Research for Artificial Muscle Manipulator using 1ms High-speed Visual Feedback
| Project/Area Number |
15560231
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Intelligent mechanics/Mechanical systems
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| Research Institution | RIKEN |
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Principal Investigator |
NAKABO Yoshihiro RIKEN, Biologically Integrative Sensors Laboratory, Researcher, 生物型感覚統合センサー研究チーム, 研究員 (70360609)
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| Co-Investigator(Kenkyū-buntansha) |
MUKAI Toshiharu RIKEN, Biologically Integrative Sensors Laboratory, Team Leader, 生物型感覚統合センサー研究チーム, チームリーダー (80281632)
ASAKA Kinji The Special Division for Human Life Technology, 人間系特別研究体, 主任研究員 (10184136)
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| Project Period (FY) |
2003 – 2004
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| Project Status |
Completed (Fiscal Year 2004)
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| Budget Amount *help |
¥3,000,000 (Direct Cost: ¥3,000,000)
Fiscal Year 2004: ¥1,400,000 (Direct Cost: ¥1,400,000)
Fiscal Year 2003: ¥1,600,000 (Direct Cost: ¥1,600,000)
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| Keywords | Artificial Muscle / Polymer Actuator / Soft Actuator / Visual Feedback / High-pressure Environment / Deep-sea Robot / Bio-mimetic Robot / Snake-like Swimming Machine / 超高速ビジョンシステム / 柔軟マニピュレータ / 柔軟マニピュレーション / ビジュアルサーボ |
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| Research Abstract |
An artificial muscle is an ionic polymer-metal composite(IPMC) which is made out of a high polymer gel film whose surface is plated with gold. Our goal is to realize bio-inspired soft robots, for example, a snake-like swimming robot or multi-degree-of-freedom(DOF) micro-robot manipulator.
To realize a snake-like or a multi-DOF bending motion, we cut electrodes on the surface of the actuator in order to control each segment individually. We have developed a variety of motions from this patterned actuator including a snake-like motion. We have also proposed kinematic modeling of the manipulator which simply describes various multi-DOF motions of the artificial muscle. This model is applied to visual feedback control of the manipulator system using a Jacobian control method. For the feedback control, we have developed a visual sensing system using a 1ms high-speed vision system which has a fast enough response to capture the fast actuator motion. We have also made the device swim freely forward and backward by finding the optimal voltage, phase and frequency.
On the other hand, we have investigated the bending response of an IPMC artificial muscle in high-pressure water environments, with future applications in deep-sea actuators and robots. The artificial muscles have an advantage over electric motors because they do not need sealing from water, which is difficult in high-pressure water environments. From experiments, there was found to be almost no difference with that at normal water pressure.
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Report
(3 results)
Research Products
(25 results)
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[Journal Article] Biomimetic Soft Robot Using Artificial Muscle2004
Author(s)
Yoshihiro Nakabo, Toshiharu Mukai, koji Ogawa, Noboru Ohnishi, Kinji Asaka
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Journal Title
IEEE/RSJ Int.Conf.Intelligent Robots and Systems(IROS 2004)(Sendai,2004.9.28-10.2) in tutorial WTP3 "Electro-Active Polymer for Use in Robotics"
Description
「研究成果報告書概要(欧文)」より
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[Journal Article] A Snake-like swimming artificial muscle
Author(s)
Koji Ogawa, Yoshihiro Nakabo, Toshiharu Mukai, Kinji Asaka, Noboru Ohnishi
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Journal Title
Video Proceedings of IEEE Int.Conf.Robotics and Automation (ICRA 2005)(Barcelona,2005.4.18-22) (to appear)
Description
「研究成果報告書概要(欧文)」より
Related Report
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