Decoupling Control for nonlinear models of 4WS vehicles with varying longitudinal velocity performance

  • Mingxing Li*
  • , Yingmin Jia
  • , Junping Du
  • , Jun Zhang
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents the decoupling control of a nonlinear pitch-bank road 4WS vehicle model. Decoupling conditions of the vehicle model are obtained, which are neither braking too hard that rear wheels leave the ground nor accelerating too fast that front wheels leave the ground. Under these decoupling conditions, the output-feedback control dynamic law and the decoupling result are gained. In the final decoupled system, longitudinal velocity is no longer coupled with lateral velocity or yaw rate, so the subsystem about lateral velocity and yaw rate are typical LPV system, in which parameters are functions of longitudinal velocity. Simulation results show that this decoupling law can improve safety and comfort of the vehicle driving.

Original languageEnglish
Title of host publicationProceedings of the 31st Chinese Control Conference, CCC 2012
Pages4306-4311
Number of pages6
Publication statusPublished - 2012
Externally publishedYes
Event31st Chinese Control Conference, CCC 2012 - Hefei, China
Duration: 25 Jul 201227 Jul 2012

Publication series

NameChinese Control Conference, CCC
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference31st Chinese Control Conference, CCC 2012
Country/TerritoryChina
CityHefei
Period25/07/1227/07/12

Keywords

  • 4WS Vehicle Models
  • Decoupling Control
  • Nonlinear System

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