Strategies are investigated for controlling active anti-roll systems in single unit heavy road vehicles, so as to maximise roll stability. The achievable roll stability improvements that can be obtained by applying active anti-roll torques to truck suspensions are discussed. Active roll control strategies are developed, based on linear quadratic controllers. It is shown that an effective controller can be designed using the LQG approach, combined with the loop transfer recovery method to ensure adequate stability margins. A roll controller is designed for a torsionally flexible single unit vehicle, and the vehicle response to steady-state and transient cornering manoeuvres is simulated. It is concluded that roll stability can be improved by between 26% and 46% depending on the manoeuvre. Handling stability is also improved significantly.
Active roll control of single unit heavy road vehicles
Vehicle System Dynamics ; 40 , 4 ; 229-270
2003
42 Seiten, 25 Quellen
Article (Journal)
English
Active Roll Control of Single Unit Heavy Road Vehicles
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|Active roll control of single unit heavy road vehicles
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