![]() ![]() Purnendu (Purnendu is the researcher’s entire name) was inspired by HASEL (hydraulically amplified self-healing electrostatic) actuators, developed by Christoph Keplinger at CU Boulder and now a commercial product from Artimus Robotics.Įlectriflow was presented at DIS 2021, the the Association for Computing Machinery’s Designing Interactive Systems conference. The results are fast: an insect-like robot created by Purnendu beats its wings at up to ~25Hz “quicker than most real butterflies and on-par with some speedier moths”, said the university. ![]() ![]() The team has settled on three second camber arrangements which create actuators dubbed: hinge-bending (sharp fold shape change), crescent (smooth curved fold) and quarter-moon (sharp fold from an all-soft structure). The edges of the book-like structure are sealed with flexible membranes, and it is filled with silicone oil that is progressively forced out when voltage is applied.Īll of its surfaces of the second chamber are flexible, although some are stretchy and some are not.īy varying which are flexible, various motions can be obtained when oil is forced in. Electrodes are deposited on the outsides of these sheets and, when these are charged to opposing voltages – 10kV is used in the project – electrostatic forces pull the book shut. ![]()
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