Brief paper: Almost sure exponential stabilisation of stochastic systems by state-feedback control

  • Authors:
  • Liangjian Hu;Xuerong Mao

  • Affiliations:
  • Department of Applied Mathematics, Donghua University, Shanghai 200051, China and Department of Statistics and Modelling Science, University of Strathclyde, Glasgow G1 1XH, UK;Department of Statistics and Modelling Science, University of Strathclyde, Glasgow G1 1XH, UK

  • Venue:
  • Automatica (Journal of IFAC)
  • Year:
  • 2008

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Abstract

So far, a major part of the literature on the stabilisation issues of stochastic systems has been dedicated to mean-square stability. This paper develops a new class of criteria for designing a controller to stabilise a stochastic system almost surely which is unable to be stabilised in mean-square sense. The results are expressed in terms of linear matrix inequalities (LMIs) which are easy to be checked in practice by using MATLAB Toolbox. Moreover, the control structure in this paper appears not only in the drift part but also in the diffusion part of the underlying stochastic system.