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A methodology for the design of robust rollover prevention controllers for automotive vehicles with active steering

Solmaz, Selim and Corless, Martin and Shorten, Robert (2007) A methodology for the design of robust rollover prevention controllers for automotive vehicles with active steering. International Journal of Control, 80 (11). pp. 1763-1779.

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Abstract

In this paper we present a robust controller design methodology for vehicle rollover prevention utilizing active steering. Control design is based on keeping the magnitude of the vehicle load transfer ratio (LTR) below a certain level in the presence of driver steering inputs; we also develop an exact expression for LTR. The proposed controllers have a proportional-integral structure whose gain matrices are obtained using the results of Pancake, Corless and Brockman. These controllers reduce the transient magnitude of the LTR while maintaining the steady state steering response of the vehicle. The controllers can be designed to be robust with respect to vehicle parameters such as speed and centre of gravity height. We also provide a modification to the controllers so that they only activate when the potential for rollover is significant. Numerical simulations demonstrate the efficacy of our approach and the resulting controllers.

Item Type: Article
Keywords: Active Steering, Automotive Rollover Prevention, Robust Control
Subjects: Science & Engineering > Hamilton Institute
Item ID: 889
Depositing User: Selim Solmaz
Date Deposited: 29 Jan 2008
Journal or Publication Title: International Journal of Control
Refereed: Yes
URI:

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