An investigation into vehicle rollover prevention by coordinated control of active anti-roll bar and electronic stability program

被引:0
作者
Seongjin Yim
Kwangki Jeon
Kyongsu Yi
机构
[1] Seoul National University,Advanced Institutes of Convergence Technology
[2] KATECH,Body & Chassis System Research Center, Intelligent Vehicle Technology R&D Division
[3] Seoul National University,School of Mechanical and Aerospace Engineering
来源
International Journal of Control, Automation and Systems | 2012年 / 10卷
关键词
Active anti-roll bar; electronic stability program; linear quadratic static output feedback control; rollover prevention;
D O I
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中图分类号
学科分类号
摘要
This paper presents a method for designing a controller that uses an active anti-roll bar (AARB) and an electronic stability program (ESP) for rollover prevention. ESP with longitudinal speed control (LSC) can carry out active braking to reduce vehicle speed and lateral acceleration to prevent a rollover. To enhance the rollover prevention capability of the ESP, an AARB is adopted. The controller for the AARB was designed based on linear quadratic (LQ) static output feedback (SOF) control methodology, which attenuates the effect of lateral acceleration on the roll angle and roll rate by control of the suspension stroke and the tire deflection of the vehicle. Although this AARB significantly increases ride comfort and rollover prevention, it has a drawback — the vehicle loses its maneuverability. Therefore, the ESP with LSC is used to overcome this drawback. Simulations showed that the proposed method was effective in preventing a rollover.
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页码:275 / 287
页数:12
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