A Decoding Approach to Fault Tolerant Control of Linear Systems with Quantized Disturbance Input

Details A Decoding Approach to Fault Tolerant Control of Linear Systems with Quantized Disturbance Input A Decoding Approach to Fault Tolerant Control of Linear Systems with Quantized Disturbance Input

2010-11-12

arxiv.org/abs/1011.2989v1

Mathematics

Optimization and Control

Scientific paper

The aim of this paper is to propose an alternative method to solve a Fault Tolerant Control problem. The model is a linear system affected by a disturbance term: this represents a large class of technological faulty processes. The goal is to make the system able to tolerate the undesired perturbation, i.e., to remove or at least reduce its negative effects; such a task is performed in three steps: the detection of the fault, its identification and the consequent process recovery. When the disturbance function is known to be \emph{quantized} over a finite number of levels, the detection can be successfully executed by a recursive \emph{decoding} algorithm, arising from Information and Coding Theory and suitably adapted to the control framework. This technique is analyzed and tested in a flight control issue; both theoretical considerations and simulations are reported.

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