Stick–slip in hand guidance of palletizing robot as collaborative robot

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Title:	Stick–slip in hand guidance of palletizing robot as collaborative robot
Authors:	Chuang, Yun-Ju Chang, Ho Sun, Yin-Tung Tsung, Tsing-Tshih
Contributors:	Department of Mechanical Engineering
Keywords:	Cobot hand-guiding force hand-guiding variation ISO 10218 ISO TS15066 stick–slip with outstanding performance
Date:	2022-09
Issue Date:	2022-11-22 16:13:58 (UTC+8)
Publisher:	SAGE Publications Inc.
Abstract:	Stick–slip is a challenging problem in palletizing robots and constitutes one of the main problems in precision positioning control. This study analyzed the stick–slip of a four-degree-of-freedom ceiling-mounted hand-guiding collaborative robot in a working space. A brief perspective on the focus of the experimental design is presented on the stick–slip friction of a palletizing robot’s hand guidance as a collaborative robot. The palletizing robot typically has a simple mechanical structure but possesses over 16 bearings to constrain the motion of the dual-parallelogram linkage mechanism. First, the hand-guiding force was successfully measured. Second, an image model was built based on the obtained measurement results. Third, the stick–slip results for the working space were analyzed using an image model. Finally, related conclusions and recommendations are provided for precision positioning control. A significant aspect of this study is identifying the hand-guiding force in the working space of a ceiling-mounted collaborative robot. Stick–slip in hand guiding is a critical issue and is therefore important for collaborative robot users. The main contribution of this study is developing a feasible method for helping researchers understand where stick–slip occurs.
Relation:	International Journal of Advanced Robotic Systems, 19(5)
Appears in Collections:	[Department of Mechanical Engineering ] journal articles

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