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弹性霍肯连杆直线平夹自适应机器人手研制
Authors
刘彦恺
张文增
Publication date
1 January 2022
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
平行夹持是机器人手重要的抓取模式,但由于其末端指段沿圆弧轨迹运动,因此,机器人手在桌面上夹持物体时需要机械臂配合升降,从而增加了其对不同尺寸物体的抓取难度。针对此问题,介绍了一种末端指段呈直线轨迹平动的直线平行夹持模式;基于该模式,提出了一种基于霍肯连杆机构实现的直线平夹自适应手指(SHKL手指)。SHKL手指利用霍肯连杆机构实现末端关节直线运动,利用同向等速的双平行四连杆机构实现末端指段相对手掌姿态固定,利用弹性关节、弹簧和限位等实现自适应抓取。理论分析与实验结果表明,SHKL手指具有直线平夹与自适应抓取功能,抓取稳定,控制容易
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Last time updated on 06/04/2023