Fault-tolerant control method for actuator and component faults applied to a hydraulic system

Jean Christophe Ponsart; Didier Theilliol; Hassan Noura

doi:10.23919/ecc.2001.7076052

Fault-tolerant control method for actuator and component faults applied to a hydraulic system

Jean Christophe Ponsart, Didier Theilliol, Hassan Noura

Department of Electrical and Communication Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

In this paper, a fault-tolerant control method is developed for actuator and component faults. Its principle is based on the on-line nonlinear estimation of a quantity which is equal to zero in the fault-free case and equal to the fault-magnitude when a fault occurs on the system. This estimation is computed from an extended Kalman filter used as an observer. The interest of the method is to consider a nonlinear model of the system, controlled with an exact linearization input-output by state feedback. Then a new control law is added to the nominal one in order to compensate the fault effect on the system. The performances of the method are tested in simulation on a hydraulic system.

Original language	English
Title of host publication	2001 European Control Conference, ECC 2001
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1044-1049
Number of pages	6
ISBN (Electronic)	9783952417362
DOIs	https://doi.org/10.23919/ecc.2001.7076052
Publication status	Published - 2001
Event	6th European Control Conference, ECC 2001 - Porto, Portugal Duration: Sept 4 2001 → Sept 7 2001

Publication series

Name	2001 European Control Conference, ECC 2001

Other

Other	6th European Control Conference, ECC 2001
Country/Territory	Portugal
City	Porto
Period	9/4/01 → 9/7/01

Keywords

fault compensation
fault estimation
fault-tolerant control
nonlinear system
three-tank system

ASJC Scopus subject areas

Control and Systems Engineering

Access to Document

10.23919/ecc.2001.7076052

Cite this

Fault-tolerant control method for actuator and component faults applied to a hydraulic system. / Ponsart, Jean Christophe; Theilliol, Didier; Noura, Hassan.
2001 European Control Conference, ECC 2001. Institute of Electrical and Electronics Engineers Inc., 2001. p. 1044-1049 7076052 (2001 European Control Conference, ECC 2001).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Ponsart, JC, Theilliol, D & Noura, H 2001, Fault-tolerant control method for actuator and component faults applied to a hydraulic system. in 2001 European Control Conference, ECC 2001., 7076052, 2001 European Control Conference, ECC 2001, Institute of Electrical and Electronics Engineers Inc., pp. 1044-1049, 6th European Control Conference, ECC 2001, Porto, Portugal, 9/4/01. https://doi.org/10.23919/ecc.2001.7076052

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N2 - In this paper, a fault-tolerant control method is developed for actuator and component faults. Its principle is based on the on-line nonlinear estimation of a quantity which is equal to zero in the fault-free case and equal to the fault-magnitude when a fault occurs on the system. This estimation is computed from an extended Kalman filter used as an observer. The interest of the method is to consider a nonlinear model of the system, controlled with an exact linearization input-output by state feedback. Then a new control law is added to the nominal one in order to compensate the fault effect on the system. The performances of the method are tested in simulation on a hydraulic system.

AB - In this paper, a fault-tolerant control method is developed for actuator and component faults. Its principle is based on the on-line nonlinear estimation of a quantity which is equal to zero in the fault-free case and equal to the fault-magnitude when a fault occurs on the system. This estimation is computed from an extended Kalman filter used as an observer. The interest of the method is to consider a nonlinear model of the system, controlled with an exact linearization input-output by state feedback. Then a new control law is added to the nominal one in order to compensate the fault effect on the system. The performances of the method are tested in simulation on a hydraulic system.

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KW - fault-tolerant control

KW - nonlinear system

KW - three-tank system

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Fault-tolerant control method for actuator and component faults applied to a hydraulic system

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Keywords

ASJC Scopus subject areas

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