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Design of an Unknown Input Observer to Enhance Driver Experience of Electric Power Steering Systems

Reichhartinger, M. and Spurgeon, Sarah K. and Weyrer, M. (2016) Design of an Unknown Input Observer to Enhance Driver Experience of Electric Power Steering Systems. In: 2016 European Control Conference (ECC). IEEE, pp. 269-274. ISBN 978-1-5090-2592-3. E-ISBN 978-1-5090-2591-6. (doi:10.1109/ECC.2016.7810297) (KAR id:56324)

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https://dx.doi.org/10.1109/ECC.2016.7810297

Abstract

Electric power steering (EPS) systems assist the driver during manoeuvres by applying an additional steering torque generated by an electric motor. Although there are many advantages for electric actuated steering systems including fuel efficiency, they are known to deteriorate the feel of the steering as experienced by the driver. This paper presents a sliding mode observer based estimation concept which provides signals to evaluate and improve perception and feel of the steering as experienced by the driver. The proposed strategy is based on a physically motivated dynamic model of a power steering system and the measurements considered are typically available in any modern vehicle. The performance of the estimator is investigated using numerical simulation as well as experimental results obtained using a laboratory steering testbed.

Item Type: Book section
DOI/Identification number: 10.1109/ECC.2016.7810297
Uncontrolled keywords: torque; observers; vehicles; wheels; force; shafts; gears
Subjects: T Technology
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: Tina Thompson
Date Deposited: 18 Jul 2016 08:50 UTC
Last Modified: 16 Feb 2021 13:36 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/56324 (The current URI for this page, for reference purposes)
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