Cell balancing, battery state estimation, and safety aspects of battery management systems for electric vehicles
A. Hauser; R. Kuhn TUM CREATE Ltd, Singapore
Abstract
Apart from determining and controlling cell voltages, temperatures, and currents of the individual battery cells in a battery pack of an electric vehicle, an automotive battery management system (BMS) has additional requirements. In this chapter, mechanisms to correct imbalances between the cells will be introduced, as well as the types and causes for these imbalances. Further, battery state estimation with cell models, safety aspects of BMS regarding functional safety based on ISO 26262, standard safety measures and devices of automotive battery systems and HV and IT safety/security ...
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