Optimization Design and Grasping Stability Analysis of Under-actuated Multi-finger Manipulator

Autor: Xiangpeng Lei, Shufeng Tang, Wei Liang, Zirui Guo
Jazyk: čínština
Rok vydání: 2020
Předmět:
Zdroj: Jixie chuandong, Vol 44, Pp 53-58 (2020)
Druh dokumentu: article
ISSN: 1004-2539
DOI: 10.16578/j.issn.1004.2539.2020.11.009
Popis: Aiming at the multi-mode grasping problem of the under-actuated manipulator, an under-actuated manipulator with detachable fingers and composite grasping function is proposed. In order to study the grasping performance of the under-actuated manipulator, a spring-adaptive three-knuckle finger mechanism and a double four-link three-knuckle finger mechanism are developed respectively. Both finger mechanisms use the motion principle of four-link mechanism. The nature of the finger greatly affects the grasp stability of the under-actuated manipulator. The properties of a single finger of an under-actuated manipulator are analyzed, and the influence of the position of the joint contact point and the contact force on the grasp stability is analyzed. A theoretical analysis method of the contact force and moment balance is proposed, and the factors affecting the grasping stability factor are discussed.
Databáze: Directory of Open Access Journals