High-payload climbing and transitioning by compliant locomotion with magnetic adhesion

被引:72
作者
Lee, Giuk [2 ]
Wu, Geeyun [2 ]
Kim, Jongwon [2 ,3 ]
Seo, TaeWon [1 ]
机构
[1] Yeungnam Univ, Sch Mech Engn, Gyongsan, South Korea
[2] Seoul Natl Univ, Sch Mech & Aerosp Engn, Seoul, South Korea
[3] Seoul Natl Univ, Automat & Syst Res Inst, Seoul, South Korea
基金
新加坡国家研究基金会;
关键词
Compliant mechanism; Climbing robot; High payload; Transition; Overcoming obstacles; Under-actuated system; CLEANING ROBOTS;
D O I
10.1016/j.robot.2012.06.003
中图分类号
TP [自动化技术、计算机技术];
学科分类号
080201 [机械制造及其自动化];
摘要
This paper presents a new climbing robotic mechanism for high-payload climbing and wall-to-wall transitioning. Payload capacity and transition ability are very important in climbing-robot applications for heavy industries and construction industries. The proposed robotic platform consists of three magnetic tread-wheel modules that are connected by links with two compliant joints. The front compliant joints are passive type with a torsion spring, and the rear compliant joints are active type with torque-controlled motors. A torque-controlled tail is attached at the end of the third module. Various transitions are achieved by the compliant joints, which change shape depending on the external conditions. High payloads are achieved by the large contact area of three magnetic tread-wheel modules. Detailed design issues are presented with analyses of the design parameters. The robot can perform two internal and two external transitions against gravity and every possible transition in the side surface driving direction. The robot can carry 10 kg payloads on vertical surfaces and on a ceiling. The ability to overcome a 30 mm diameter obstacle on vertical surfaces is also verified by experiments. The proposed robotic platform is going to be used in heavy industries. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码:1308 / 1316
页数:9
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