지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2012.10
- 수록면
- 688 - 693 (6page)
이용수
초록· 키워드
오류제보하기
This paper describes the development of a dexterous endoscopic parallel manipulator for laparoscopic surgery using rigid mechanism. Based on the concept of virtual chain and screw theory, previous endoscopic parallel manipulators are deeply investigated to put their synthesis in a systematic rigorous procedure that helps in proposing the new 4-DOF endoscopic parallel manipulator. The inverse and forward kinematics solutions are derived analytically and numerically respectively. The known problem of limited bending angles was solved in the proposed manipulator as it can reach ± 90o in any direction. The proposed manipulator consists of four legs; two legs are 2-PUU (each leg consists of one active prismatic joint and two passive hook joints); the other two legs are 2-PUS (each leg consists of one active prismatic join, one passive hook joint and one passive spherical joint). Four linear motors are used to drive the mechanism. The performance is investigated through simulation by ADAMS software. Dexterous workspace is obtained and this validates the advantageous bending capability of the new proposed manipulator compared to previous ones.
목차
Abstract
1. INTRODUCTION
2.VIRTUAL CHAIN APPROACH
3. INVESTIGATION OF PERVIOUS PARALLEL ENDOSCOPIC MANIPULATORS
4.THE PROPOSED NEW PARALLEL MANIPULATOR
5.KINEMATICS ANALYSIS
6. RESULTS AND DISCUSSIONS
7. CONCLUSIONS
REFERENCES
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