thrust test data.
And carrying out data fluctuation analysis on the dynamic thrust test data, carrying out real-time acquisition on output signals of the test linear motor through a sensing test module, obtaining real-time output signal data, extracting to obtain a real-time understanding thrust test data set, and obtaining a time-varying dynamic thrust test data image through data imaging processing. Acquiring a test scheme corresponding to the dynamic thrust test, acquiring change information of a plurality of technical parameters based on the test scheme to perform image change of the technical parameters along with time, deducing that the time of the image change of the test data along with time is consistent with the time of the image change of the technical parameters along with time, and performing consistency analysis on the image change of the reasoning test data along with time and the image change of the technical parameters along with time to obtain a fluctuation analysis result of the dynamic thrust test data.
And forming a data fluctuation analysis result by using the fixed thrust test data fluctuation analysis result and the variable thrust test data fluctuation analysis result, and generating the stability analysis result based on the data fluctuation analysis result.
According to the embodiment, the running data of the linear motor to be tested under different test schemes is collected and analyzed, so that whether the running of the linear motor to be tested is stable or not is accurately analyzed and judged, and therefore whether the fault of the linear motor to be tested exists or not is judged, and the technical effect of improving the fault early warning accuracy is achieved.
Further, the method provided by the present application further includes:
s640, performing fluctuation node extraction on the fixed thrust test data to obtain a fluctuation node extraction result;
s650, judging whether the input data has the same fluctuation node as the fluctuation node extraction result;
s660, when the same fluctuation node exists, the same fluctuation node in the fluctuation node extraction result is removed, and a fluctuation node set after removal is obtained;
and S670, obtaining the stability early warning information according to the fluctuation node set.
Specifically, in this embodiment, a force variation curve of the fixed thrust is drawn based on the fixed thrust test data, and the fixed thrust test data is subjected to the wave node extraction based on the force variation curve to obtain a wave node extraction result, where the wave node extraction result has a time identifier and a thrust data identifier.
Judging whether a fluctuation node which is the same as the time identification of the fluctuation node extraction result exists in the input data, and when the same fluctuation node exists, indicating that the thrust fluctuation generated by the fluctuation node extraction result is not caused by the self fault of the test linear motor equipment, but is caused by the random fluctuation of the external voltage current for controlling the operation of the test linear motor, thus eliminating the same fluctuation node in the fluctuation node extraction result, obtaining an eliminated fluctuation node set, and carrying out the fluctuation node evaluation according to the fluctuation node set to obtain the stability early warning information.
In the embodiment, the fluctuation node in the fixed thrust test data is obtained, the input data consistent with the node time identification is obtained, and the consistency judgment of the input data fluctuation and the fluctuation node fluctuation time is carried out, so that the technical effects of eliminating the random phenomenon that the output fixed thrust of the test linear motor is mistakenly judged as the event that the test linear motor has equipment faults due to the random fluctuation of the actual technical parameters for controlling the test linear motor are achieved, and the early warning accuracy of the fault test of the linear motor is improved.
Further, as shown in fig. 3, the method provided by the present application further includes:
s661, obtaining the node quantity data of the fluctuation node set;
s662, obtaining the fluctuation value data of each node according to the fluctuation node set;
s663, performing abnormal node fitting according to the node quantity data and the fluctuation value data to generate abnormal node time points and node fluctuation values;
and S664, obtaining the stability early warning information according to the abnormal node time point and the node fluctuation value.
Specifically, the method for generating the stability warning information in this embodiment is to generate a corresponding force variation curve based on the thrust test data, and obtain the fluctuation node set and fluctuation node quantity data in the fluctuation node set based on the force variation curve image.
And obtaining force change fluctuation value data of each node in a force change curve according to the fluctuation node set, and performing abnormal node fitting according to the node quantity data and the fluctuation value data to obtain an abnormal node time point and a force change node fluctuation value of each fluctuation node.
And evaluating force change fluctuation frequency according to the abnormal node time point, evaluating force change fluctuation intensity according to the node fluctuation value, and generating the stability early warning information based on the force change fluctuation frequency evaluation and the force change fluctuation intensity evaluation.
According to the embodiment, the thrust test data is obtained to draw the force change curve, each force change fluctuation time node and each force change fluctuation value are obtained to evaluate the output thrust fluctuation frequency and the fluctuation intensity of the test linear motor, the stability evaluation of the output thrust of the test linear motor is achieved in a multidimensional way, technicians can visually know the operation stability state of the test linear motor, and therefore the technical effects of the operation stability evaluation and the fault condition evaluation of the test linear motor are correspondingly achieved.
Further, the method provided by the present application further includes:
s631, drawing a force change curve of the variable thrust according to the variable thrust test data;
s632, obtaining input electrical data corresponding to the variable thrust test data, and obtaining a growth scale factor based on the input electrical data;
s633, evaluating the force change of the force change curve through the growth scale factor to obtain a deviation evaluation result;
and S634, obtaining the stability analysis result according to the deviation evaluation result.
Specifically, in this embodiment, the variable thrust test data is obtained by acquiring output signals of the test linear motor in real time based on the sensing test module to obtain output signal data, and extracting the output signal data, so that the variable thrust data is obtained by outputting thrust data of a plurality of test linear motors which change in real time, drawing a force variation curve of the variable thrust according to the variable thrust test data, and obtaining a force variation trend parameter based on the force variation curve.
And acquiring input electrical data corresponding to the variable thrust test data, namely actually controlling a plurality of technical index parameters of the operation of the tested linear motor, such as external current and external voltage. And drawing an input electrical data change curve based on the input electrical data, and obtaining an increase scale factor based on the input electrical data change curve, wherein the increase scale factor is an input electrical data change trend parameter.
And comparing the electric data change trend parameter of the growth scale factor with the force change trend parameter of the force change curve to evaluate the force change of the output thrust of the test linear motor, obtaining the deviation evaluation result of the deviation degree of the reaction force change curve and the input electric data change, and obtaining the stability analysis result according to the deviation evaluation result.
In the embodiment, based on the characteristic that the output thrust dynamic change of the test linear motor theoretically changes with the characteristic that the input electrical data for controlling the operation of the test linear motor changes, the deviation condition of the output thrust change and the input electrical data of the actual test linear motor is obtained by comparison, so that the performance analysis result of accurately acquiring the stability of the output thrust of the test linear motor is achieved, and a technical effect that a technician can visually acquire the operation fault condition of the test linear motor is facilitated.
Further, the method provided by the present application further includes:
s110, when the task of the testing linear motor is switched, temperature data are obtained through the sensing testing module;
s120, judging whether the temperature data meets a task switching temperature threshold value;
and S130, when the temperature data do not meet the task switching temperature threshold, not allowing the task switching test to be executed.
Specifically, in this embodiment, if and only after the testing linear motors complete all the testing solutions in the testing solution set, it can be determined whether there is an equipment fault in most of the testing linear motors. It should be understood that, in the operation process of the testing linear motor based on the index parameters set by the testing scheme, there is a physical phenomenon that the temperature of the testing linear motor rises. If the testing is continued in the next testing scheme, the risk that the temperature of the linear motor which is remained in the previous testing affects the accuracy of the testing result exists.
Therefore, in order to ensure that the accuracy of the test result of the next test task is not affected by the previous test task in the multiple-round execution process of the test scheme, in this embodiment, a task switching temperature threshold is set for judging whether to adjust the technical parameters to perform the fault test of the linear motor. For example, the switching temperature threshold may be set to a room temperature or an average operating temperature of the test linear motor.
When the execution of the previous test scheme is finished and the test linear motor carries out task switching to carry out the test of the next test scheme, the temperature data of the test linear motor is obtained through the sensing test module, and whether the temperature data meet a task switching temperature threshold value or not is judged; and when the temperature data does not meet the task switching temperature threshold, not allowing the task switching test to be executed.
According to the method, the task switching execution judgment is carried out when the plurality of groups of test schemes are switched to execute the operation fault test of the linear motor, the technical effect that the reversible physical change of the linear motor to be tested caused by the previous test task does not interfere with the accuracy of the test result of the subsequent test task is achieved, and the technical effect of testing the fault test accuracy of the linear motor is indirectly guaranteed.
Example two
Based on the same inventive concept as the test early warning method of the linear motor thrust tester in the foregoing embodiment, as shown in fig. 4, the present application provides a test early warning system of the linear motor thrust tester, wherein the system includes:
the motor information acquisition module 11 is used for acquiring and obtaining basic information of the tested linear motor;
a stop threshold setting module 12, configured to match a test scheme set according to the basic information, and generate a corresponding stop threshold of the test scheme set according to the basic information;
the thrust test execution module 13 is configured to perform a thrust test on the test linear motor through the test scheme set, and read input data of the test linear motor in real time through an input reading device;
the output signal acquisition module 14 is used for acquiring the output signal of the testing linear motor through the sensing testing module to obtain output signal data;
a stop early warning generation module 15, configured to determine whether the output signal data has an output value that meets the corresponding stop threshold, and generate stop early warning information when the output signal data has an output value that meets the corresponding stop threshold;
the output signal analysis module 16 is configured to perform output signal stability analysis on the output signal data, perform stability analysis result compensation on the input data, and generate stability early warning information according to a compensation result;
and the test early warning management module 17 is used for carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information.
Further, the output signal analyzing module 16 further includes:
the output signal analysis unit is used for obtaining output thrust test data according to the output signal data;
the test data obtaining unit is used for carrying out data classification on the output thrust test data to obtain fixed thrust test data and variable thrust test data;
and the analysis result obtaining unit is used for respectively carrying out data fluctuation analysis on the fixed thrust test data and the variable thrust test data and obtaining the stability analysis result according to the data fluctuation analysis result.
Further, the output signal analyzing module 16 further includes:
the fluctuating node extraction unit is used for performing fluctuating node extraction on the fixed thrust test data to obtain a fluctuating node extraction result;
an input data judgment unit for judging whether the input data has the same fluctuation node as the fluctuation node extraction result;
the fluctuation node removing unit is used for removing the same fluctuation nodes in the fluctuation node extraction result to obtain a removed fluctuation node set when the same fluctuation nodes exist;
and the fluctuation node analysis unit is used for obtaining the stability early warning information according to the fluctuation node set.
Further, the fluctuating node rejecting unit further includes:
a node number obtaining unit, configured to obtain node number data of the fluctuating node set;
the node fluctuation acquisition unit is used for acquiring fluctuation value data of each node according to the fluctuation node set;
the abnormal node fitting unit is used for performing abnormal node fitting according to the node quantity data and the fluctuation value data to generate an abnormal node time point and a node fluctuation value;
and the early warning information generating unit is used for acquiring the stability early warning information according to the abnormal node time point and the node fluctuation value.
Further, the analysis result obtaining unit further includes:
the force variation curve drawing unit is used for drawing a force variation curve of the variable thrust according to the variable thrust test data;
the input point data obtaining unit is used for obtaining input electric data corresponding to the variable thrust test data and obtaining a growth scale factor based on the input electric data;
the deviation evaluation output unit is used for evaluating the force change of the force change curve through the growth scale factor to obtain a deviation evaluation result;
and the analysis result generation unit is used for obtaining the stability analysis result according to the deviation evaluation result.
Further, the test and early warning management module 17 further includes:
the data identification execution unit is used for carrying out frequency statistics on the stop early warning information and carrying out data identification on input data corresponding to the stop early warning information;
and the quality test execution unit is used for outputting a quality detection result of the tested linear motor according to the stop early warning information and the data identification.
Further, the motor information collecting module 11 further includes:
the temperature data testing unit is used for obtaining temperature data through the sensing testing module when the testing linear motor performs task switching;
the temperature data judging unit is used for judging whether the temperature data meets a task switching temperature threshold value or not;
and the judgment result execution unit is used for not allowing the task switching test to be executed when the temperature data does not meet the task switching temperature threshold value.
Any of the methods or steps described above may be stored as computer instructions or programs in various non-limiting types of computer memory that are recognized by various non-limiting types of computer processors to implement any of the methods or steps described above.
Based on the above embodiments of the present invention, those skilled in the art should make any improvements and modifications to the present invention without departing from the principle of the present invention, and therefore, the present invention should fall into the protection scope of the present invention.
Claims (8)
1. A test early warning method for a linear motor thrust testing machine is characterized in that the method is applied to a test early warning system, the test early warning system is in communication connection with an input reading device and a sensing testing module, and the method comprises the following steps:
acquiring basic information of a tested linear motor;
matching a test scheme set according to the basic information, and generating a corresponding stop threshold value of the test scheme set according to the basic information;
carrying out thrust test on the tested linear motor through the test scheme set, and reading input data of the tested linear motor in real time through an input reading device;
acquiring output signals of the testing linear motor through the sensing testing module to obtain output signal data;
judging whether the output signal data has an output value meeting the corresponding stop threshold value, and generating stop early warning information when the output signal data has the output value meeting the corresponding stop threshold value;
performing output signal stability analysis on the output signal data, performing stability analysis result compensation through the input data, and generating stability early warning information according to a compensation result;
and carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information.
2. The method of claim 1, wherein the method comprises:
obtaining output thrust test data according to the output signal data;
carrying out data classification on the output thrust test data to obtain fixed thrust test data and variable thrust test data;
and respectively carrying out data fluctuation analysis on the fixed thrust test data and the variable thrust test data, and obtaining the stability analysis result according to the data fluctuation analysis result.
3. The method of claim 2, wherein the method comprises:
performing fluctuation node extraction on the fixed thrust test data to obtain a fluctuation node extraction result;
judging whether the input data has the same fluctuation node as the fluctuation node extraction result or not;
when the same fluctuation node exists, the same fluctuation node in the fluctuation node extraction result is removed, and a fluctuation node set after removal is obtained;
and obtaining the stability early warning information according to the fluctuation node set.
4. The method of claim 3, wherein the method comprises:
obtaining node quantity data of the fluctuation node set;
obtaining fluctuation value data of each node according to the fluctuation node set;
performing abnormal node fitting according to the node quantity data and the fluctuation value data to generate an abnormal node time point and a node fluctuation value;
and obtaining the stability early warning information according to the abnormal node time point and the node fluctuation value.
5. The method of claim 2, wherein the method comprises:
drawing a force change curve of the variable thrust according to the variable thrust test data;
obtaining input electrical data corresponding to the variable thrust test data, and obtaining a growth scale factor based on the input electrical data;
evaluating the force change of the force change curve through the growth scale factor to obtain a deviation evaluation result;
and obtaining the stability analysis result according to the deviation evaluation result.
6. The method of claim 1, wherein the method comprises:
counting the frequency of the stop early warning information, and performing data identification on input data corresponding to the stop early warning information;
and outputting a quality detection result of the tested linear motor according to the stop early warning information and the data identification.
7. The method of claim 1, wherein the method comprises:
when the testing linear motor carries out task switching, temperature data are obtained through the sensing testing module;
judging whether the temperature data meets a task switching temperature threshold value;
and when the temperature data does not meet the task switching temperature threshold, not allowing the task switching test to be executed.
8. The utility model provides a linear electric motor thrust test machine test early warning system which characterized in that, the system includes:
the motor information acquisition module is used for acquiring and obtaining basic information of the tested linear motor;
the stopping threshold setting module is used for matching a test scheme set according to the basic information and generating a corresponding stopping threshold of the test scheme set according to the basic information;
the thrust test execution module is used for performing thrust test on the test linear motor through the test scheme set and reading input data of the test linear motor in real time through an input reading device;
the output signal acquisition module is used for acquiring the output signal of the test linear motor through the sensing test module to obtain output signal data;
a stop early warning generation module, configured to determine whether the output signal data has an output value that satisfies the corresponding stop threshold, and generate stop early warning information when the output signal data has an output value that satisfies the corresponding stop threshold;
the output signal analysis module is used for carrying out output signal stability analysis on the output signal data, compensating a stability analysis result through the input data and generating stability early warning information according to a compensation result;
and the test early warning management module is used for carrying out test early warning management on the test linear motor through the stop early warning information and the stability early warning information.
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