Mr. Haruhiko Watanabe Profile

Haruhiko Watanabe

at DENSO Corp

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Publications (2)

Proceedings Article | 20 April 2022 Presentation + Paper

The origin of contraction of twisted polymer fiber muscles: whether the cause is entropic elasticity or thermal expansion

Daisuke Kimura, Toshihira Irisawa, Kentaro Takagi, Kenji Tahara, Daichi Sakurai, Haruhiko Watanabe, Wataru Takarada, Masatoshi Shioya

Proceedings Volume 12042, 120420P (2022) https://doi.org/10.1117/12.2612843

KEYWORDS: Polymers, Actuators, Crystals, Polymeric actuators, X-rays, X-ray imaging, Scattering

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Proceedings Article | 8 May 2020 Presentation + Paper

On the fluctuation phenomenon of axial thermal stress of a torsional fishing-line artificial muscle (Twisted Polymer Fiber) actuator

Hiroki Iwai, Kentaro Takagi, Chihaya Oiwa, Ken Masuya, Kenji Tahara, Toshihira Irisawa, Masatoshi Shioya, Haruhiko Watanabe, Daichi Sakurai, Kinji Asaka

Proceedings Volume 11375, 113751H (2020) https://doi.org/10.1117/12.2557783

KEYWORDS: Actuators, Polymers, Artificial muscles, Polymeric actuators, Physics, Mathematical modeling, Material characterization

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