Adaptive output-feedback tracking of stochastic nonlinear systems

被引：224
|
作者：
Ji, HB [1 ]
Xi, HS [1 ]
机构：
[1] Univ Sci & Technol China, Dept Automat, Hefei 230026, Anhui, Peoples R China
来源：
IEEE TRANSACTIONS ON AUTOMATIC CONTROL | 2006年 / 51卷 / 02期
关键词：
stability in probability; stochastic adaptive stabilization; stochastic disturbance attenuation;
D O I：
10.1109/TAC.2005.863501
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We address the adaptive stabilization and tracking problems for a class of output feedback canonical systems driven by Wiener noises of unknown covariance. Filtered transformation and backstepping techniques are employed in the stochastic control design. We obtain two adaptive controllers that guarantee the global stability in probability for vanishing perturbations or the input-to-state stability in probability for nonvanishing perturbations respectively. The tracking error can converge to a small residual set around the origin in the sense of mean quartic value.
引用
收藏
页码：355 / 360
页数：6
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