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In order to solve the key technology of electric vehicle (EV), a battery management system (BMS) is proposed here to settle the critical issues. The system includes several common modules: data acquisition unit, communication unit and battery state estimation model. Two additional management units are developed here, one is thermal management and the other is high voltage management which improve the safety condition of the battery. The BMS has been successfully used in the Qi Rui Pure Electric Vehicle (QRPEV), the test results prove the validity and reliability of the system.
Qiang et al. (Fri,) studied this question.