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分布式驱动电动汽车稳定性分层控制策略研究

DOI: 10.15918/j.tbit1001-0645.2015.05.011

Keywords: 分布式驱动电动汽车 稳定性控制 硬件在环仿真

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Abstract:

提出一种分布式驱动电动汽车行驶稳定性分层控制策略. 策略分为基于滑模控制的广义力矩计算层、基于二次规划的滑移率决策层和基于ABS/ASR的滑移率追踪层. 搭建包括双电机独立驱动系统在内的硬件在环仿真平台,进行了分布式驱动电动汽车典型行驶工况的仿真. 与传统车辆稳定性控制策略的对比发现,文中提出的策略能够在对纵向车速影响较小的前提下,提高车辆操纵稳定性,在部分执行器失效时仍能确保车辆的行驶安全

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