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생체모방형 물고기 로봇 ‘익투스’의 동적 해석을 위한 DOE를 이용한 입력파라미터 최적화
정창현(Chang-Hyun Chung),이상효(Sang-Hyo Lee),김경식(Kyoung-Sik Kim),차유성(You-Sung Cha),류영선(Young-Sun Ryuh) 제어로봇시스템학회 2010 제어·로봇·시스템학회 논문지 Vol.16 No.8
Recently, there is a rising interest on studying bio-inspired robotic fish because of real fish’s great maneuverability and high energy efficiency. However, the researches about the robotic fish have not been done so much and there are still lots of problems to use them in the real environment such as in the river. This paper describes a bio-inspired robotic fish ‘Ichthus’ which is developed in KITECH and has 3 DOF propulsive mechanism. We develop the dynamic motion equation of ‘Ichthus’ in the underwater environment and analyze response characteristics of ‘Ichthus’ according to the input parameters of tail fin’s amplitude and oscillation frequency. Then we propose control parameters at the various velocities. These parameters are useful to increase energy efficiency and it can be used when the fish robot moves in the real environment, for example, we can propose proper amplitude and oscillation frequency when the fish robot passes through the narrow space between obstacles.