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- Title
Nonlinear Characteristics of Revolute Joints with Clearance.
- Authors
Liu Rong-qiang; Zhang Jing; Guo Hong-wei; Deng Zong-quan
- Abstract
The nonlinear contact characteristic of revolute joint with clearance can degrade the performance of deployable structure. In this article, tensile and compressive tests are adopted to investigate the accuracies of the simplest conformal model and nonconformal model for contact, which are used to calculate the revolute joint deformation. In order to study the applicability of the two models, different clearances of joints are introduced in the tests. The results of the two contact models do not well agree with the experimental results. A model for the calculation of contact force and deformation of revolute joint, considering geometric constraints and cylinder contact characteristic, is presented. By comparison with the simplest conformal model and nonconformal model for contact, the proposed model is more accurate to calculate the nonlinear contact of revolute joint. The theoretical and experimental analysis of revolute joint with clearance is helpful to improve the reliability of deployable structure simulation.
- Subjects
TENSILE tests; OSTEOARTHRITIS
- Publication
Journal of Aerospace Technology & Management, 2013, Vol 5, Issue 3, p341
- ISSN
1984-9648
- Publication type
Article
- DOI
10.5028/jatm.v5i3.236