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Title: Composite nonlinear feedback control for systems with actuator saturation - Towards improved tracking performance
Keywords: Composite Nonlinear Feedback, Linear Systems, Nonlinear Systems, Atuator Saturation, Transient Response, Tracking Performance
Issue Date: 6-Feb-2006
Citation: HE YINGJIE (2006-02-06). Composite nonlinear feedback control for systems with actuator saturation - Towards improved tracking performance. ScholarBank@NUS Repository.
Abstract: In this study, the author developed a new method with a simple structure in order to track set-point signals under actuator saturation for general continuous-time and discrete-time linear systems under state feedback and measurement feedback. Based on any linear feedback law found using any method available which solves the tracking problem under actuator saturation, by adding additional control action with a tuning parameter, the author proposes a so-called Composite Nonlinear Feedback (CNF) control method, which gives better transient tracking performance than that obtained by using only a linear controller. The author has extended this method to be applied to nonlinear yet linearizable systems and partial linear systems. Simulation examples clearly showed the improvement of system performance and in some cases there was very significant improvement. The author also discusses this methoda??s possible applications and proposes some future research directions.
Appears in Collections:Ph.D Theses (Open)

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