Finite-time stability analysis and H∞ control for a class of nonlinear time-delay Hamiltonian systems

  • Authors:
  • Renming Yang;Yuzhen Wang

  • Affiliations:
  • School of Control Science and Engineering, Shandong University, Jinan 250061, PR China and School of Information Science and Electrical Engineering, Shandong Jiaotong University, Jinan 250357, PR ...;School of Control Science and Engineering, Shandong University, Jinan 250061, PR China

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2013

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Abstract

This paper investigates the finite-time stability (FTS) analysis and finite-time H"~ control design for a class of nonlinear time-delay Hamiltonian systems, and proposes some delay-dependent results on both the FTS and finite-time control design. First, a criterion on the FTS is proposed for general time-delay nonlinear systems via the Razumikhin approach. Then, based on the criterion, some delay-independent and delay-dependent conditions on the FTS are derived for the nonlinear time-delay Hamiltonian systems by constructing a suitable Lyapunov function. Third, we use the obtained FTS results to investigate the finite-time H"~ control problem, and present a control design procedure for a class of nonlinear time-delay port-controlled Hamiltonian systems by the energy-shaping approach. Study of two illustrative examples shows that the results obtained in this paper work very well in the FTS analysis and control design of some nonlinear time-delay Hamiltonian systems.