Design of active suspension and electronic stability program for rollover prevention |
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| Authors: | S Yim Y Park K Yi |
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| Institution: | 1.BK21 School for Creative Engineering Design of Next Generation Mechanical and Aerospace Systems,Seoul National University,Seoul,Korea;2.Department of Mechanical Engineering,KAIST,Daejeon,Korea;3.School of Mechanical and Aerospace Engineering,Seoul National University,Seoul,Korea |
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| Abstract: | This paper presents a method for the design of a controller for rollover prevention using active suspension and an electronic
stability program (ESP). Active suspension is designed with linear quadratic static output feedback control methodology to
attenuate the effect of lateral acceleration on the roll angle and suspension stroke via control of the suspension stroke
and tire deflection of the vehicle. However, this approach has a drawback in the loss of maneuverability because the active
suspension for rollover prevention produces in vehicles an extreme over-steer characteristic. To overcome this drawback of
the active suspension based method, ESP is designed. Through simulations, the proposed method is shown to be effective in
preventing rollover. |
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