Stochastic H2/H∞ Control with Random Coefficients |
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作者姓名: | Meijiao WANG |
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作者单位: | Department of Mathematical Finance and Stochastic Control,School of Mathematical Sciences,FudanUniversity;Faculty of Science,Ningbo University |
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摘 要: | This paper is concerned with the mixed H2/H∞ control for stochastic systems with random coefcients,which is actually a control combining the H2 optimization with the H∞robust performance as the name of H2/H∞ reveals.Based on the classical theory of linear-quadratic(LQ,for short)optimal control,the sufcient and necessary conditions for the existence and uniqueness of the solution to the indefinite backward stochastic Riccati equation(BSRE,for short)associated with H∞ robustness are derived.Then the sufcient and necessary conditions for the existence of the H2/H∞ control are given utilizing a pair of coupled stochastic Riccati equations.
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关 键 词: | Stochastic H∞control Stochastic H2/H∞ control Linear quadratic (LQ) optimal control Indefinite backward stochastic Riccati equation |
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