Thứ sáu, 25/04/2025 | 13:46 GMT+7
Abstract: Optimal controller design for an active anti-roll bar system on cars Active anti-roll bar system is a typical system with the function of improving the roll stability thanks to the ability to continuously change the active torque for different driving conditions to overcome the moments that cause the car to rollover. In this paper, the authors present research and design of the optimal controller LQR for an active anti-roll bar system on cars with the control input determined as the amperage i of the actuator, the excitation signal is a random road surface according to ISO 8608 on either side of the wheels. The three optimized LQR controllers are designed with the goal of improving the roll stability. The important criteria such as vertical displacement, roll angle are surveyed and evaluated in the frequency and time domains. Keywords: Vehicle dynamics and control, active anti-roll bar system, optimal control, roll stability, rollover of cars. |
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03/04/2025