STATE ESTIMATION FOR FAULTY SYSTEMS

YUAN Zhiguo, WEN Chuanyuan. STATE ESTIMATION FOR FAULTY SYSTEMS[J]. INFORMATION AND CONTROL, 1991, 20(2): 19-25.

Citation:

YUAN Zhiguo, WEN Chuanyuan. STATE ESTIMATION FOR FAULTY SYSTEMS[J]. INFORMATION AND CONTROL, 1991, 20(2): 19-25.

Citation:

YUAN Zhiguo, WEN Chuanyuan. STATE ESTIMATION FOR FAULTY SYSTEMS[J]. INFORMATION AND CONTROL, 1991, 20(2): 19-25.

Abstract

This paper is devoted to the state estimation for faulty systems.An estimation method is proposed.It applies the unknown input observer and inverse system method to the error equations of the failure detection filter to estimate the state variable errors with the output residua being known;therefore,the states of the faulty system are obtained.A simulation example is given to illustrate the method proposed.

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