Soft Coiled Pneumatic Actuator with Integrated Length-Sensing Function for Feedback Control
Jacob R. Greenwood,
Wyatt Felt
Abstract:SPIRA Coil actuators are formed from thin sheets of PET plastic laminated into a coil shape that unfurls like a “party horn” when inflated, while many soft actuators require large pressures to create only modest strains, SPIRA Coils can easily be designed and fabricated to extend over dramatic distances with relatively low working pressures. Internal metalized PET strips separate in the extended portion of the actuator, creating an electrical circuit with a resistance that corresponds to the actuator length. T… Show more
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