A computational methodology to model and analyze planar rigid mechanical system with stick–slip friction in revolute clearance joint is presented. In this work, the LuGre friction model, which captures the Stribeck effect and spring-like characteristics for stiction, is employed to estimate the stick–slip friction in revolute clearance joint. A hybrid contact force model, combining Lankarani–Nikravesh model, and improved elastic foundation model, is used to establish contact model. The generalized-α method, which can dissipate the spurious high-frequency responses caused by the strongly nonlinear contact force and friction in numerical simulation, is adopted to solve the equations of motion and make the result closer to the physics of the problem. A slider-crank mechanism with revolute clearance joint based on LuGre friction model and modified coulomb friction model are simulated, respectively, and utilized to discuss the influences of the Stribeck effect and stiction on dynamic behavior of the mechanism. Different test scenarios are considered to investigate the effects of the clearance size and friction coefficient on the dynamic response of the mechanism. The results show that the mechanism based on LuGre friction model has better energy dissipation characteristics, while there are stiction phenomena of the contacting surfaces in many cases. When the relative velocity is zero or close to zero, the contact force of mechanism based on the LuGre friction model is significantly lower than that based on the modified coulomb friction model. Clearance size and friction coefficient obviously affect dynamic behavior of the mechanism.
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June 2018
Research-Article
Dynamic Analysis of Planar Mechanical Systems With Clearance Joint Based on LuGre Friction Model
Xiao Tan,
Xiao Tan
State Key Laboratory of Mechanics
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
Search for other works by this author on:
Guoping Chen,
Guoping Chen
State Key Laboratory of Mechanics
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
e-mail: gpchen@nuaa.edu.cn
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
e-mail: gpchen@nuaa.edu.cn
Search for other works by this author on:
Dongyang Sun,
Dongyang Sun
College of Aerospace Engineering,
Chongqing University,
Chongqing 400044, China
Chongqing University,
Chongqing 400044, China
Search for other works by this author on:
Yan Chen
Yan Chen
State Key Laboratory of Mechanics and Control
of Mechanical Structures,
Nanjing University of Aeronautics and
Astronautics,
Nanjing 210016, China
of Mechanical Structures,
Nanjing University of Aeronautics and
Astronautics,
Nanjing 210016, China
Search for other works by this author on:
Xiao Tan
State Key Laboratory of Mechanics
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
Guoping Chen
State Key Laboratory of Mechanics
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
e-mail: gpchen@nuaa.edu.cn
and Control of Mechanical Structures,
Nanjing University of Aeronautics
and Astronautics,
Nanjing 210016, China
e-mail: gpchen@nuaa.edu.cn
Dongyang Sun
College of Aerospace Engineering,
Chongqing University,
Chongqing 400044, China
Chongqing University,
Chongqing 400044, China
Yan Chen
State Key Laboratory of Mechanics and Control
of Mechanical Structures,
Nanjing University of Aeronautics and
Astronautics,
Nanjing 210016, China
of Mechanical Structures,
Nanjing University of Aeronautics and
Astronautics,
Nanjing 210016, China
1Corresponding author.
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS. Manuscript received November 21, 2017; final manuscript received March 29, 2018; published online April 18, 2018. Assoc. Editor: Corina Sandu.
J. Comput. Nonlinear Dynam. Jun 2018, 13(6): 061003 (9 pages)
Published Online: April 18, 2018
Article history
Received:
November 21, 2017
Revised:
March 29, 2018
Citation
Tan, X., Chen, G., Sun, D., and Chen, Y. (April 18, 2018). "Dynamic Analysis of Planar Mechanical Systems With Clearance Joint Based on LuGre Friction Model." ASME. J. Comput. Nonlinear Dynam. June 2018; 13(6): 061003. https://doi.org/10.1115/1.4039877
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