High strain Peano-HASEL actuators (Conference Presentation)

Shane K. Mitchell; Xingrui Wang; Ellen Rumley; Philipp Rothemund; Hyeong-Joon Joo; Christoph Keplinger

doi:10.1117/12.2557123

24 April 2020 High strain Peano-HASEL actuators (Conference Presentation)

Shane K. Mitchell, Xingrui Wang, Ellen Rumley, Philipp Rothemund, Hyeong-Joon Joo, Christoph Keplinger

Proceedings Volume 11375, Electroactive Polymer Actuators and Devices (EAPAD) XXII; 113750Z (2020) https://doi.org/10.1117/12.2557123
Event: SPIE Smart Structures + Nondestructive Evaluation, 2020, Online Only

Abstract

Hydraulically amplified self-healing electrostatic (HASEL) actuators provide a framework to create soft robots with excellent strength, speed, and versatility. Peano-HASEL actuators produce fast and powerful linear contraction and achieve a maximum strain of ~15%. However, skeletal muscle achieves ~20% strain on average. Here, high strain Peano-HASELs (HS-Peano-HASELs) are introduced that achieve linear contraction up to ~ 24%. We investigate a wide range of performance metrics for HS-Peano-HASELs constructed with different materials and geometries. Furthermore, HS-Peano-HASELs are used as a tubular pump, resembling the primordial heart of an ascidian. Additionally, a strain amplifying pulley system is introduced to increase the maximum strain to ~42%.

Conference Presentation

Citation Download Citation

Shane K. Mitchell, Xingrui Wang, Ellen Rumley, Philipp Rothemund, Hyeong-Joon Joo, and Christoph Keplinger "High strain Peano-HASEL actuators (Conference Presentation)", Proc. SPIE 11375, Electroactive Polymer Actuators and Devices (EAPAD) XXII, 113750Z (24 April 2020); https://doi.org/10.1117/12.2557123

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