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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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Design and kinematic analysis of a 3-RRR spherical parallel manipulator reconfigured with four bar linkages

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论文类型: 期刊论文

第一作者: Wu, Guanglei

通讯作者: Wu, GL (reprint author), Dalian Univ Technol, Sch Mech Engn, Dalian 116024, Peoples R China.

合写作者: Bai, Shaoping

发表时间: 2019-04-01

发表刊物: ROBOTICS AND COMPUTER-INTEGRATED MANUFACTURING

收录刊物: SCIE、Scopus

卷号: 56

页面范围: 55-65

ISSN号: 0736-5845

关键字: Spherical parallel manipulator; Dynamic reconfiguration; Full-circle twist; Four-bar linkage; Constraint singularity; 3R1T mechanism

摘要: In this paper, the 3-RRR spherical parallel manipulator (SPM) of co-axis input is redesigned with reconfigurability. By utilizing a simple four-bar linkage, the SPM is able to change virtually the dimensions of driving links. The new design allows the SPM reconfigurable for investigation of the influence of the link dimensions on the kinematic and dynamic performance of the SPM. Moreover, the new design can be used directly for the applications such as flight simulator. In this paper, the workspace, dexterity and singularity of the new design are investigated, considering the effect of an adjustable link dimension onto the manipulator performance. The relationship between the varying link dimension in a prescribed range and the operational workspace is studied, with some new results on workspace and dexterity of the SPM revealed.

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