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Control for Itô Stochastic Systems With Input Delay
Ist Teil von
IEEE transactions on automatic control, 2017-01, Vol.62 (1), p.350-365
Ort / Verlag
New York: IEEE
Erscheinungsjahr
2017
Quelle
IEEE Xplore
Beschreibungen/Notizen
This paper examines the long-standing problem of linear quadratic regulation and stabilization for Itô stochastic systems with input delay. This problem remains a primary challenge because the separation principle does not hold for Itô stochastic systems. This paper presents a complete solution to the problem: 1) The (sufficient and necessary) solvability condition of the optimal control and the analytical controller are given based on the modified Riccati differential equation defined herein. 2) The sufficient and necessary stabilization condition in mean square sense is explored. We show that the Itô stochastic system with input delay is stabilized if and only if the modified algebraic Riccati equation developed in this paper has a unique positive-definite solution. The essential obstacle encountered in this paper concerns a Delayed Forward-Backward Stochastic Differential Equation (D-FBSDE), which is mathematical challenging.