Abstract
With the increasing complexity of vehicle control system, the failure rate has also been enhanced accordingly. Through traditional maintenance techniques, only the intact state of the qualitative vehicle control system can be achieved, and functions such as analyzing and predicting the hidden failure and technical state of vehicle control system, health management, etc., cannot be realized, which seriously restricts the formation of maintenance efficiency. According to the signal characteristics of the vehicle control system, the electric signal spectrum analysis method is used to realize intelligent detection, evaluation, management, fault prediction and diagnosis of vehicle control system performance indicators, so as to ensure vehicle control system is always in good condition, has a very important significance to improve the maintenance support ability of vehicle control system.
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