Fault accommodation for linear systems with time-varying delay

Jun-Wei Zhu and Guang-Hong Yang

International Journal of Systems Science, 2017, vol. 48, issue 2, 316-323

Abstract: This paper studies the fault accommodation problem for linear systems with time-varying delay, system uncertainties and external disturbances. A novel intermediate estimator-based fault tolerant control (FTC) scheme is proposed, where an intermediate estimator is constructed to estimate the states and the faults simultaneously, based on the estimation; an FTC compensation scheme is designed to eliminate the effects of faults, system uncertainties and time-varying delay. It is proved that the states of the closed-loop system are uniformly ultimately bounded. A simulation example shows the effectiveness of the proposed method.

Date: 2017
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DOI: 10.1080/00207721.2016.1181222

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