Fault tracing method and system
A fault source and fault technology, applied in the general control system, control/regulation system, test/monitoring control system, etc., can solve the problem of lack of research on fault propagation mechanism
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Embodiment 1
[0070] see figure 1 , this embodiment provides a fault tracing method, including the following steps:
[0071] S1: Set at least two observation points at different positions of the traction drive control system to be tested, and establish a first propagation model between the observation points of the traction drive control system to be tested under normal operating conditions;
[0072] S2: Analyze the spatio-temporal characteristics of each observation point when different types of faults occur according to the first propagation model, and establish a fault signal propagation model according to the spatio-temporal characteristics. The fault propagation model includes the evolution fault information and fault propagation time between each observation point;
[0073] S3: Extract the fault diagnosis features of the observation point according to the evolution fault information, fault propagation time, and historical fault data of the observation point, and establish a fault dict...
Embodiment 2
[0203] Corresponding to the above method embodiments, this embodiment provides a fault tracing system, including a memory, a processor, and a computer program stored in the memory and operable on the processor, when the processor executes the computer program Steps to implement the method described above.
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