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乘用车横向稳定性控制联合仿真

乘用车横向稳定性控制联合仿真

Joint Simulation of Lateral Stability Control for Passenger Car

Joint Simulation of Lateral Stability Control for Passenger Car

doi:
10.19620/j.cnki.1000-3703.20170290
摘要:
采用上、下两层控制器进行乘用车的横向稳定性控制,上层控制器以理想的横摆角速度与质心侧偏角为控制目标,利用PID控制策略得出车辆稳定所需的横摆力矩.下层控制器采用模糊控制策略得出控制阀值,根据阀值进行控制决策,最后采用单轮和单侧车轮两种控制方式进行制动力分配.基于搭建的CarSim与Matlab/Simulink联合仿真环境,选取典型试验工况进行仿真分析.仿真结果表明,算法可以有效改善恶劣条件下乘用车的横向稳定性.
Abstract:
Passenger vehicle lateral stability control was conducted with two layer controller, in which the upper controller uses a desired yaw rate and sideslip angle as the control target, using the PID control strategy to obtain the required yaw moment for vehicle stability. The lower controller uses fuzzy control strategy to get the control threshold, and makes control decision according to the threshold, and finally uses single wheel and side wheels for braking force distribution. Based on the joint simulation environment of CarSim and MATLAB/Simulink, the simulation analysis of vehicle lateral stability was conduted under typical test conditions. The results show that this algorithm can effectively improve passenger car lateral stability under harsh conditions.
作者 吴刚院 [1] 刘丹 [1] 陈娟娟 [2]
Author: Wu Gangyuan[1] Liu Dan[1] Chen Juanjuan[2]
作者单位
  1. 长安大学,西安,710064
  2. 交通运输部公路科学研究院,北京,100088
期 刊: 汽车技术 ISTIC EI SCI PKU CSSCI
Journal: Automobile Technology
年,卷(期) 2018, (3)
分类号 U461.6
关键词: 乘用车 知识脉络 横向稳定性控制 知识脉络 模糊控制 知识脉络 横摆角速度 知识脉络 质心侧偏角 知识脉络 联合仿真 知识脉络
Keywords: Passenger car Lateral stability control Fuzzy control Yaw rate Sideslip angle Joint simulation
机标分类号
基金项目 交通运输行业重点实验室对外开放研究课题
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