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Open Access research with a European policy impact...

The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the European Policies Research Centre (EPRC).

EPRC is a leading institute in Europe for comparative research on public policy, with a particular focus on regional development policies. Spanning 30 European countries, EPRC research programmes have a strong emphasis on applied research and knowledge exchange, including the provision of policy advice to EU institutions and national and sub-national government authorities throughout Europe.

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Robust lateral controller for four-wheel steer cars with actuator constraints

Leith, D.J. and Leithead, W.E. and Vilaplana, M. (2005) Robust lateral controller for four-wheel steer cars with actuator constraints. In: Proceedings of the 44th IEEE Conference on Decision and Control, 2005 and 2005 European Control Conference. CDC-ECC '05. IEEE, pp. 5101-5106. ISBN 0-7803-9567-0

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Abstract

In this paper we study a new steering controller for cars equipped with 4-wheel steer-by-wire. The controller commands front and rear steering angles with the objective of tracking reference yaw rate and sideslip signals corresponding to the desired vehicle handling behaviour. The controller compensates for changes in vehicle dynamics with forward speed and incorporates an anti-windup scheme to mitigate the effects of the saturation or failure of the rear steering actuators. We analyse the robust stability and performance of the resulting non-linear control system.