A novel implementation of supervisory based Fault Tolerant Control

Tushar Jain (1) , Joseph Julien Yamé (1) , Dominique Sauter (1)

1 CRAN - Centre de Recherche en Automatique de Nancy

In this note, we discuss a performance-based supervisor for the fault tolerant control (FTC).We conduct the notion of stability, which is often misinterpreted in our approach with the classical arbitrary switching control. Moreover, we only deal with the trajectories generated by the system in real time and we do not have any access to plant parameters, states of the system etc. Thus, we clearly distinguished this notion employed in both the approaches. A novel switching logic is also proposed that root out the problems seen in while utilizing fixed dwell-time switching, and hysteresis switching logic in the supervisor. The proposed structure serves a significant purpose for real-time model free fault tolerant control. The use of virtual reference tool to analyze the performance of "off-the-shelf" controllers is also highlighted. Thus the explicit use of fault diagnosis module can easily be dropped out in a supervisor based FTC.

Domaines: Automatique

Tushar Jain, Joseph Julien Yamé, Dominique Sauter. A novel implementation of supervisory based Fault Tolerant Control. 2011. ⟨hal-00570360⟩