Beckerle, Philipp ; Schültje, F. ; Wojtusch, J. ; Christ, O. (2014)
Implementation, Control and User-Feedback of the Int²Bot for the Investigation of Lower Limb Body Schema Integration.
IEEE International Symposium on Robot and Human Interactive Communication. Edinburgh, Schottland (25.08.2014-29.08.2014)
Konferenzveröffentlichung, Bibliographie
Kurzbeschreibung (Abstract)
The integration of prostheses or wearable robotics into the body schema of their users is a fundamental require- ment for the acceptance and control of such artificial devices. Duration and progress of integration are primarily influenced by visual, tactile, and proprioceptive perception. This paper describes the Int 2 Bot, a robot for the assessment of lower limb body schema integration during postural motion. The robot is designed to imitate human squatting movements to investigate the integration of artificial limbs into the body schema. The psychological and technical concepts as well as the mechatronic implementation and control are presented along with interface extensions comprising human knee position sensing and tactile user-feedback. The performance of the robot is examined by experiments excluding and including the human-robot interface and a human user. Those without interface show that the robot itself can perform considerably fast squats with 0.8 Hz, which comes up to maximum human capabilities. The computed torque control achieves good tracking results and fuzzy-based friction compensation further reduces position errors by up to 50%. Yet, results considering the vision-based part of the human-robot interface show that the setup is mainly limited due to delays in motion acquisition with the RGB-D sensor.
Typ des Eintrags: | Konferenzveröffentlichung |
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Erschienen: | 2014 |
Autor(en): | Beckerle, Philipp ; Schültje, F. ; Wojtusch, J. ; Christ, O. |
Art des Eintrags: | Bibliographie |
Titel: | Implementation, Control and User-Feedback of the Int²Bot for the Investigation of Lower Limb Body Schema Integration |
Sprache: | Englisch |
Publikationsjahr: | 1 August 2014 |
Buchtitel: | Proceedings of IEEE International Symposium on Robot and Human Interactive Communication (RO-MAN) |
Veranstaltungstitel: | IEEE International Symposium on Robot and Human Interactive Communication |
Veranstaltungsort: | Edinburgh, Schottland |
Veranstaltungsdatum: | 25.08.2014-29.08.2014 |
Kurzbeschreibung (Abstract): | The integration of prostheses or wearable robotics into the body schema of their users is a fundamental require- ment for the acceptance and control of such artificial devices. Duration and progress of integration are primarily influenced by visual, tactile, and proprioceptive perception. This paper describes the Int 2 Bot, a robot for the assessment of lower limb body schema integration during postural motion. The robot is designed to imitate human squatting movements to investigate the integration of artificial limbs into the body schema. The psychological and technical concepts as well as the mechatronic implementation and control are presented along with interface extensions comprising human knee position sensing and tactile user-feedback. The performance of the robot is examined by experiments excluding and including the human-robot interface and a human user. Those without interface show that the robot itself can perform considerably fast squats with 0.8 Hz, which comes up to maximum human capabilities. The computed torque control achieves good tracking results and fuzzy-based friction compensation further reduces position errors by up to 50%. Yet, results considering the vision-based part of the human-robot interface show that the setup is mainly limited due to delays in motion acquisition with the RGB-D sensor. |
Fachbereich(e)/-gebiet(e): | 16 Fachbereich Maschinenbau 16 Fachbereich Maschinenbau > Institut für Mechatronische Systeme im Maschinenbau (IMS) 20 Fachbereich Informatik 20 Fachbereich Informatik > Simulation, Systemoptimierung und Robotik Interdisziplinäre Forschungsprojekte Zentrale Einrichtungen Interdisziplinäre Forschungsprojekte > Forschungsprojekte Prothetik |
Hinterlegungsdatum: | 04 Sep 2014 16:39 |
Letzte Änderung: | 08 Feb 2019 08:47 |
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