Stabilization and finite-gain stabilizability of delay linear systems subject to input saturation

Abstract : This chapter deals with two problems on stabilization of linear systems by static feedbacks which are bounded and time-delayed, namely global asymptotic stabilization and finite gain L p-stabilization, p [1, ∞]. Regarding the first issue, we provide, under standard necessary conditions, two types of solutions for arbitrary small bound on the control and large (constant) delay. The first solution is based on the knowledge of a static stabilizing feedback in the zero-delay case and the second solution is of nested saturation type, which extends results of [2]. For the finite-gain L p- stabilization issue, we assume that the system is neutrally stable. We show the existence of a linear feedback such that, for arbitrary small bound on the control and large (constant) delay, finite gain L p-stability holds with respect to every L p-norm, p [1, ∞]. Moreover, we provide upper bounds for the corresponding L p-gains which are delay-independent. © Springer-Verlag Berlin Heidelberg 2007.
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Karim Yakoubi, Yacine Chitour. Stabilization and finite-gain stabilizability of delay linear systems subject to input saturation. Lecture Notes in Control and Information Sciences, 2007, 352, pp.329-341. ⟨10.1007/978-3-540-49556-7_20⟩. ⟨hal-02320805⟩

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