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Fault-tolerant control of an electro-hydraulic servo axes with a duplex-valve-system

Beck, Mark ; Schwung, Andreas ; Münchhof, Marco ; Isermann, Rolf (2023):
Fault-tolerant control of an electro-hydraulic servo axes with a duplex-valve-system. (Publisher's Version)
In: IFAC Proceedings Volumes, 44 (1), pp. 9425-9433. IFAC - International Federation of Automatic Control, ISSN 1474-6670,
DOI: 10.26083/tuprints-00023319,
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Item Type: Article
Origin: Secondary publication service
Status: Publisher's Version
Title: Fault-tolerant control of an electro-hydraulic servo axes with a duplex-valve-system
Language: English
Abstract:

This paper presents fault detection, fault diagnosis, the fault-tolerant control of an electro-hydraulic servo axes with a duplex-valve-system. The fault detection is based on parity equations and is load independent. The semi-physical models allow the detection of even small faults in the hydraulic system. The fault diagnosis used at the testbed is based on fuzzy-logic. In order to tolerate a faulty hydraulic proportional valve, a duplex-valve-system built up with standard proportional valves is applied. The fault management module allows the supervision of the hydraulic servo axes and decides on the reconfiguration of the control-loop. An Internal Model Control (IMC)-tracking control structure for bumpless transfer between controllers is presented. Experimental results show the industrial applicability of the approach.

Journal or Publication Title: IFAC Proceedings Volumes
Volume of the journal: 44
Issue Number: 1
Place of Publication: Darmstadt
Publisher: IFAC - International Federation of Automatic Control
Uncontrolled Keywords: Fault Detection, Fault Diagnosis, Fault Tolerance, Electro-hydraulic Servo Axes, Duplex-valve-system, Active Fault-Tolerant Control, Reconfiguration, Bumpless-Transfer
Classification DDC: 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften und Maschinenbau
Divisions: 18 Department of Electrical Engineering and Information Technology > Institut für Automatisierungstechnik und Mechatronik > Control Methods and Intelligent Systems
Date Deposited: 08 Mar 2023 14:01
Last Modified: 26 May 2023 07:44
DOI: 10.26083/tuprints-00023319
Corresponding Links:
URN: urn:nbn:de:tuda-tuprints-233196
Additional Information:

Zugl. Konferenzveröffentlichung: 18th IFAC World Congress, 28.08.-02.09.2011, Milano, Italy

URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/23319
PPN: 507994884
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