원문정보
초록
영어
To solve the problem of abnormal battery discharge in the operation of electric vehicles, a method of fault tolerance based on data driven is proposed. First, based on the relation between transient voltage and the aging degree, battery SOC estimation model is built through LS-SVM method. Then, the fault-tolerant control scheme is put forward, which aims at abnormal discharge of power battery. When known battery exception occurs, the corresponding model control law is implemented to achieve fault tolerance control. When the unknown abnormal battery fault occurs, using dynamic data circulation way, the unknown exception model is rapidly established implementing system fault tolerant control for unknown exception. Finally, the accuracy of the method is verified by the simulation, which shows that this method is good for the fault tolerance of known and unknown faults.
목차
1. Introduction
2. Abnormal Power Battery Discharge Fault Tolerant Strategy
2.1. The Establishment of SOC Model Library Base on LS-SVM
2.2. Decision-Making Mechanism Design
2.3. Tolerant Controller Design
3. Simulation and Analysis
4. Conclusion
Acknowledgements
References