Dynamic Load Emulation of Regenerative Braking System during Electrified Vehicle Braking States Transition

2013 IEEE Vehicle Power and Propulsion Conference (VPPC) Pub Date : 2013-11-21 DOI:10.1109/VPPC.2013.6671677

He Chengkun, Zhang Junzhi, Wang Lifang, Gou Jinfang, L. Yutong

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引用次数: 4

Abstract

Considering the influence of the transition process of a combined brake system between regenerative brake and friction brake, a closed-loop speed control method was proposed to emulate the load of regenerative braking system based on motor- dynamometer set. By analyzing the dynamics of regenerative braking system and emulation system, the key for emulating load of regenerative braking system was unveiled. The key point was to deal with the problem of the disturbance of the braking states transition. Therefore a combination controller including a linear quadratic optimal controller and a sliding mode controller was designed, while the former was used to resist the disturbance, and the latter was used to compensate the offset of performance index bringing by the nonlinear part. Simulations were carried out to test the effect of the proposed combination control. The results showed that the designed combination control could resist the disturbance effectively and has better dynamic characteristics than traditional PI control.

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电动汽车制动状态转换时再生制动系统的动态负荷仿真

考虑到再生制动与摩擦制动组合制动系统过渡过程的影响，提出了一种基于电机-测功机组的再生制动系统负载仿真闭环速度控制方法。通过对再生制动系统和仿真系统的动力学分析，揭示了再生制动系统负载仿真的关键。关键是要解决制动状态转换的干扰问题。为此，设计了一种由线性二次最优控制器和滑模控制器组成的组合控制器，前者用于抵抗扰动，后者用于补偿非线性部分带来的性能指标偏移。通过仿真验证了所提出的组合控制的效果。结果表明，所设计的组合控制能有效地抵抗扰动，具有比传统PI控制更好的动态特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 IEEE Vehicle Power and Propulsion Conference (VPPC)

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