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Fuzzy Theory Based Control Method for an In-pipe Robot to Move in Variable Resistance Environment

查看参考文献23篇

文摘 Most of the existing screw drive in-pipe robots cannot actively adjust the maximum traction capacity, which limits the adaptability to the wide range of variable environment resistance, especially in curved pipes. In order to solve this problem, a screw drive in-pipe robot based on adaptive linkage mechanism is proposed. The differential property of the adaptive linkage mechanism allows the robot to move without motion interference in the straight and varied curved pipes by adjusting inclining angles of rollers self-adaptively. The maximum traction capacity of the robot can be changed by actively adjusting the inclining angles of rollers. In order to improve the adaptability to the variable resistance, a torque control method based on the fuzzy controller is proposed. For the variable environment resistance, the proposed control method can not only ensure enough traction force, but also limit the output torque in a feasible region. In the simulations, the robot with the proposed control method is compared to the robot with fixed inclining angles of rollers. The results show that the combination of the torque control method and the proposed robot achieves the better adaptability to the variable resistance in the straight and curved pipes.
来源 Chinese Journal of Mechanical Engineering ,2015,28(6):1213-1221 【核心库】
DOI 10.3901/cjme.2015.0717.096
关键词 screw drive ; in-pipe robot ; fuzzy control ; torque control
地址

Shenyang Institute of Automation, Chinese Academy of Sciences, State Key Laboratory of Robotics, Shenyang, 110016

语种 英文
文献类型 研究性论文
ISSN 1000-9345
学科 自动化技术、计算机技术
基金 国家自然科学基金
文献收藏号 CSCD:5564241

参考文献 共 23 共2页

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