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Kim, Dongwon und Lee, Jinoh (2020) Robust Control of a System with a Pneumatic Spring. Journal of the Franklin Institute. Elsevier. doi: 10.1016/j.jfranklin.2020.10.037. ISSN 0016-0032.
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Offizielle URL: http://dx.doi.org/10.1016/j.jfranklin.2020.10.037
Kurzfassung
Abstract: Recently, series elasticity has been realized using pneumatics in human-robot interaction systems. Pneumatic circuits provide not only a flexible power transmission, but also the elastic element in a series elastic actuator (SEA). Pneumatic series elastic systems involve more than twice the number of parameters that influence system behaviors in comparison with rigid robotic systems. In this study, a position controller is proposed for pneumatic SEA systems that eliminates the need of identifying a system model by employing the time delay estimation (TDE) technique. The TDE technique is effective in compensating for system dynamics and all uncertainties involved in system behaviors without imposing computation load. TDE error is cancelled out through an adaptive way, which improves control performance and leads to asymptotic stability. A simulation study demonstrates the robustness of the proposed controllers against uncertainties imposed on the motor system as well as uncertainties on the end-effector. It shows the efficacy of the adaptive compensation for TDE error.
| elib-URL des Eintrags: | https://elib.dlr.de/137448/ | ||||||||||||
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| Dokumentart: | Zeitschriftenbeitrag | ||||||||||||
| Titel: | Robust Control of a System with a Pneumatic Spring | ||||||||||||
| Autoren: |
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| Datum: | November 2020 | ||||||||||||
| Erschienen in: | Journal of the Franklin Institute | ||||||||||||
| Referierte Publikation: | Ja | ||||||||||||
| Open Access: | Ja | ||||||||||||
| Gold Open Access: | Nein | ||||||||||||
| In SCOPUS: | Ja | ||||||||||||
| In ISI Web of Science: | Ja | ||||||||||||
| DOI: | 10.1016/j.jfranklin.2020.10.037 | ||||||||||||
| Verlag: | Elsevier | ||||||||||||
| ISSN: | 0016-0032 | ||||||||||||
| Status: | veröffentlicht | ||||||||||||
| Stichwörter: | Pneumatic system, Series elastic actuator (SEA), robust control, Sampled-data system | ||||||||||||
| HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||
| HGF - Programm: | Raumfahrt | ||||||||||||
| HGF - Programmthema: | Technik für Raumfahrtsysteme | ||||||||||||
| DLR - Schwerpunkt: | Raumfahrt | ||||||||||||
| DLR - Forschungsgebiet: | R SY - Technik für Raumfahrtsysteme | ||||||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | R - Laufroboter/Lokomotion [SY] | ||||||||||||
| Standort: | Oberpfaffenhofen | ||||||||||||
| Institute & Einrichtungen: | Institut für Robotik und Mechatronik (ab 2013) > Analyse und Regelung komplexer Robotersysteme | ||||||||||||
| Hinterlegt von: | Lee, Dr. Jinoh | ||||||||||||
| Hinterlegt am: | 13 Nov 2020 09:34 | ||||||||||||
| Letzte Änderung: | 23 Jul 2022 13:45 |
Verfügbare Versionen dieses Eintrags
- Robust Control of a System with a Pneumatic Spring. (deposited 13 Nov 2020 09:34) [Gegenwärtig angezeigt]
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