Multi-objective control for active vehicle suspension with wheelbase preview
作者： Panshuo Li , James Lam , Kie Chung Cheung
DOI: 10.1016/J.JSV.2014.06.017
关键词: Norm (mathematics) 、 Active suspension 、 Ride quality 、 Control theory 、 Actuator 、 Wheelbase 、 Linear matrix inequality 、 Angular acceleration 、 Engineering 、 Linearization
摘要: Abstract This paper presents a multi-objective control method with wheelbase preview for active vehicle suspension. A four-degree-of-freedom half-car model suspension is considered in this study. H ∞ norm and generalized 2 are used to improve ride quality ensure that hard constraints satisfied. Disturbances at the front wheel obtained as information rear wheel. Static output-feedback utilized designing controllers, solution derived by iterative linear matrix inequality (ILMI) cone complementarity linearization (CCL) algorithms. Simulation results confirm achieves significant improvement of (a maximum 27 percent 60 on vertical angular acceleration, respectively) comparing without preview, while deflections, tyre deflections actuator forces remaining within given bounds. The extent different amount also illustrated.
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