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基于顶层设计的转向与悬架系统协同控制的研究

A Study on Steering and Suspension Cooperative Control Based on Top-layer Design

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【作者】 黄晨陈龙袁朝春江浩斌牛礼民

【Author】 Huang Chen;Chen Long;Yuan Zhaochun;Jiang Haobin;Niu Limin;School of automobile and traffic engineering Jiangsu University;College of mechanical engineering of Anhui University of Technology;

【机构】 江苏大学汽车与交通工程学院安徽工业大学机械工程学院

【摘要】 针对汽车复杂工况行驶对操纵稳定性及平顺性的综合要求,本文提出了一种基于顶层设计的转向与悬架底盘子系统协同控制策略。首先在底盘系统的顶层框架设计与协同机制研究的基础上,建立了综合性能控制分配模型,设计了启发式协商算法;接着以某车多体动力学模型为例进行了脉冲路面上角阶跃转向输入复合工况的SIMPACK/Matlab联合仿真;最后进行整车道路试验。仿真和试验结果表明,基于顶层设计的协同控制策略是可行和有效的,综合改善了车辆行驶平顺性和操纵稳定性。

【Abstract】 For meeting the requirements on the handling stability and ride comfort of vehicle in complex conditions,a steering and suspension cooperative control strategy is proposed based on top-layer design.Firstly,on the basis of the top layer framework design and cooperation mechanism investigation of chassis system,a comprehensive performance control allocation model is built with a heuristic negotiation algorithm devised.Then with the multi-body kinetics model for a vehicle as example,a SIMPACK/Matlab co-simulation is conducted with a compound condition of pulse pavement excitation and steering angle step input.Finally real vehicle road tests are performed.The results of both simulation and tests show that the cooperative control strategy based on top-layer design is feasible and effective,concurrently improving the ride comfort and handling stability of vehicle.

【关键词】 转向悬架顶层设计协同控制
【Key words】 steeringsuspensiontop-layer designcooperative control
  • 【会议录名称】 2015中国汽车工程学会年会论文集(Volume4)
  • 【会议名称】2015中国汽车工程学会年会
  • 【会议时间】2015-10-27
  • 【会议地点】中国上海
  • 【分类号】U463
  • 【主办单位】中国汽车工程学会
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