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18 April 2022 Chemical auto-inflation of DEA space robots
Joseph Ashby, Samuel Rosset, E.-F. Markus Henke, Iain A. Anderson
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Proceedings Volume PC12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV; PC1204206 (2022) https://doi.org/10.1117/12.2613893
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States
Abstract
Inflatable soft robots powered by dielectric elastomer actuators show promise for extra-terrestrial applications. These must be stowed in a deflated configuration for launch, necessitating a method for inflation. Traditional methods, such as stored compressed gas, introduce unwanted mass, volume, and rigidity. Gas Forming Reactions offer an alternative mechanism. Isolating citric acid in a silicone membrane creates a soft balloon which can be safely placed inside a soft structure and surrounded by bicarbonate. By adding an electrical connection inside and a soft electrode to the exterior we can electronically rupture the balloon to release the acid and trigger inflation.
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Joseph Ashby, Samuel Rosset, E.-F. Markus Henke, and Iain A. Anderson "Chemical auto-inflation of DEA space robots", Proc. SPIE PC12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV, PC1204206 (18 April 2022); https://doi.org/10.1117/12.2613893
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KEYWORDS
Space robots
Dielectric breakdown
Silicon
Electrodes
Gases
Humidity
Modeling
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