期刊
AUTOMATICA
卷 44, 期 11, 页码 2754-2765出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.automatica.2008.03.031
关键词
Control allocation; Adaptive control; Nonlinear systems; Cascaded systems; Optimization
In this work we address the control allocation problem for a nonlinear over-actuated time-varying system where parameters affine in the effector model may be assumed unknown. Instead of optimizing the control allocation at each time instant, a dynamic approach is considered by constructing update-laws that represent asymptotically optimal allocation search and adaptation. Using Lyapunov analysis for cascaded set-stable systems, uniform global/local asymptotic stability is guaranteed for the sets described by the system, the optimal allocation update-law and the adaptive update-law. (C) 2008 Elsevier Ltd. All rights reserved.
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