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Hexapedal Robotic Platform for Amphibious Locomotion on Ground and Water Surface 被引量:5
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作者 HyunGyu Kim donggyu lee +2 位作者 Yanheng Liu Kyungmin Jeong TaeWon Seo 《Journal of Bionic Engineering》 SCIE EI CSCD 2016年第1期39-47,共9页
Bio-inspiration is a starting point from which to design engineering products by learning the secrets of living creatures. We present the design, analysis, and experimental results of a robotic platform inspired by th... Bio-inspiration is a starting point from which to design engineering products by learning the secrets of living creatures. We present the design, analysis, and experimental results of a robotic platform inspired by the basilisk lizard, which is well known for its ability to run on water surface. The goal is to develop a robotic platform for amphibious locomotion on ground and water using a single configuration. A tripod gait is achieved with a hexapedal configuration and four-bar-based repeated motion of the legs. The hexapedal configuration is empirically proven to have an advantage in terms of rolling stability on water. On ground, the tripod gait can satisfy the requirements of static stability to make the center of gravity and center of pressure occur at the same position. The footpad design was determined based on an empirical study of the rolling stability and lifting force. The theoretical background and experimental results are presented to validate the ability of the proposed design to run on water and on the ground. 展开更多
关键词 amphibious locomotion bio-inspiration hexapedal empirical study water-running robot
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Experimental Study on Drag-induced Balancing via a Static Tail for Water-running Robots 被引量:1
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作者 donggyu lee HyunGyu Kim TaeWon Seo 《Journal of Bionic Engineering》 SCIE EI CSCD 2016年第4期537-543,共7页
Robotics is one area of research in which bio-inspiration is an effective way to design a system by investigating the working principles of nature. Recently, tails have received interest in robotics to increase stabil... Robotics is one area of research in which bio-inspiration is an effective way to design a system by investigating the working principles of nature. Recently, tails have received interest in robotics to increase stability and maneuverability. In this study, we investigated the effectiveness of a static tail for bio-inspired water-running locomotion. The tail was added to increase the stability in the rolling and yawing directions based on the hydrodynamic force from interaction between the tail and the water. The drag coefficient in the interaction is not easy to calculate analytically, so experimental studies were done for various static tail shapes. Five different shapes and compliances in two directions were considered for experimental design candidates. The result was applied to design a stable amphibious robot that can run on ground and water surfaces. 展开更多
关键词 bio-inspiration water-running robot static tail stability hydrodynamic balancing basilisk lizard
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