2P1-K14 圧力駆動式バルーンアクチュエータの屈曲動作から伸縮動作への動作変換機構とその応用

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This paper proposes a novel actuation mechanism for linear expansion and contraction, or telescopic motion by pneumatic balloon actuator (hereafter PBA). PBA is characterized by small, soft, and safe (S^3) features because of its soft and flexible structure and safe driving principle. A single PBA bends due to a tensile force generated by a swelling balloon. Bending motion of PBA is transformed into the telescopic motion by using a paired PBA. Two opposing PBAs are bonded at both ends so as to compose a paired PBA. The paired PBA transforms the bending motion into the telescopic motion. An elemental telescopic motion PBA composed of a paired PBA (2 mm × 11 mm × 400 μm) can generate 15mN contraction force at 150kPa. It is also possible to design serial or parallel connection of the telescopic motion PBA. This paper presents design, fabrication, and characterization of proposed telescopic motion PBA. Medical forceps is demonstrated as promising medical application of the telescopic motion PBA.
一般社団法人日本機械学会の論文
2009-05-25