Sliding mode control of switched uncertain linear systems: designing robust H ∞ sliding surface
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KünyeLian, J., Dimirovski, G.M., Zhao, J. (2011). Sliding mode control of switched uncertain linear systems: Designing robust H ∞ sliding surface. In 2011 7th International Conference on Electrical and Electronics Engineering (ELECO 2011) (pp. II410-II414), Piscataway, NJ: IEEE.
The robust H ∞ control problem for a class of uncertain switched linear systems by using the variable structure control is investigated. A robust H ∞ single sliding surface is shown to exist as long as a convex combination of the subsystems of the switched system is robustly stabilizable with disturbance attenuation level γ. A switching law is constructed via the single Lyapunov function technique. Variable structure controllers of subsystems are designed so as the resulting closed-loop system guarantees the robust H ∞ performance. An illustrative example and simulation results are given to demonstrate the effectiveness of the proposed design method.