CN117387925A - Damper performance continuous test method and system - Google Patents
Damper performance continuous test method and system Download PDFInfo
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- G01M13/00—Testing of machine parts
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Abstract
The invention relates to the technical field of damper testing, in particular to a method and a system for continuously testing the performance of a damper. The scheme includes setting specific test items and numbering each type of item; setting a comprehensive test system structure, and at least comprising a damper monitoring sensor and environment preparation equipment of the damper; forming an estimated time required by the corresponding test of each test number under each state; acquiring average preparation time of switching between different types of tests in all historical data; setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequences to be tested as a test sequence; and testing all dampers according to the testing sequence, and processing the abnormality according to a preset rule when the abnormality occurs. According to the scheme, through a self-adaptive adjustment test flow, a fast self-adaptive test mode of the damper is realized, and efficient and fast performance test is realized.
Description
Technical Field
The invention relates to the technical field of damper testing, in particular to a method and a system for continuously testing the performance of a damper.
Background
The dampers are installed in various devices for production and life, a plurality of dampers are also installed in some devices, the types of the dampers installed at different positions can be different, the situation of installation errors can occur in the actual assembly process, if the dampers are installed in defects, the product parts are not adapted, the assembly errors can not be caused, the noise can not be effectively reduced, and the quality problems such as the service life of the product can be influenced.
Prior to the present technology, the existing damper tests include appearance detection, damping force (torsion) detection, fault detection, and life (high and low temperature resistance) detection, but these test processes often need to be designed according to the experience of the tester, so as to form an experimental report, and complete the test of the damper, which may result in low test efficiency if the experience level of the tester is insufficient or the personnel is misplaced.
Disclosure of Invention
In view of the above problems, the invention provides a method and a system for continuously testing the performance of a damper, which realize a fast and self-adaptive test mode of the damper and realize efficient and quick performance test through a self-adaptive adjustment test flow.
According to a first aspect of an embodiment of the present invention, a method for continuously testing performance of a damper is provided.
In one or more embodiments, preferably, the method for continuously testing the performance of the damper includes:
setting specific test items, and numbering each type of item;
setting a comprehensive test system structure, and at least comprising a damper monitoring sensor and environment preparation equipment of the damper;
forming an estimated time required by the corresponding test of each test number under each state;
acquiring average preparation time of switching between different types of tests in all historical data;
setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequences to be tested as a test sequence;
and testing all dampers according to the testing sequence, and processing the abnormality according to a preset rule when the abnormality occurs.
In one or more embodiments, preferably, the setting a specific test item and numbering each type of item specifically includes:
the method comprises the steps of obtaining a damper performance test item at least comprising appearance detection, damping force detection, fault detection and service life detection;
starting the appearance detection number to be 1;
starting with damping force detection number 101;
starting fault monitoring number 201;
life monitoring number 301 begins.
In one or more embodiments, preferably, the setting integrated test system structure includes at least a damper monitor sensor and an environment preparation device of the damper, specifically including:
providing an on-line monitoring sensor for profile detection, damping force detection, fault detection and life detection;
environmental preparation equipment for providing on-line testing for appearance detection, damping force detection, fault detection and life detection;
all monitoring sensors and environment preparation equipment are connected to a control center through a 5G network, and are uniformly managed and controlled by the control center.
In one or more embodiments, preferably, the forming the prediction of the time required for the test corresponding to each test number in each state specifically includes:
acquiring all record values and initial values of the required time corresponding to a certain test number in a corresponding state;
setting the pre-estimation of the required time before the first test as the initial value;
acquiring an actual value of the actually acquired required time after the first test in the historical data;
when the actual value of the required time is higher than the estimated value of the required time, calculating a second estimated value by using a first calculation formula;
when the actual value of the required time is not higher than the estimated value of the required time, calculating a second estimated value by using a second calculation formula;
calculating an update judgment margin by using a third calculation formula;
repeatedly carrying out the third time and the fourth time until the estimation of the time required by the last test in the historical data according to the second estimated value and the updating judgment margin, continuously carrying out the third time and the fourth time until the time required by the last test in the historical data, if the actual value of the time required in the ten continuous tests is higher than the estimation of the time required by the last test and is not changed, correcting the updating judgment margin by using a fourth calculation formula, and then continuously repeating the subsequent tests until the estimation of the time required by the last test in the historical data is not updated at the moment;
the first calculation formula is as follows:
Y2＝C+x1
wherein, C is an initial value, Y2 is a second predicted value, and x1 is an update judgment margin;
the second calculation formula is as follows:
Y2＝C-x1
the third calculation formula is as follows:
x1＝x1×0.5
the fourth calculation formula is as follows:
x1＝x1×8。
in one or more embodiments, preferably, the obtaining the average preparation time of switching between different types of tests in all the historical data specifically includes:
acquiring switching time between different types of tests in the historical data, and if the switching time does not exist, replacing the switching time by a preset experience value;
if a plurality of switching times exist, taking the average value as the average preparation time of switching;
the average preparation time of switching is stored in a switching table, and elements in the j column of the ith row in the switching table are the average preparation time required for switching from the i test to the j test.
In one or more embodiments, preferably, the setting all items to be tested forms a plurality of sequences to be tested, and selects an optimal sequence to be tested as a testing sequence, which specifically includes:
determining all items to be tested, extracting the number of each item, forming all possible sequences to be tested, and forming a test sequence set;
presetting the most probable damper environment according to experience, and extracting an optimal test sequence by using a fifth calculation formula;
executing according to the optimal test sequence, judging the actual damper environment at the current moment after one test, updating the prediction of the time required by the test corresponding to each test number according to the current state, and reusing a sixth calculation formula to obtain the optimal test sequence as a test sequence;
the fifth calculation formula is:
[A]＝ARGMIN1(ΣS+Σ[A])
wherein [ A ] is an optimal test sequence, sigma [ A ] is the average preparation time sum of each [ A ] in the test traversal set, S is the pre-estimation of the required time, sigma S is the pre-estimation of the required time of [ A ], ARGMIN1 is a function of the optimal test sequence when the minimum value of Sigma S+Sigma [ A ] corresponding to each [ A ] in the test traversal set is extracted;
the sixth calculation formula is:
[A-n]＝ARGMIN2(ΣS+Σ[A-n])
wherein [ A-n ] is the optimal test sequence after n tests have been completed, Σ [ A-n ] is the average preparation time sum of [ A-n ], S is the prediction of the required time, ΣS is the prediction of the required time of [ A-n ], and ARGMIN1 is the function of the optimal test sequence when the minimum value of the corresponding ΣS+Σ [ A-n ] of each [ A-n ] of the test traversal set is extracted.
In one or more embodiments, preferably, the testing of all dampers according to the testing sequence, when an abnormality occurs, processing the abnormality according to a preset rule, specifically includes:
when the damper is damaged, the test is considered to be failed, and the test is not continued;
when the damper is damaged, but the test data is not available or the data cannot judge the result, the completed test is subtracted, and then the remaining test traversal set is utilized to carry out optimizing until the remaining test is completed.
According to a second aspect of embodiments of the present invention, a damper performance continuous testing system is provided.
In one or more embodiments, preferably, the damper performance continuous testing system includes:
the project setting module is used for setting specific test projects and numbering each type of project;
the comprehensive test module is used for setting a comprehensive test system structure and at least comprises a damper monitoring sensor and environment preparation equipment of the damper;
the rapid evaluation module is used for forming the prediction of the time required by the corresponding test of each test number under each state;
the time analysis module is used for acquiring average preparation time of switching among different types of tests in all historical data;
the optimal route analysis module is used for setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequences to be tested as a test sequence;
and the fault processing module is used for testing all dampers according to the testing sequence, and processing the abnormality according to a preset rule when the abnormality occurs.
According to a third aspect of embodiments of the present invention, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement a method according to any of the first aspect of embodiments of the present invention.
According to a fourth aspect of embodiments of the present invention there is provided an electronic device comprising a memory and a processor, the memory being for storing one or more computer program instructions, wherein the one or more computer program instructions are executable by the processor to implement the method of any of the first aspects of embodiments of the present invention.
The technical scheme provided by the embodiment of the invention can comprise the following beneficial effects:
in the scheme of the invention, a set of comprehensive test system of the damper is arranged, and the system comprises test equipment and a time evaluation system required by the real-time test of the test equipment.
In the scheme of the invention, a whole set of test scheme optimization method matched with the damper test system is arranged, and the method can rapidly extract which test of the damper is started, so that the problem of low test efficiency caused by insufficient experience of personnel or personnel planning is solved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method of continuously testing damper performance in accordance with one embodiment of the present invention.
FIG. 2 is a flow chart of setting specific test items and numbering each type of item in a damper performance continuous test method according to an embodiment of the present invention.
FIG. 3 is a flow chart of an integrated test system configuration for a method of continuously testing damper performance, including at least a damper monitor sensor and an environment preparation device for the damper, according to one embodiment of the present invention.
FIG. 4 is a flow chart of a method for continuously testing the performance of a damper according to an embodiment of the present invention, in which the estimated time required for testing is formed for each test number in each state.
FIG. 5 is a flow chart of the average preparation time for acquiring switching between different types of tests in the overall historical data in a damper performance continuous test method according to one embodiment of the present invention.
FIG. 6 is a flow chart of setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequence to be tested as a test sequence in a damper performance continuous test method according to an embodiment of the present invention.
Fig. 7 is a flowchart of a method for continuously testing the performance of dampers according to an embodiment of the present invention, in which all dampers are tested according to the test sequence, and when an abnormality occurs, the abnormality is handled according to a preset rule.
FIG. 8 is a block diagram of a damper performance continuity test system in accordance with one embodiment of the present invention.
Fig. 9 is a block diagram of an electronic device in one embodiment of the invention.
Detailed Description
In some of the flows described in the specification and claims of the present invention and in the foregoing figures, a plurality of operations occurring in a particular order are included, but it should be understood that the operations may be performed out of order or performed in parallel, with the order of operations such as 101, 102, etc., being merely used to distinguish between the various operations, the order of the operations themselves not representing any order of execution. In addition, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first" and "second" herein are used to distinguish different messages, devices, modules, etc., and do not represent a sequence, and are not limited to the "first" and the "second" being different types.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The dampers are installed in various devices for production and life, a plurality of dampers are also installed in some devices, the types of the dampers installed at different positions can be different, the situation of installation errors can occur in the actual assembly process, if the dampers are installed in defects, the product parts are not adapted, the assembly errors can not be caused, the noise can not be effectively reduced, and the quality problems such as the service life of the product can be influenced.
Prior to the present technology, the existing damper tests include appearance detection, damping force (torsion) detection, fault detection, and life (high and low temperature resistance) detection, but these test processes often need to be designed according to the experience of the tester, so as to form an experimental report, and complete the test of the damper, which may result in low test efficiency if the experience level of the tester is insufficient or the personnel is misplaced.
The embodiment of the invention provides a method and a system for continuously testing the performance of a damper. According to the scheme, through a self-adaptive adjustment test flow, a fast self-adaptive test mode of the damper is realized, and efficient and fast performance test is realized.
According to a first aspect of an embodiment of the present invention, a method for continuously testing performance of a damper is provided.
FIG. 1 is a flow chart of a method of continuously testing damper performance in accordance with one embodiment of the present invention.
In one or more embodiments, preferably, the method for continuously testing the performance of the damper includes:
s101, setting specific test items, and numbering each type of item;
s102, setting a comprehensive test system structure, wherein the comprehensive test system structure at least comprises a damper monitoring sensor and environment preparation equipment of the damper;
s103, forming an estimate of the time required by the corresponding test of each test number in each state;
s104, acquiring average preparation time of switching among different types of tests in all historical data;
s105, setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequences to be tested as a test sequence;
s106, testing all dampers according to the testing sequence, and processing the abnormality according to a preset rule when the abnormality occurs.
In the embodiment of the invention, firstly, a set of test items of the damper are set, secondly, on-line comprehensive test analysis is carried out, and finally, a self-adaptive test method is formed.
FIG. 2 is a flow chart of setting specific test items and numbering each type of item in a damper performance continuous test method according to an embodiment of the present invention.
As shown in fig. 2, in one or more embodiments, preferably, the setting a specific test item and numbering each type of item specifically includes:
s201, acquiring damper performance test items at least comprising appearance detection, damping force detection, fault detection and service life detection;
s202, starting the appearance detection number to be 1;
s203, starting damping force detection with the number 101;
s204, starting fault monitoring number 201;
s205, the lifetime monitoring number 301 is started.
In the embodiment of the invention, the setting process of the test items is mainly based on the test setting of all damper performances required by the current system, and the optimal test requirements are met.
FIG. 3 is a flow chart of an integrated test system configuration for a method of continuously testing damper performance, including at least a damper monitor sensor and an environment preparation device for the damper, according to one embodiment of the present invention.
As shown in fig. 3, in one or more embodiments, preferably, the setting integrated test system structure includes at least a damper monitor sensor and an environment preparation device of a damper, specifically including:
s301, providing an online monitoring sensor for appearance detection, damping force detection, fault detection and life detection;
s302, providing on-line testing environment preparation equipment for appearance detection, damping force detection, fault detection and life detection;
s303, connecting all monitoring sensors and environment preparation equipment to a control center through a 5G network, and uniformly managing and controlling the monitoring sensors and the environment preparation equipment by the control center.
In the embodiment of the invention, the setting process of the on-line comprehensive test system comprises two parts, wherein the first part is a monitoring sensor of the damper, the sensors are mainly used for carrying out information monitoring in the processes of appearance detection, damping force (torsion) detection, fault detection and service life (high and low temperature resistance) detection, and the second part is environment preparation type equipment which mainly provides corresponding test environments, and the environment preparation and the monitoring sensing are all prepared in general so as to start the whole comprehensive test, so that the requirement of all preparations in an adaptive damper performance test system is firstly clarified.
FIG. 4 is a flow chart of a method for continuously testing the performance of a damper according to an embodiment of the present invention, in which the estimated time required for testing is formed for each test number in each state.
In one or more embodiments, as shown in fig. 4, preferably, the forming the prediction of the time required for the test corresponding to each test number in each state specifically includes:
s401, acquiring a record value and an initial value of required time corresponding to a certain test number in all corresponding states;
s402, setting the pre-estimation of the required time before the first test as the initial value;
s403, acquiring an actual value of the actually acquired required time after the first test in the historical data;
s404, when the actual value of the required time is higher than the estimated value of the required time, calculating a second estimated value by using a first calculation formula;
s405, when the actual value of the required time is not higher than the estimated value of the required time, calculating a second estimated value by using a second calculation formula;
s406, calculating an update judgment margin by using a third calculation formula;
s407, repeatedly carrying out the estimation of the required time from the third time to the fourth time until the last test in the historical data according to the second predicted value and the updating judgment margin, continuously carrying out the process from the third time and the fourth time until the last test in the historical data, if the actual value of the required time in the ten continuous tests is higher than the estimation of the required time and is not changed, correcting the updating judgment margin by using a fourth calculation formula, and then continuously repeating the subsequent tests until the estimation of the required time of the last test in the historical data is carried out, and at the moment, not updating the estimation of the required time corresponding to each test number;
the first calculation formula is as follows:
Y2＝C+x1
wherein, C is an initial value, Y2 is a second predicted value, and x1 is an update judgment margin;
the second calculation formula is as follows:
Y2＝C-x1
the third calculation formula is as follows:
x1＝x1×0.5
the fourth calculation formula is as follows:
x1＝x1×8。
in the embodiment of the invention, in order to perform quick evaluation, it is required to determine how long the total test duration is after corresponding test is started in different test states, and the total test duration is completely different in different starting states, but is difficult to be completely determined by a tester, in this aspect, two ways are adopted, and in the first way, when no historical data exists before starting, a test time is set empirically in this case; if the historical data exists, the time required by testing in different states is generated continuously by correcting according to the historical data.
FIG. 5 is a flow chart of the average preparation time for acquiring switching between different types of tests in the overall historical data in a damper performance continuous test method according to one embodiment of the present invention.
As shown in fig. 5, in one or more embodiments, preferably, the obtaining the average preparation time of the switching between the different types of tests in the whole historical data specifically includes:
s501, acquiring switching time among different types of tests in historical data, and if the switching time does not exist, replacing the switching time by a preset experience value;
s502, if a plurality of switching times exist, taking an average value as an average preparation time of switching;
s503, storing the average preparation time of switching into a switching table, wherein the element in the j-column of the i-th row in the switching table is the average preparation time required for switching from the i test to the j test.
In the embodiment of the invention, the preparation time required for switching between the tests of the less types is not too long, but the difference is not too great, in this case, the core to be done is to record through a table, the switching time is obtained, and the average value is obtained, finally, the element in the ith row j in the switching table is used as a switching table, and the element in the ith row j in the switching table is the average preparation time required for switching from the i test to the j test.
FIG. 6 is a flow chart of setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequence to be tested as a test sequence in a damper performance continuous test method according to an embodiment of the present invention.
As shown in fig. 6, in one or more embodiments, preferably, the setting all items to be tested forms a plurality of sequences to be tested, and selecting an optimal sequence to be tested as a test sequence specifically includes:
s601, determining all items to be tested, extracting the number of each item, forming all possible sequences to be tested, and forming a test sequence set;
s602, presetting the most probable damper environment according to experience, and extracting an optimal test sequence by using a fifth calculation formula;
s603, executing according to the optimal test sequence, judging the actual damper environment at the current moment after one test, updating the prediction of the time required by the test corresponding to each test number according to the current state, and reusing a sixth calculation formula to obtain the optimal test sequence as a test sequence;
the fifth calculation formula is:
[A]＝ARGMIN1(ΣS+Σ[A])
wherein [ A ] is an optimal test sequence, sigma [ A ] is the average preparation time sum of each [ A ] in the test traversal set, S is the pre-estimation of the required time, sigma S is the pre-estimation of the required time of [ A ], ARGMIN1 is a function of the optimal test sequence when the minimum value of Sigma S+Sigma [ A ] corresponding to each [ A ] in the test traversal set is extracted;
the sixth calculation formula is:
[A-n]＝ARGMIN2(ΣS+Σ[A-n])
wherein [ A-n ] is the optimal test sequence after n tests have been completed, Σ [ A-n ] is the average preparation time sum of [ A-n ], S is the prediction of the required time, ΣS is the prediction of the required time of [ A-n ], and ARGMIN1 is the function of the optimal test sequence when the minimum value of the corresponding ΣS+Σ [ A-n ] of each [ A-n ] of the test traversal set is extracted.
In the embodiment of the invention, the process of the optimal route test is a traversing process, firstly, a set of all possible test sequences is formed, secondly, each test is confirmed to be used as the preparation time required by the first test, secondly, the environment of the most probable damper after each test is finished is considered, the preparation time for switching to the next test and the total duration of the next test are further obtained by the environment of the damper, the optimal test sequence is determined by utilizing the fifth optimizing calculation formula, however, the running state is different from the predetermined state after the test is finished in the process of the damper test, in this case, the sixth calculation formula is reused according to the state at the current moment to optimize, the rest optimal test route is determined, and all the tests are guided to finish.
Fig. 7 is a flowchart of a method for continuously testing the performance of dampers according to an embodiment of the present invention, in which all dampers are tested according to the test sequence, and when an abnormality occurs, the abnormality is handled according to a preset rule.
As shown in fig. 7, in one or more embodiments, preferably, the testing of all dampers according to the testing sequence, when an abnormality occurs, processes the abnormality according to a preset rule, and specifically includes:
s701, when the damper is damaged, considering that the test is not passed, and not continuing the test;
s702, when the damper is damaged, but the test data is not available or the data cannot judge the result, after the completed test is subtracted, optimizing by using the residual test traversal set until the residual test is completed.
In the embodiment of the invention, when a test fault occurs in the test process, how to process the fault of the most core is that the damper is damaged, in this case, a result of failed or failed test is obtained, and then if the test is not damaged but the test is failed, the data is not or is abnormal, and retests are needed, after the completed test is subtracted, optimizing is carried out by using the rest of test traversal set, and the complete test is determined.
According to a second aspect of embodiments of the present invention, a damper performance continuous testing system is provided.
FIG. 8 is a block diagram of a damper performance continuity test system in accordance with one embodiment of the present invention.
In one or more embodiments, preferably, the damper performance continuous testing system includes:
an item setting module 801, configured to set specific test items, and number each type of item;
a comprehensive test module 802 for setting a comprehensive test system structure including at least a damper monitor sensor and an environment preparation device of the damper;
the rapid evaluation module 803 is configured to form an estimate of a time required for a corresponding test for each test number in each state;
a time analysis module 804, configured to obtain average preparation time for switching between different types of tests in all the historical data;
the optimal route analysis module 805 is configured to set all items to be tested, form a plurality of sequences to be tested, and select an optimal sequence to be tested as a testing sequence;
and the fault processing module 806 is configured to perform all the tests of the dampers according to the test sequence, and process the abnormality according to a preset rule when the abnormality occurs.
In the embodiment of the invention, a system suitable for different structures is realized through a series of modularized designs, and the system can realize closed-loop, reliable and efficient execution through acquisition, analysis and control.
According to a third aspect of embodiments of the present invention, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement a method according to any of the first aspect of embodiments of the present invention.
According to a fourth aspect of an embodiment of the present invention, there is provided an electronic device. Fig. 9 is a block diagram of an electronic device in one embodiment of the invention. The electronic device shown in fig. 9 is a general damper performance continuous test apparatus. As shown in fig. 9, the electronic device 900 includes a Central Processing Unit (CPU) 901 that can perform various suitable actions and processes in accordance with computer program instructions stored in a Read Only Memory (ROM) 902 or computer program instructions loaded from a storage unit 908 into a Random Access Memory (RAM) 903. In the RAM903, various programs and data required for the operation of the electronic device 900 can also be stored. The CPU901, ROM 902, and RAM903 are connected to each other through a bus 904. An input/output (I/O) interface 905 is also connected to the bus 904.
A number of components in the electronic device 900 are connected to the I/O interface 905, including: an input unit 906, an output unit 907, a storage unit 908, and a processing unit 901 perform the respective methods and processes described above, for example, the method described in the first aspect of the embodiment of the present invention. For example, in some embodiments, the methods described in the first aspect of the embodiments of the present invention may be implemented as a computer software program, which is stored on a machine readable medium, such as the storage unit 908. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 900 via the ROM 902 and/or the communication unit 909. When the computer program is loaded into RAM903 and executed by CPU901, one or more operations of the method described in the first aspect of the embodiment of the present invention may be performed. Alternatively, in other embodiments, CPU901 may be configured in any other suitable manner (e.g., by means of firmware) as one or more actions of the method described in the first aspect of embodiments of the present invention.
The technical scheme provided by the embodiment of the invention can comprise the following beneficial effects:
in the scheme of the invention, a set of comprehensive test system of the damper is arranged, and the system comprises test equipment and a time evaluation system required by the real-time test of the test equipment.
In the scheme of the invention, a whole set of test scheme optimization method matched with the damper test system is arranged, and the method can rapidly extract which test of the damper is started, so that the problem of low test efficiency caused by insufficient experience of personnel or personnel planning is solved.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. A method for continuously testing the performance of a damper, comprising:
setting specific test items, and numbering each type of item;
setting a comprehensive test system structure, and at least comprising a damper monitoring sensor and environment preparation equipment of the damper;
forming an estimated time required by the corresponding test of each test number under each state;
acquiring average preparation time of switching between different types of tests in all historical data;
setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequences to be tested as a test sequence;
and testing all dampers according to the testing sequence, and processing the abnormality according to a preset rule when the abnormality occurs.
2. The method for continuously testing the performance of a damper according to claim 1, wherein the step of setting specific test items and numbering each type of items comprises the steps of:
the method comprises the steps of obtaining a damper performance test item at least comprising appearance detection, damping force detection, fault detection and service life detection;
starting the appearance detection number to be 1;
starting with damping force detection number 101;
starting fault monitoring number 201;
life monitoring number 301 begins.
3. The method for continuously testing the performance of a damper according to claim 1, wherein the setting-up of the integrated test system structure includes at least a damper monitor sensor and an environment preparation device for the damper, specifically comprising:
providing an on-line monitoring sensor for profile detection, damping force detection, fault detection and life detection;
environmental preparation equipment for providing on-line testing for appearance detection, damping force detection, fault detection and life detection;
all monitoring sensors and environment preparation equipment are connected to a control center through a 5G network, and are uniformly managed and controlled by the control center.
4. The method for continuously testing the performance of a damper according to claim 1, wherein the forming of the estimate of the time required for the test for each test number in each state comprises:
acquiring all record values and initial values of the required time corresponding to a certain test number in a corresponding state;
setting the pre-estimation of the required time before the first test as the initial value;
acquiring an actual value of the actually acquired required time after the first test in the historical data;
when the actual value of the required time is higher than the estimated value of the required time, calculating a second estimated value by using a first calculation formula;
when the actual value of the required time is not higher than the estimated value of the required time, calculating a second estimated value by using a second calculation formula;
calculating an update judgment margin by using a third calculation formula;
repeatedly carrying out the third time and the fourth time until the estimation of the time required by the last test in the historical data according to the second estimated value and the updating judgment margin, continuously carrying out the third time and the fourth time until the time required by the last test in the historical data, if the actual value of the time required in the ten continuous tests is higher than the estimation of the time required by the last test and is not changed, correcting the updating judgment margin by using a fourth calculation formula, and then continuously repeating the subsequent tests until the estimation of the time required by the last test in the historical data is not updated at the moment;
the first calculation formula is as follows:
Y2＝C+x1
wherein, C is an initial value, Y2 is a second predicted value, and x1 is an update judgment margin;
the second calculation formula is as follows:
Y2＝C-x1
the third calculation formula is as follows:
x1＝x1×0.5
the fourth calculation formula is as follows:
x1＝x1×8。
5. the method for continuously testing the performance of a damper according to claim 1, wherein the step of obtaining the average preparation time of switching between different types of tests in all the historical data comprises the following steps:
acquiring switching time between different types of tests in the historical data, and if the switching time does not exist, replacing the switching time by a preset experience value;
if a plurality of switching times exist, taking the average value as the average preparation time of switching;
the average preparation time of switching is stored in a switching table, and elements in the j column of the ith row in the switching table are the average preparation time required for switching from the i test to the j test.
6. The method for continuously testing the performance of a damper according to claim 1, wherein all items to be tested are set to form a plurality of sequences to be tested, and an optimal sequence to be tested is selected as a testing sequence, and the method specifically comprises the steps of:
determining all items to be tested, extracting the number of each item, forming all possible sequences to be tested, and forming a test sequence set;
presetting the most probable damper environment according to experience, and extracting an optimal test sequence by using a fifth calculation formula;
executing according to the optimal test sequence, judging the actual damper environment at the current moment after one test, updating the prediction of the time required by the test corresponding to each test number according to the current state, and reusing a sixth calculation formula to obtain the optimal test sequence as the test sequence
The fifth calculation formula is:
[A]＝ARGMIN1(ΣS+Σ[A])
wherein [ A ] is an optimal test sequence, sigma [ A ] is the average preparation time sum of each [ A ] in the test traversal set, S is the pre-estimation of the required time, sigma S is the pre-estimation of the required time of [ A ], ARGMIN1 is a function of the optimal test sequence when the minimum value of Sigma S+Sigma [ A ] corresponding to each [ A ] in the test traversal set is extracted;
the sixth calculation formula is:
[A-n]＝ARGMIN2(ΣS+Σ[A-n])
wherein [ A-n ] is the optimal test sequence after n tests have been completed, Σ [ A-n ] is the average preparation time sum of [ A-n ], S is the prediction of the required time, ΣS is the prediction of the required time of [ A-n ], and ARGMIN1 is the function of the optimal test sequence when the minimum value of the corresponding ΣS+Σ [ A-n ] of each [ A-n ] of the test traversal set is extracted.
7. The method for continuously testing the performance of the damper according to claim 1, wherein the testing of all dampers is performed according to the testing sequence, and when an abnormality occurs, the abnormality is handled according to a preset rule, specifically comprising:
when the damper is damaged, the test is considered to be failed, and the test is not continued;
when the damper is damaged, but the test data is not available or the data cannot judge the result, the completed test is subtracted, and then the remaining test traversal set is utilized to carry out optimizing until the remaining test is completed.
8. A damper performance continuous testing system for implementing the method of any one of claims 1-7, the system comprising:
the project setting module is used for setting specific test projects and numbering each type of project;
the comprehensive test module is used for setting a comprehensive test system structure and at least comprises a damper monitoring sensor and environment preparation equipment of the damper;
the rapid evaluation module is used for forming the prediction of the time required by the corresponding test of each test number under each state;
the time analysis module is used for acquiring average preparation time of switching among different types of tests in all historical data;
the optimal route analysis module is used for setting all items to be tested, forming a plurality of sequences to be tested, and selecting the optimal sequences to be tested as a test sequence;
and the fault processing module is used for testing all dampers according to the testing sequence, and processing the abnormality according to a preset rule when the abnormality occurs.
9. A computer readable storage medium, on which computer program instructions are stored, which computer program instructions, when executed by a processor, implement the method of any of claims 1-7.
10. An electronic device comprising a memory and a processor, wherein the memory is configured to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the method of any of claims 1-7.
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| US20020155628A1 (en) * | 2001-04-20 | 2002-10-24 | International Business Machines Corporation | Method for test optimization using historical and actual fabrication test data |
| CN104236893A (en) * | 2014-10-09 | 2014-12-24 | 河海大学常州校区 | Performance parameter test system and performance parameter test method of hydraulic damper |
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