A nonlinear model of 4WS vehicle with three degree-of-freedom is established, Considering the uncertain characteristic of the tire lateral stiffness, an guaranteed cost control scheme was proposed for vehicle stability control, the optimal guaranteed cost control laws is derived in terms of linear matrix inequalities (LMIs). The simulation results show that transient response amplitude of the yaw rate , center side-slip angle and lateral acceleration can be decreased greatly, a good steady-state response can be achieved at a high speed, which improves the driving safety and handling stability.
Optimal Guaranteed Cost Control of Four-Wheel Steering Vehicle with Three Degree-of-Freedom
Applied Mechanics and Materials ; 574 ; 557-563
2014-07-18
7 pages
Article (Journal)
Electronic Resource
English
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