Self-repairing control based on switching sensors

Authors:
Masanori Takahashi
Affiliations:
Department of Mechanical Systems Engineering, Tokai University, Kumamoto, Japan
Venue:
ACC'09 Proceedings of the 2009 conference on American Control Conference
Year:
2009

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Abstract

In this paper, a new self-repairing control system (SRCS) is developed for nonlinearly-perturbed plants with sensor failures of a stuck-type. The SRCS can automatically replace the faulty sensor with the healthy one if the failure occurs. Under the diverging condition, only a detector of the first order and an auxiliary signal are utilized to detect the failure exactly. Hence, no information about the plant is required. This paper also presents a concrete design method for the detector satisfying the diverging condition. Furthermore, a design of the SRCS based on high-gain feedback is shown.