Fault Tolerance for Industrial Actuators in Absence of Accurate Models and Hardware Redundancy

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Abstract

This paper investigates Fault-Tolerant Control for closed-loop systems where only coarse models are available and there is lack of actuator and sensor redundancies. The problem is approached in the form of a typical servomotor in closed-loop. A linear model is extracted from input/output data to describe the system over a frequency range. Two methods based on the Kalman Filter and Statistical Change Detection techniques are proposed for detecting degradation faults and component failures, respectively. Finally, a reference correction setup is used to compensate for degradation faults.
Original languageEnglish
Title of host publicationProceedings of the 2015 IEEE Multi-Conference on Systems and Control (MSC)
PublisherIEEE
Publication date2015
Pages1887-1894
ISBN (Print)9781479977871
DOIs
Publication statusPublished - 2015
Event2015 IEEE Multi-Conference on Systems and Control - Novotel Pacific hotel, Manly, Sydney, Australia
Duration: 21 Sep 201523 Sep 2015

Conference

Conference2015 IEEE Multi-Conference on Systems and Control
LocationNovotel Pacific hotel, Manly
CountryAustralia
CitySydney
Period21/09/201523/09/2015

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