Implementation of an energy management strategy with drivability constraints for a dual-motor electric vehicle
- Publication Type:
- Journal Article
- World Electric Vehicle Journal, 2019, 10 (2)
- Issue Date:
© 2019 by the authors. This paper presents a real-time energy management strategy to distribute the power demand between two independent motors properly. Based on the characteristics of the novel transmission system, an enumeration-based searching approach is used to hunt for the optimal working points for both motors to maximize the overall efficiency. Like many energy management strategies, approaches that focus on reducing energy consumption can result in frequent gearshifts. To improve drivability and make a balance between energy consumption and gearshifts, a cost function is designed. To verify the effectiveness of the proposed method, a mathematical model is built, and the simulation results demonstrate the achieved improvements.
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