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Towards Ultrasonically Actuated Programmable Polymorphic Soft Actuator
- Authors
- Nam, JuHong; Oh, Youngju; Byun, Eunjeong; Joo, Eunseo; Jeong, Soryeong; Kim, Esther; Kim, Bongjun; Song, Seung Hyun
- Issue Date
- Jan-2021
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Hydrogel; Polymorphic Soft Actuator; Ultrasound
- Citation
- Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), v.2021-January, pp 720 - 723
- Pages
- 4
- Journal Title
- Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
- Volume
- 2021-January
- Start Page
- 720
- End Page
- 723
- ISSN
- 1084-6999
- Abstract
- The development of an untethered soft actuator that can perform complex task under external control is highly desirable. In this work, we present an ultrasonically actuated programmable polymorphic soft actuator scheme and demonstrate the untethered polymorphic actuation of the proof-of-concept device. The ultrasonic actuation is enabled through converting the incoming ultrasonic energy to thermal energy by the Joule heating. The temperature increase triggers shrinking of the thermally responsive hydrogel/polymer bimorph. By employing two ultrasonic receivers with different resonant frequencies (frequency coding), we demonstrated 4 different motions of the actuator. ? 2021 IEEE.
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Related Researcher
- Kim, Bong Jun
- 첨단소재·전자융합공학부 (지능형전자시스템전공)