FTC in presence of disturbances and un-estimable faults

• Autores: Jovan Stefanovski, Ðani Juričić
• Localización: Automatica: A journal of IFAC the International Federation of Automatic Control, ISSN 0005-1098, Nº. 115, 2020
• Idioma: inglés
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• Resumen

  • The problem of fault tolerant control (FTC) with simultaneous faults, which are un-estimable, in presence of disturbance, is considered in this paper. Since this problem is hard, in order to allow its solvability, a class of plants is considered that satisfies an assumption on its outputs. For that class, it is shown that the fault vector can be replaced by a signal of reduced dimension, which is estimable. Then a minimal realization of an FTC controller based on the latter estimation is constructed. An illustrative example is given, which compares the controller of this paper with other controllers.