Journal
PRECISION ENGINEERING-JOURNAL OF THE INTERNATIONAL SOCIETIES FOR PRECISION ENGINEERING AND NANOTECHNOLOGY
Volume 45, Issue -, Pages 365-373Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.precisioneng.2016.03.013
Keywords
Compliant parallel manipulator; Spatial beam flexure hinge; Inverse kinematics; Nonlinear analysis
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Funding
- National Natural Science Foundation of China (NSFC) [51305013]
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In this paper, a compliant parallel manipulator with six compliant limbs is proposed for micro positioning applications. The load-displacement model of a single compliant limb is established using a nonlinear closed-form spatial beam model. The inverse solution to the compliant parallel manipulator is then implicitly derived by applying load equilibrium to the moving platform. Finally, the compliant model of the limb and the implicit inverse kinematic solution of the manipulator are fully tested by FEA. Discrepancies between results of the presented models and the FEA are analyzed within planned workspaces. The validations demonstrate that accuracies of the proposed models are acceptable and can be improved by shrinking the planned workspace. (C) 2016 Elsevier Inc. All rights reserved.
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