Fault Diagnosis System of Lithium Battery Based on Petri Net

doi:10.16182/j.issn1004731x.joss.201802030

Abstract

Abstract: To improve the efficiency of lithium battery fault diagnosis system, a fault diagnosis system based on Petri net is proposed. The fault diagnosis model based on Petri net came from the analysis of the inconsistent voltages between single cell in lithium batteries during charge and discharge. The system can find the fault causes according to abnormal signals detected by sensor. The control logic diagram of the fault diagnosis model is established by state flow, and simulated by simulink. The results of model verification and simulation show that the cause for inconsistent voltage is distinguished meticulously by the fault diagnosis system; thereby the efficiency of the battery management system is improved.

Key words: petri net, online fault diagnosis, lithium battery, state flow

CLC Number:

TP306₊.3

Gao Diju, Lan Xi, Shen Aidi. Fault Diagnosis System of Lithium Battery Based on Petri Net[J]. Journal of System Simulation, 2018, 30(2): 614-621.

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