New paradigms for the integration of yaw stability and rollover prevention functions in vehicle stability control

Rajesh Rajamani, D. Piyabongkarn

Research output: Contribution to journalConference articlepeer-review

4 Scopus citations

Abstract

The integration of rollover prevention and yaw stability control objectives in electronic stability control has traditionally been done based on a priority calculation. This paper focuses on an integrated electronic stability control system wherein the objectives of yaw stability and rollover prevention are addressed simultaneously, rather than one at a time. First, we show that staying on a desired planar trajectory at a specified speed results in an invariant rollover index. This implies that rollover prevention can be achieved whenever there is a danger of rollover only by reducing vehicle speed, since changing the desired vehicle trajectory is not a desirable option. In this regard, it is shown that a vehicle which reduces its speed before entering a sharp curve performs significantly better than a vehicle that uses differential braking during the turn for yaw stability control.

Original languageEnglish (US)
Article number6426659
Pages (from-to)5046-5051
Number of pages6
JournalProceedings of the IEEE Conference on Decision and Control
DOIs
StatePublished - Dec 1 2012
Event51st IEEE Conference on Decision and Control, CDC 2012 - Maui, HI, United States
Duration: Dec 10 2012Dec 13 2012

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