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저속 주행 시 도마뱀 몸체의 편요 움직임을 제어하는 허리 및 꼬리의 움직임 원리
김정률(Jeongryul Kim),김종원(Jong-Won Kim),박재흥(Jaeheung Park),김종원(Jongwon Kim) 제어로봇시스템학회 2013 제어·로봇·시스템학회 논문지 Vol.19 No.7
Mammals such as dogs and cheetahs change their gait from trot to gallop as they run faster. However, lizards always trot for various speeds of running. When mammals run slowly with trot gait, their fore leg and hind leg generate the required force for acceleration or deceleration such that the yaw moments created by these forces cancel each other. On the other hand, when lizards run slowly, their fore legs and hind legs generate the forces for deceleration and acceleration, respectively. In this paper, the yaw motion of a lizard model is controlled by the movement of their waist and tail, and the reaction moment from the ground produced by the hind legs in simulation. The simulation uses the whole body dynamics of a lizard model, which consists of 4 links based on the Callisaurus draconoides. The results show that the simulated trotting of the model is similar to that of a real lizard when the movement of the model is optimized to minimize the reaction moment from the ground. It means that the body of a lizard moves in such a way that the reaction moment from the ground is minimized. This demonstrates our hypothesis on how lizards trot using body motion.
멀티 스케일 다중 전개형 협업 로봇을 위한 요소 기술 개발
주종남(Chong Nam Chu),김한(Haan Kim),김정률(Jeongryul Kim),송성혁(Sung-Hyuk Song),고제성(Je-Sung Koh),허승주(Sungju Huh),하창수(ChangSu Ha),김종원(Jong Won Kim),안성훈(Sung-Hoon Ahn),조규진(Kyu-Jin Cho),홍성수(Seong Soo Hong),이동준(Do Korean Society for Precision Engineering 2013 한국정밀공학회지 Vol.30 No.1