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World Electric Vehicle Journal is published by MDPI from Volume 9 issue 1 (2018). Articles in this Issue were published by The World Electric Vehicle Association (WEVA) and its member the European Association for e-Mobility (AVERE), the Electric Drive Transportation Association (EDTA), and the Electric Vehicle Association of Asia Pacific (EVAAP). They are hosted by MDPI on mdpi.com as a courtesy and upon agreement with AVERE.
Open AccessArticle

Nonlinear Body Slip Angle Observer for Electric Vehicle Stability Control

1
Department of Electrical Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
2
Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
*
Author to whom correspondence should be addressed.
World Electr. Veh. J. 2008, 2(4), 270-275; https://doi.org/10.3390/wevj2040270
Published: 26 December 2008
PDF [653 KB, uploaded 18 May 2018]

Abstract

This paper proposes a nonlinear observer for Body Slip Angle (β) estimation, in which a nonlinear tire model is adopted for the observer design. A newly developed method to identify parameters of road surface friction coefficient (μ) is introduced into this observer, which makes the observer adaptive to road condition changing. Simulations and field tests are conducted, where the feasibility of μ identification and effectiveness of the observer are checked, especially for nonlinear cornering situations.
Keywords: Electric Vehicle; Stability Control; Body Slip Angle Estimation; Nonlinear Observer; Friction Coefficient Identification Electric Vehicle; Stability Control; Body Slip Angle Estimation; Nonlinear Observer; Friction Coefficient Identification
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Geng, C.; Hori, Y. Nonlinear Body Slip Angle Observer for Electric Vehicle Stability Control. World Electr. Veh. J. 2008, 2, 270-275.

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