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Licensed Unlicensed Requires Authentication Published by De Gruyter 2020

On Fault Tolerant Control of Wheeled Mobile Robot Based on Fast Adaptive Fault Estimation Algorithm

From the book Systems, Automation, and Control

  • O. Hrizi , B. Boussaid , A. Zouinkhi , C. Aubrun and M. N. Abdelkrim

Abstract

This work studies the problem of fault detection and estimation using a Fast Adaptive Observer algorithm and it introduces then a procedure for the design of reconfigurable linear quadratic (LQ) state-feedback control tolerant to actuator fault. Then, to overcome the drawback of wheeled mobile robot’s model responses when including a fault, a Fast Adaptive Fault Estimation (FAFE) algorithm is adopted for this robot to improve the fault estimation and thereafter to repair its trajectory. It is a reasonable safety strategy since the robot may be moving, detecting, isolating and tracking the path again. That’s why a numerical example on a linearized model describing a mobile robot such as the Pioneer robot is proposed to illustrate the theoretical results.

© 2019 Walter de Gruyter GmbH, Berlin/Munich/Boston
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