Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/95166
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Type: Journal article
Title: Fault-tolerant sliding-mode-observer synthesis of markovian jump systems using quantized measurements
Author: Shi, P.
Liu, M.
Zhang, L.
Citation: IEEE Transactions on Industrial Electronics, 2015; 62(9):5910-5918
Publisher: IEEE
Issue Date: 2015
ISSN: 0278-0046
1557-9948
Statement of
Responsibility: 
Peng Shi, Ming Liu, and Lixian Zhang
Abstract: This paper investigates the design problem of sliding mode observer (SMO) using quantized measurements for a class of Markovian jump systems against actuator faults. Such a problem arises in modern networked-based digital systems, where data have to be transmitted and exchanged over a digital communication channel. In this paper, a new descriptor SMO approach using quantized signals is presented, in which a discontinuous input is synthesized to reject actuator faults by an offline static compensation of quantization effects. It is revealed that the lower bound on the density of a logarithmic quantizer is 1/3, under which the quantization effects could be compensated completely by using the SMO approach. Based on the proposed observer method, the asymptotical estimations of state vector and quantization errors can be obtained simultaneously. Finally, an example of a linearized model of an F-404 aircraft engine system is included to show the effectiveness of the presented observer design method.
Keywords: Actuator fault; Markovian jumping parameters; quantization; sliding-mode observer (SMO); state estimation
Rights: © 2015 IEEE.personal use is permitted, but republication/redistribution requires IEEE permission
RMID: 0030033762
DOI: 10.1109/TIE.2015.2442221
Appears in Collections:Electrical and Electronic Engineering publications

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