On fractional order adaptive observer

被引：10
|
作者：
Wei Y.-H. [1 ]
Sun Z.-Y. [2 ]
Hu Y.-S. [1 ]
Wang Y. [1 ]
机构：
[1] Department of Automation, University of Science and Technology of China, Hefei
[2] School of Environmental Science and Optoelectronic Technologies, University of Science and Technology of China, Hefei
来源：
International Journal of Automation and Computing | 2015年 / 12卷 / 06期
基金：
中国国家自然科学基金;
关键词：
adaptive observer; continuous system identification; error compensation; Fractional order systems; parameter estimation;
D O I：
10.1007/s11633-015-0929-3
中图分类号：
学科分类号：
摘要：
This article derives a new scheme to an adaptive observer for a class of fractional order systems. Global asymptotic convergence for joint state-parameter estimation is established for linear time invariant single-input single-output systems. For such fractional order systems, it is proved that all the signals in the resulting closed-loop system are globally uniformly bounded, the state and parameter estimation errors converge to zero. Potential applications of the presented adaptive observer include online system identification, fault detection, adaptive control of fractional order systems, etc. Numerical simulation examples are presented to demonstrate the performance of the proposed adaptive observer. © 2015, Institute of Automation, Chinese Academy of Sciences and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：664 / 670
页数：6
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