Results 41 to 50 of about 95,004 (291)

Research on Dynamic Wear of Revolution Joint with Clearance for Mechanical System [PDF]

open access: yes, 2011
In order to study the dynamic wear of revolution joint with clearance in mechanical system, the dynamic model of mechanical system with joint clearance is presented. The clearance model is established based on clearance vector model.
Yang Zhao, Zheng Feng Bai
core   +1 more source

Research on High Precision Stiffness Modeling Method of Redundant Over-Constrained Parallel Mechanism

open access: yesSensors, 2023
Traditional stiffness modeling methods do not consider all factors comprehensively, and the modeling methods are not unified, lacking a global stiffness model.
Sen Wang   +5 more
doaj   +1 more source

Dynamic Modeling and Simulation of a Rotating Single Link Flexible Robotic Manipulator Subject to Quick Stops [PDF]

open access: yes, 2014
Single link robotic manipulators are extensively used in industry and research operations. The main design requirement of such manipulators is to minimize link dynamic deflection and its active end vibrations, and obtain high position accuracy during its
Noroozi, Siamak, Dupac, Mihai
core   +1 more source

A comparative analysis of joint clearance effects on articulated and partly compliant mechanisms [PDF]

open access: yes, 2015
Clearance is inevitable in the articulated mechanisms due primarily to the design, manufacturing and assembly processes or a wear effect. This phenomenon affects the kinematic and dynamic performances of mechanism negatively.
DOĞAN, Selim, Erkaya, Selçuk
core   +1 more source

The Effects of Joint Clearance on the Dynamics of the 3-RPR Planar Parallel Manipulator [PDF]

open access: yesInternational Journal of Advanced Design and Manufacturing Technology, 2018
In reality, clearances in the joints are inevitable due to the defects arising from manufacturing process, design tolerances, and wearing after a certain working period.
Seyyed Mojtaba Varedi-Koulaei   +1 more
doaj  

Nonlinear Characteristics of Revolute Joints with Clearance

open access: yesJournal of Aerospace Technology and Management, 2013
http://dx.doi.org/10.5028/jatm.v5i3.236 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 ...
Rong-qiang, Liu   +3 more
openaire   +5 more sources

Pearson’s correlation between minimum toe clearance (MTC) variability and the variability of lower limb joint angles. [PDF]

open access: yes, 2022
Pearson’s correlation between minimum toe clearance (MTC) variability and the variability of lower limb joint angles.
Prabhat Pathak (11902161)   +5 more
core   +1 more source

Normalized-constrained approach for joint clearance design of deployable overconstrained Myard 5R mechanism

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2015
This paper proposes a normalized-constrained approach for the joint clearance design of deployable overconstrained Myard 5R mechanism. Firstly, the overconstrained mobility characteristic of Myard 5R mechanism is analyzed, we show that the dimensional ...
Hao SHEN, Hailin HUANG, Tie JI
doaj   +1 more source

Adhesion and surface forces in polymer tribology—A review

open access: yesFriction, 2018
Polymer tribology is a fast growing area owing to increasing applications of polymers and polymer composites in industry, transportation, and many other areas of economy.
Nikolai Myshkin, Alexander Kovalev
doaj   +1 more source

Study on Impact Dynamics of Development for Solar Panel with Cylindrical Clearance Joint [PDF]

open access: yes, 2015
In this study, an improved contact model in revolute joint with clearance is establishedby considering the axial dimension of the joint, energy dissipation and the nonlinear power exponent from material.The friction effectisdescribed using the modified ...
Geng, Liu, Xu-peng, Wang
core   +1 more source

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