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吴广磊
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副教授   硕士生导师

性别: 男

毕业院校: 奥尔堡大学

学位: 博士

所在单位: 机械工程学院

学科: 机械设计及理论. 机械制造及其自动化. 机械电子工程

办公地点: 西部校区知方楼9013

联系方式: 15940994026

电子邮箱: gwu@dlut.edu.cn

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A 3-RRR Spherical Parallel Manipulator Reconfigured with Four-bar Linkages

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论文类型: 会议论文

发表时间: 2018-01-01

收录刊物: CPCI-S

关键字: Spherical parallel manipulator; dynamic reconfiguration; full-circle twist; four bar linkage

摘要: In this paper, a reconfigurable parallel wrist manipulator, which is based on a coaxial actuated spherical mechanism with full-circle twist, is presented. The reconfiguration of the wrist is realized through a simple four-bar linkage in each independent limb to change one geometric parameter for variations of performances, which eases motion control. The workspace, dexterity and singularity of the wrist manipulator in different configurations are investigated, with consideration of the effect of an adjustable angular parameter on the manipulator performance. The relationship between the reconfigurable parameter and the manipulator performance turns out to be linear approximately. Since this parallel wrist manipulator can generate a full-circle twist movement, it can extend the applications of the wrist mechanisms. Moreover, this reconfigurable wrist manipulator can meet various task requirements due to its real-time performance enhancement.

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