Hybrid feedback stabilization of systems with quantized signals

被引:758
作者
Liberzon, D [1 ]
机构
[1] Univ Illinois, Coordinated Sci Lab, Urbana, IL 61801 USA
基金
美国国家科学基金会;
关键词
quantization; hybrid control; Lyapunov function; input-to-state stability;
D O I
10.1016/S0005-1098(03)00151-1
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper is concerned with global asymptotic stabilization of continuous-time systems subject to quantization. A hybrid control strategy originating in earlier work (Brockett and Liberzon, IEEE Trans. Automat. Control 45 (2000) 1279) relies on the possibility of making discrete on-line adjustments of quantizer parameters. We explore this method here for general nonlinear systems with general types of quantizers affecting the state of the system, the measured output, or the control input. The analysis involves merging tools from Lyapunov stability, hybrid systems, and input-to-state stability. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1543 / 1554
页数:12
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