Vicari, Andrea und Obayashi, Nana und Stella, Francesco und Raynaud, Gaetan und Mulleners, Karen und Della Santina, Cosimo und Hughes, Josie (2023) Proprioceptive Sensing of Soft Tentacles with Model Based Reconstruction for Controller Optimization. In: 2023 IEEE International Conference on Soft Robotics, RoboSoft 2023, Seiten 1-6. IEEE. 2023 IEEE International Conference on Soft Robotics (RoboSoft), 2023-04-03 - 2023-04-07, Singapore, Singapore. doi: 10.1109/RoboSoft55895.2023.10121999. ISBN 979-835033222-3. ISSN 2769-4526.
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Offizielle URL: https://ieeexplore.ieee.org/document/10121999
Kurzfassung
The success of soft robots in displaying emergent behaviors is tightly linked to the compliant interaction with the environment. However, to exploit such phenomena, proprioceptive sensing methods which do not hinder their softness are needed. In this work we propose a new sensing approach for soft underwater slender structures based on embedded pressure sensors and use a learning-based pipeline to link the sensor readings to the shape of the soft structure. Using two different modeling techniques, we compare the pose reconstruction accuracy and identify the optimal approach. Using the proprioceptive sensing capabilities we show how this information can be used to assess the swimming performance over a number of metrics, namely swimming thrust, tip deflection, and the traveling wave index. We conclude by demonstrating the robustness of the embedded sensor on a free swimming soft robotic squid swimming at a maximum velocity of 9.5 cm/s, with the absolute tip deflection being predicted within an error less than 9% without the aid of external sensors.
elib-URL des Eintrags: | https://elib.dlr.de/197517/ | ||||||||||||||||
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Dokumentart: | Konferenzbeitrag (Vortrag) | ||||||||||||||||
Titel: | Proprioceptive Sensing of Soft Tentacles with Model Based Reconstruction for Controller Optimization | ||||||||||||||||
Autoren: |
*DLR corresponding author | ||||||||||||||||
Datum: | 15 Mai 2023 | ||||||||||||||||
Erschienen in: | 2023 IEEE International Conference on Soft Robotics, RoboSoft 2023 | ||||||||||||||||
Open Access: | Nein | ||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||
In ISI Web of Science: | Ja | ||||||||||||||||
DOI: | 10.1109/RoboSoft55895.2023.10121999 | ||||||||||||||||
Seitenbereich: | Seiten 1-6 | ||||||||||||||||
Verlag: | IEEE | ||||||||||||||||
ISSN: | 2769-4526 | ||||||||||||||||
ISBN: | 979-835033222-3 | ||||||||||||||||
Stichwörter: | soft tentacles | ||||||||||||||||
Veranstaltungstitel: | 2023 IEEE International Conference on Soft Robotics (RoboSoft) | ||||||||||||||||
Veranstaltungsort: | Singapore, Singapore | ||||||||||||||||
Veranstaltungsart: | internationale Konferenz | ||||||||||||||||
Veranstaltungsbeginn: | 3 April 2023 | ||||||||||||||||
Veranstaltungsende: | 7 April 2023 | ||||||||||||||||
Veranstalter : | IEEE | ||||||||||||||||
DLR - Schwerpunkt: | Raumfahrt | ||||||||||||||||
DLR - Forschungsgebiet: | R RO - Robotik | ||||||||||||||||
Standort: | Oberpfaffenhofen | ||||||||||||||||
Institute & Einrichtungen: | Institut für Robotik und Mechatronik (ab 2013) > Analyse und Regelung komplexer Robotersysteme |
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