2013
IMAACA 2013 Proceeding
Battery system modeling and identification for electric propulsion vehicle with fault simulation
Authors: Kyuhong Han
Abstract
This paper describes development process and results of a battery system model with fault simulation for electric propulsion vehicles. The developed battery system model can be used to verify control and fault diagnosis strategies of a supervisory controller in the electric propulsion vehicle. To develop this battery system model, three sub-models, including a battery model, a relay assembly model, and a BMS (Battery Management System) model, are connected together similarly to the target real battery system. Comparison results between the real battery system hardware and the battery system model show similar tendency and values. And fault injection test of the model shows real system situation. It is possible for the model to emulate battery characteristics and fault situation if it is used in the development process of the BMS or the supervisory control strategies for electric propulsion systems.
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