Time synchronization method and system of test script, electronic equipment and storage medium

Abstract

The invention discloses a time synchronization method of a test script. A time synchronization instruction is received; the synchronization instruction comprises heartbeat information and synchronization time. According to the verification result of the heartbeat information, the local script running time is corrected through the synchronization time. And running the test script according to the corrected script running time to obtain an excitation signal capable of running on the test control system. According to the invention, by adding a test management system and heartbeat information of an exciter, the positioning and isolation problems of partial faults are solved, by defining abnormal codes and customizing state parameters, the problem of time synchronization fault field recording is solved, and by adding a strict instruction feedback process, the time synchronization fault field recording efficiency is improved. Continuous accumulation of small and micro time dislocation on a tested system is avoided, and hidden faults in scripts and excitation units are prompted to be found in time. The takt is staggered through the delay script excitation and the synchronization instruction, it is guaranteed that the current excitation is not output when the fault occurs, and the disorder danger of the test activity is reduced.

Description

technical field [0001] The invention relates to the technical field of industrial testing, and in particular, to a time synchronization method of a test script, an electronic device and a storage medium. Background technique [0002] At present, with the deepening of the digital twin concept, the simulation test requirements of control systems are increasing day by day, and the traditional manual stimulus response test that only meets the function can no longer meet the requirements. Therefore, in the face of high-precision control scenarios, complex environment simulation and complex integration testing of large-scale systems, the excitation unit must now have automatic testing capabilities. However, the time synchronization of general automatic tests has the following problems: [0003] There is a lack of a high-precision time synchronization incentive method, the test system is continuous, and the time synchronization process is easily mixed with the test process, making...

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Problems solved by technology

[0003] Lack of a high-precision time synchronization excitation method, the test system is continuous, and the time synchronization process is easily mixed with the test process, making traditional broadcast synchronization information easy to ignore some fine time jitter faults. In the face of high precision, High-precision timing test requirements, many step problems of time slice scripts are quickly adjusted and ignored by broadcast synchronous information, and the excitation system has time asynchronous flaws when the excitation signal is sent out, resulting in the accumulation of timing faults in the control system under test and zoom in

[0004] The time synchronization process cannot isolate the time synchronization problem caused by the failure of the test system and the exciter. In the traditional time synchronization method, the time information reception of the exciter is generally emphasized, but the time feedback is ignored. Therefore, when the test system fails ( Such as a certain repetitive, unexpected sending of synchronization commands), the exciter lacks the means to identify the correctness of the synchronization model, similarly, the test system also lacks the means to identify the correctness of the feedback signal of the exciter, so many test faults cannot be obtained Timely discovery, in the face of complex testing process, the cumulative faults are often found after several days of testing activities, wasting precious testing time;

[0005] It is impossible to isolate dangerous wrong stimulus, which may cause the crash of the test system due to time or some kind of wrong stimulus; the test of general high-precision test system has high security requirements, and some wrong stimulus scripts may lead to the test control The huge disorder of the system causes danger and loss, so it is a contradiction to stimulate and check the correctness of each excitation according to the sequence

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