Technical communique: Necessary and sufficient stability condition of fractional-order interval linear systems

作者: Hyo-Sung Ahn , YangQuan Chen

DOI: 10.1016/J.AUTOMATICA.2008.07.003

关键词: Hermitian matrixMathematicsPolynomial interpolationMatrix (mathematics)Interval arithmeticLinear systemRobust controlFractional calculusControl theoryPure mathematicsLyapunov function

摘要: This paper establishes a necessary and sufficient stability condition of fractional-order interval linear systems. It is supposed that the system matrix A an uncertain fractional commensurate order belongs to [email protected][email protected]<2. Using existence Hermitian P=P^* for complex Lyapunov inequality, we prove robust stable if only there exists such certain type inequality satisfied all vertex matrices. The results are directly extended polynomial

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