• CN:11-2187/TH
  • ISSN:0577-6686

›› 2007, Vol. 43 ›› Issue (11): 98-104.

• 论文 • 上一篇    下一篇

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基于干扰抑制的汽车转向与悬架系统的集成控制

陈无畏;孙启启;胡延平;朱茂飞   

  1. 合肥工业大学机械与汽车工程学院;广州电器科学研究院
  • 发布日期:2007-11-15

INTEGRATED CONTROL OF AUTOMOBILE STEERING AND SUSPENSION SYSTEM BASED ON DISTURBANCE SUPPRESSION

CHEN Wuwei;SUN Qiqi;HU Yanping;ZHU Maofei   

  1. School of Mechanical and Automotive Engineering, Hefei University of Technology Guangzhou Electric Apparatus Research Institute
  • Published:2007-11-15

摘要: 建立侧向风作用下的汽车整车横向和垂向非线性动力学模型。考虑到随机路面输入和侧向风干扰,利用L2增益干扰抑制的方法设计出电动助力转向(EPS)与主动悬架系统(ASS)的非线性输出反馈H控制器。在Matlab环境下对驾驶员—汽车—道路闭环系统进行仿真计算。结果表明,所设计的控制器能有效抑制路面随机输入和较大的侧向风干扰,改善车辆的操纵稳定性、转向轻便性和行驶平顺性。

关键词: L2增益, 非线性, 干扰抑制, 集成控制, 汽车, 电阻法, 腐蚀深度, 双环探针, 温差, 管道

Abstract: A vehicle nonlinear lateral and vertical dynamics model is built under crosswind disturbance. With the L2-gain method of disturbance suppression, the nonlinear H output feedback controller is designed for electrical power steering (EPS) and active suspension system (ASS) with considerations of random road input and strong crosswind disturbance. Simulations for driver-vehicle-road closed-loop system are carried out by using Matlab software. The results show that the designed controller can suppress the disturbances effectively and improve handling stability, handiness and ride characteristics of a vehicle.

Key words: Automobile, Disturbance suppression, Integrated control, L2-gain, Nonlinearity, corrosion depth, electrical resistance method, pipeline, ring pair probe, temperature difference

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