Sign Stability for Switched Linear Systems and Its Application in Flight Control

Qing Wang, Tong Wang, Yanze Hou and Chaoyang Dong

Journal of Applied Mathematics, 2014, vol. 2014, 1-9

Abstract:

The sign stability concept in ecological systems is introduced into the analysis and synthesis of switched linear system to explore new control design technique. The necessary and sufficient condition for sign stability of a switched linear system under arbitrary switching is achieved via the notion of complete isogenous sign stable set (CISSS). A new approach for the stabilization of switched system is presented. Although the controllers are devised for each subsystem, respectively, the switched system is sign stabilized by the constitution of CISSS. The provided method has natural robustness and more design freedoms than the familiar Lyapunov function method, which bears relative conservativeness as the requirement of solving LMIs. The presented technique is validated by an example of flight control within a large-scale flight envelop. Simulation results indicate that the proposed method can stabilize the flight attitude under large variations of system parameters and external perturbations.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnljam:391617

DOI: 10.1155/2014/391617

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