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Stability overlay for adaptive control laws
DOI:10.1016/j.automatica.2011.01.068.png)
摘要
En 中文
This paper proposes an architecture referred to as Stability Overlay (SO) for adaptive control of a class of nonlinear time-varying plants. The SO can be implemented in parallel with a wide range of performance-based adaptive control laws, i.e., adaptive control laws that seek to improve closed-loop performance, but may be susceptible to instability in the presence of unaccounted model uncertainty. In this architecture, the performance-based adaptive control law designates candidate controllers based on performance considerations, while the SO supervises this selection based upon online robust stability considerations. A particular selection of a performance-based adaptive control law is not specified. Rather, this selection can be from a wide range of adaptive control schemes. This paper provides stability proofs for the SO architecture and presents a simulation that illustrates the applicability of the proposed method. (C) 2011 Elsevier Ltd. All rights reserved.
Keyword:
Robust adaptive control
Time-varying systems
Robust stability
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期刊
IF:
5.9
论文数:
1.2W
被引数:
5.2W

