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arXiv · 1803.05121

Linear Quadratic Optimal Control and Stabilization for Discrete-time Markov Jump Linear Systems

Chunyan Han·Hongdan Li·Wei Wang·Huanshui Zhang
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Abstract

This paper mainly investigates the optimal control and stabilization problems for linear discrete-time Markov jump systems. The general case for the finite-horizon optimal controller is considered, where the input weighting matrix in the performance index is just required to be positive semi-definite. The necessary and sufficient condition for the existence of the optimal controller in finite-horizon is given explicitly from a set of coupled difference Riccati equations (CDRE). One of the key techniques is to solve the forward and backward stochastic difference equation (FDSDE) which is obtained by the maximum principle. As to the infinite-horizon case, we establish the necessary and sufficient condition to stabilize the Markov jump linear system in the mean square sense. It is shown that the Markov jump linear system is stabilizable under the optimal controller if and only if the associated couple algebraic Riccati equation (CARE) has a unique positive solution. Meanwhile, the optimal controller and optimal cost function in infinite-horizon case are expressed explicitly.

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Chunyan Han, Hongdan Li, Wei Wang, Huanshui Zhang. 2018-03-14. Linear Quadratic Optimal Control and Stabilization for Discrete-time Markov Jump Linear Systems. https://arxiv.org/abs/1803.05121

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