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Towards neutral steer and sideslip reduction for four-wheeled electric vehicles |
Guisheng ZHAI1(), Masayuki NAKA2, Tomoaki KOBAYASHI2, Joe IMAE2 |
1. Department of Mathematical Sciences, Shibaura Institute of Technology, Saitama 337–8570, Japan; 2. Department of Mechanical Engineering, Osaka Prefecture University, Osaka 599–8531, Japan |
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Abstract This paper proposes an approach to achieving both neutral steer and sideslip reduction for four-wheeled electric vehicles. The control problem is reduced to constructing a servo system tracking appropriate reference input, where the tracking is realized in the framework of ?∞ control. To deal with time-varying vehicle velocity for practical purpose, a gain scheduling strategy is developed to obtain the controller, where the lower and upper bounds of the velocity are used to obtain a polytopic range for the parameters in the system coefficient matrices. A numerical example is given to show validity of the proposed approach.
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Keywords
four-wheeled electric vehicles
neutral steer
sideslip reduction
servo system
?∞ control')" href="#">?∞ control
gain scheduling
linear matrix inequality (LMI)
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Corresponding Author(s):
ZHAI Guisheng,Email:zhai@shibaura-it.ac.jp
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Issue Date: 05 March 2012
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