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- W2029015449 abstract "In late years many kinds of home-use robot have been developed to assist elderly care and housework. Most of theserobots are designed with conventional electromagnetic motors. For safety it is desirable to replace these electromagneticmotors with artificial muscle. However, an actuator for such a robot is required to have simple structure, low drivingvoltage, high stress generation, high durability, and operability in the air. No polymer actuator satisfying all theserequirements has been realized yet. To meet these we took following two approaches focusing on conducting polymeractuators which can output high power in the air.(Approach 1) We have newly developed an actuator by multiply laminating ionic liquid infiltrated separators andpolypyrrole films. Compared with conventional actuator that is driven in a bath of ionic liquid, the new actuator cangreatly increase generated stress since the total sectional area is tremendously small. In our experiment, the new actuatorconsists of minimum unit with thickness of 128um and has work/weight ratio of 0.92J/kg by laminating 9 units in 0.5Hzdriving condition. In addition, the driving experiment has shown a stable driving characteristic even for 10,000 cyclesdurability test. Furthermore, from our design consideration, it has been found that the work/weight ratio can be improvedup to 8J/kg (1/8 of mammalian muscle of 64J/kg) in 0.1Hz by reducing the thickness of each unit to 30um.(Approach 2) In order to realize a simplified actuator structure in the air without sealing, we propose the use of ionicliquid gel. The actuation characteristic of suggested multilayered actuator using ionic liquid gel is simulated bycomputer. The result shows that performance degradation due to the use of ionic liquid gel is negligible small when ionicliquid gel with the elasticity of 3kPa or less is used.From above two results it is concluded that the proposed multilayerd actuator is promising for the future roboticapplications because it has advantages of high work/weight ratio and in-the-air operation, in addition to advantages ofconventional polymer actuators." @default.
- W2029015449 created "2016-06-24" @default.
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- W2029015449 date "2009-03-26" @default.
- W2029015449 modified "2023-09-23" @default.
- W2029015449 title "Development of multilayer conducting polymer actuator for power application" @default.
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- W2029015449 doi "https://doi.org/10.1117/12.815429" @default.
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