Joint state and event observers for linear switching systems under irregular sampling

Authors:
Le Yi Wang;Wei Feng;G. George Yin
Affiliations:
Department of Electrical and Computer Engineering, Wayne State University, Detroit, MI 48202, United States;Department of Mathematics, Shandong Agricultural University, China;Department of Mathematics, Wayne State University, Detroit, MI 48202, United States
Venue:
Automatica (Journal of IFAC)
Year:
2013

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Abstract

Joint estimation of states and events in linear regime-switching systems is studied under irregular sampling schemes which stem from improved sampling and quantization methods for efficient utility of communication resources. Joint observability and sampling complexity are established, extending Shannon's sampling theorem and our recent results on sampling complexity to joint estimation problems. Observer design and convergence analysis are conducted for systems under noisy observations. It is shown that our algorithms converge strongly with an error bound of the order O(1/N). Simulation examples are included to illustrate potential usages of the algorithms.