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Effect of Suspension Roll Angle Sensors on the Performance of H ∞Active Antiroll Bar Control System of Trucks

Vu, V.T. and Vu, N.T. (2023) Effect of Suspension Roll Angle Sensors on the Performance of H ∞Active Antiroll Bar Control System of Trucks. Mathematical Problems in Engineering, 2023. ISSN 1024123X

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Abstract

The rollover phenomenon is quite familiar with trucks and often has severe consequences worldwide. This article focuses on developing a new control structure for the active antiroll bar system using the robust control method. The main objective is to improve the vehicle's roll stability by using additional suspension roll angle sensors. First, a truck model equipped with an active antiroll bar system is introduced. Then, the basic robust controller structure diagram is described in detail. Based on this basic robust controller, the authors develop a new robust controller considering the suspension roll angle sensors. Finally, the response of a truck using an active antiroll bar system with two robust (H∞) controllers and a passive antiroll bar system is compared and evaluated in the time domain and in the frequency domain. The results showed that the use of two sensors of the suspension roll angle sensors increased the efficiency by about 20 compared to the basic robust controller. This has proven the effectiveness of a new approach in improving the roll stability of trucks. © 2023 Van Tan Vu and Ngoc Tuan Vu.

Item Type: Article
Divisions: Faculties > Faculty of Vehicle and Energy Engineering
Identification Number: 10.1155/2023/2715787
Uncontrolled Keywords: Automobile suspensions; Controllers; Frequency domain analysis; Robust control, Active anti-roll bars; Angle sensors; Bars system; Control structure; H ∞; Performance; Robust control methods; Robust controllers; Roll angle; Roll stability, Trucks
URI: http://eprints.lqdtu.edu.vn/id/eprint/10741

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