Mean-square exponential stability of uncertain Markovian jump systems with mode-dependent time delays: a distinct Lyapunov matrices-based approach

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Mean-square exponential stability of uncertain Markovian jump systems with mode-dependent time delays: a distinct Lyapunov matrices-based approach

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This study focuses on presenting a new approach to studying the robust mean-square exponential stability of uncertain Markovian jump systems with mode-dependent time-varying delays. The basic idea of this approach is to choose distinct Lyapunov matrices for different system modes. To achieve it, a novel Lyapunov functional is constructed with the novelty being that: (i) besides Pi,Q1i,Q2i,Q3i, the Lyapunov matrices R1i,R2i of double-integral terms depend on the system mode i and (ii) two additional double-integral terms are introduced to resolve the difficulties brought by the terms with R1i,R2i. Some less conservative conditions are derived such that the Markovian jump system is robustly mean-square exponentially stable for all admissible uncertainties. It is further rigorously shown that some recent results are the special cases of the stability criterion established by the new approach. An illustrative example is given to show the performance of the developed results.

Inspec keywords: mean square error methods; delays; Lyapunov matrix equations; time-varying systems; uncertain systems; Markov processes; asymptotic stability

Other keywords: Lyapunov functional; mean-square exponential stability; Lyapunov matrices-based approach; uncertain Markovian jump systems; mode-dependent time-varying delays; mode-dependent time delays; mean-square exponentially stable

Subjects: Stability in control theory; Distributed parameter control systems; Markov processes; Interpolation and function approximation (numerical analysis); Time-varying control systems

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