Relaxed static stability for all-wheel-drive electric vehicle based on yaw moment control

Jun Ni*, Jibin Hu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

All-wheel-drive electric vehicles have been widely focused, which provides the possibility for advanced control technology. In this chapter, a novel control theory for automobile will be proposed-Relaxed Static Stability (RSS), which could also lead to new overall configuration concept. The basic idea of RSS is that the lateral dynamic system of the vehicle could be designed inherent static unstable (oversteer) to improve overall configuration flexibility, and be closed-looped stable based on pole assignment with external yaw moment provided by the independent motors. In this chapter, the basic schematic control strategy of RSS is described. Finally, a nonlinear dynamic model is used to verify the performance of RSS control. The results show that the handling performance of the vehicle could be significantly improved and adjusted to satisfy different handling demand based on adjusting desired pole locations.

Original languageEnglish
Title of host publicationLecture Notes in Electrical Engineering
PublisherSpringer Verlag
Pages151-159
Number of pages9
DOIs
Publication statusPublished - 2017

Publication series

NameLecture Notes in Electrical Engineering
Volume418
ISSN (Print)1876-1100
ISSN (Electronic)1876-1119

Keywords

  • All-wheel-drive
  • Direct yaw moment control (DYC)
  • Electric vehicle (EV)
  • Independent motor
  • Relaxed static stability

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