Beck, Mark ; Schwung, Andreas ; Münchhof, Marco ; Isermann, Rolf (2023):
Active fault tolerant control of an electro-hydraulic servo axis with a duplex-valve-system. (Publisher's Version)
In: IFAC Proceedings Volumes, 43 (18), pp. 660-668. IFAC - International Federation of Automatic Control, ISSN 1474-6670,
DOI: 10.26083/tuprints-00023320,
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| Item Type: | Article |
|---|---|
| Origin: | Secondary publication service |
| Status: | Publisher's Version |
| Title: | Active fault tolerant control of an electro-hydraulic servo axis with a duplex-valve-system |
| Language: | English |
| Abstract: | In this paper fault detection, fault diagnosis and active fault tolerant control of an electro-hydraulic servo-axis with a duplex-valve-system are described. The fault detection is based on parity equations. The semi-physical models allow the detection of even small faults in the hydraulic system. The fault diagnosis used on the testbed is based on fuzzy-logic. In order to tolerate a failed hydraulic proportional valve, a duplex-valve-system built up with standard direct-driven proportional valves is applied. The fault management module allows the supervision of the hydraulic servo axis and decides on reconfiguration and fault accomodation of the control-loop. The Internal Model Control (IMC)-tracking control structure used for reconfiguration allows bumpless transfer between controllers. Experimental results show the industrial applicability of the approach. |
| Journal or Publication Title: | IFAC Proceedings Volumes |
| Volume of the journal: | 43 |
| Issue Number: | 18 |
| Place of Publication: | Darmstadt |
| Publisher: | IFAC - International Federation of Automatic Control |
| Uncontrolled Keywords: | Fault Detection, Fault Diagnosis, Fault Tolerance, Fault Accomodation, Electro-hydraulic Servo Axis, 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 18 Department of Electrical Engineering and Information Technology > Institut für Automatisierungstechnik und Mechatronik > Regelungstechnik und Prozessautomatisierung |
| Date Deposited: | 08 Mar 2023 14:03 |
| Last Modified: | 26 May 2023 07:47 |
| DOI: | 10.26083/tuprints-00023320 |
| Corresponding Links: | |
| URN: | urn:nbn:de:tuda-tuprints-233209 |
| Additional Information: | Zugl. Konferenzveröffentlichung: 5th IFAC Symposium on Mechatronic Systems, 13.-15.09.2010, Cambridge, USA |
| URI: | https://tuprints.ulb.tu-darmstadt.de/id/eprint/23320 |
| PPN: | 508031524 |
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