基于模糊滑模的车辆横摆稳定性控制
Agricultural Equipment & Vehicle Engineering(2020)
Abstract
针对分布式驱动汽车在极限工况下易出现失稳问题,提出了基于模糊滑模控制的车辆横摆稳定性策略.控制方案采用分层设计,上层控制模块利用模糊滑模理论求出车辆理想状态下的附加横摆力矩;下层考虑驱动电机输出最大力矩和路面附着约束条件,以降低轮胎纵向利用率为目标优化分配各车轮转矩.通过CarSim-MATLAB/Simulink联合仿真平台进行双移线工况仿真试验,结果表明,该控制策略下的车辆横摆稳定性显著提升.
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