Controller Area Network (CAN) bus has been popularly employed in most of vehicles and it will be heavily involved to the electric vehicle (EV) applications. This paper presents a CAN-bus-based battery management system (BMS). The system allows the EV system to detect whether the battery is overloaded through the CAN nodes and disable non-safety-critical devices when the battery is overloaded to protect the battery and to prolong the life of battery.
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