Investigation of Lateral Compression Effects in Fiber Reinforced Soft Pneumatic Actuators

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OriginalspracheEnglisch
Titel des Sammelwerks2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering
UntertitelICECCME
Herausgeber (Verlag)Institute of Electrical and Electronics Engineers Inc.
ISBN (elektronisch)9781665470957
ISBN (Print)978-1-6654-7096-4
PublikationsstatusVeröffentlicht - 2022
Veranstaltung2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering - Male, Malediven
Dauer: 16 Nov. 202218 Nov. 2022

Abstract

Soft material robotic systems are a comparably new field of research. In contrast to classical robots, soft material robotic systems (SMRS) are characterized by their low stiffness. This gives them a high degree of flexibility and compliance. The associated inherent safety makes them a promising technology for applications which require human-machine interaction or a high level of adaptability. Still there exists no generic methodology for modeling and control of these systems. One approach is to use the sophisticated Finite Element Method (FEM) or classical beam models. This paper deals with the modeling of fiber reinforced soft pneumatic actuators (SPAs). We present an approach to convert the input pressure to equivalent forces and to implement them into a Cosserat rod model. FE analyses provide a high level of detail, thus, they indicate a strong influence of compression effects on the chamber wall. We consider the forces resulting from this lateral compression when setting up a Cosserat rod model. Identification of the rod's parameters and subsequent validation against FE simulations show good accordance up to a certain pressure limit. The influence of geometrical features on the compression effect is demonstrated and quantified by a compression factor α.

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Investigation of Lateral Compression Effects in Fiber Reinforced Soft Pneumatic Actuators. / Berthold, Rebecca; Wiese, Mats; Raatz, Annika.
2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering: ICECCME. Institute of Electrical and Electronics Engineers Inc., 2022.

Publikation: Beitrag in Buch/Bericht/Sammelwerk/KonferenzbandAufsatz in KonferenzbandForschungPeer-Review

Berthold, R, Wiese, M & Raatz, A 2022, Investigation of Lateral Compression Effects in Fiber Reinforced Soft Pneumatic Actuators. in 2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering: ICECCME. Institute of Electrical and Electronics Engineers Inc., 2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering, Male, Malediven, 16 Nov. 2022. https://doi.org/10.1109/ICECCME55909.2022.9988565
Berthold, R., Wiese, M., & Raatz, A. (2022). Investigation of Lateral Compression Effects in Fiber Reinforced Soft Pneumatic Actuators. In 2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering: ICECCME Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ICECCME55909.2022.9988565
Berthold R, Wiese M, Raatz A. Investigation of Lateral Compression Effects in Fiber Reinforced Soft Pneumatic Actuators. in 2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering: ICECCME. Institute of Electrical and Electronics Engineers Inc. 2022 doi: 10.1109/ICECCME55909.2022.9988565
Berthold, Rebecca ; Wiese, Mats ; Raatz, Annika. / Investigation of Lateral Compression Effects in Fiber Reinforced Soft Pneumatic Actuators. 2022 International Conference on Electrical, Computer, Communications and Mechatronics Engineering: ICECCME. Institute of Electrical and Electronics Engineers Inc., 2022.
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AU - Berthold, Rebecca

AU - Wiese, Mats

AU - Raatz, Annika

N1 - Funding Information: Funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation)∗ under grant no. 405032969. Both authors contributed euqally to this work.

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N2 - Soft material robotic systems are a comparably new field of research. In contrast to classical robots, soft material robotic systems (SMRS) are characterized by their low stiffness. This gives them a high degree of flexibility and compliance. The associated inherent safety makes them a promising technology for applications which require human-machine interaction or a high level of adaptability. Still there exists no generic methodology for modeling and control of these systems. One approach is to use the sophisticated Finite Element Method (FEM) or classical beam models. This paper deals with the modeling of fiber reinforced soft pneumatic actuators (SPAs). We present an approach to convert the input pressure to equivalent forces and to implement them into a Cosserat rod model. FE analyses provide a high level of detail, thus, they indicate a strong influence of compression effects on the chamber wall. We consider the forces resulting from this lateral compression when setting up a Cosserat rod model. Identification of the rod's parameters and subsequent validation against FE simulations show good accordance up to a certain pressure limit. The influence of geometrical features on the compression effect is demonstrated and quantified by a compression factor α.

AB - Soft material robotic systems are a comparably new field of research. In contrast to classical robots, soft material robotic systems (SMRS) are characterized by their low stiffness. This gives them a high degree of flexibility and compliance. The associated inherent safety makes them a promising technology for applications which require human-machine interaction or a high level of adaptability. Still there exists no generic methodology for modeling and control of these systems. One approach is to use the sophisticated Finite Element Method (FEM) or classical beam models. This paper deals with the modeling of fiber reinforced soft pneumatic actuators (SPAs). We present an approach to convert the input pressure to equivalent forces and to implement them into a Cosserat rod model. FE analyses provide a high level of detail, thus, they indicate a strong influence of compression effects on the chamber wall. We consider the forces resulting from this lateral compression when setting up a Cosserat rod model. Identification of the rod's parameters and subsequent validation against FE simulations show good accordance up to a certain pressure limit. The influence of geometrical features on the compression effect is demonstrated and quantified by a compression factor α.

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