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관절형 4족 보행로봇용 발의 설계 및 성능시험
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  • 관절형 4족 보행로봇용 발의 설계 및 성능시험
저자명
홍예선,이수영,류시복,이종원,Hong. Ye-Seon,Yi. Su-Yeong,Ryu. Si-Bok,Lee. Jong-Won
간행물명
大韓機械學會論文集. Transactions of the Korean Society of mechanical engineers. A. A
권/호정보
1997년|21권 8호|pp.1250-1258 (9 pages)
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대한기계학회
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기타
이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

This paper reports on the development of a new foot for a quadrupedal jointed-leg type walking robot. The foot has 2 toes, one at the front and the other at the rear side, for stable landing on uneven ground by point contact. The toes can move up and down independantly, guided by double-wishbone shaped parallel links which enable the lower leg to rotate with respect to a remote center on the ground surface. The motion of each toe is damped by a hydropneumatic shock absorber integrated in the foot in order to absorb the dynamic landing shock. Furthermore, the new foot can reduce the maximum hip joint drive torque by shortening the moment arm length between the hip joint and the landing force vector on the ground. Intensive experiments were carried out in this study by using a one-leg walking model to investigate the soft landing performance of the foot which could be hardly offered by conventional robot feet such as a flat plate with a gimbal type ankle joint. And it was confirmed that the hip joint torque of the leg walking on the flat surface could be reduced remarkably by using the new foot.