Theoretical and experimental study on non-linear vibration characteristic of gear transmission system
CUI Ya-hui, Liu Zhan Sheng, Ye Jian Huai, ChenFeng
School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China
Abstract:
In order to investigate the vibration of gear transmission system with clearance, a vibratory test-bed of the gear transmission system was designed. The non-linear dynamic model of the system was presented, with consideration of the effects of nonlinear dynamic gear mesh excitation, flexible rotors and bearings. Integration method was used to investigate the non-linear dynamic response of the system. The results imply that when the mesh frequency is near the natural frequency of gear pair, it is the first primary resonance, the bifurcation appears, and the vibration becomes to be chaotic motion rapidly. When the speed is close to the natural frequency of the first-order bending vibration, it is the second primary resonance, the periodic motion changes to chaos by period doubling bifurcation. The vibratory measurement of test-bed of the gear transmission system was performed. Accelerometers were employed to measure the high frequency vibration. Experimental results show that the vibration acceleration of the gear transmission system includes mesh frequency and sideband. The numerical calculation results of low speed can be validated by experimental results basically. It means that the presented non-linear dynamic model of the gear transmission system is right.
Key words: gear bifurcation chaos clearance experiment
DOI：10.11916/j.issn.1005-9113.2010.01.020
Clc Number:TH132.41
Fund:
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Theoretical and experimental study on non-linear vibration characteristic of gear transmission syste
本站小编 哈尔滨工业大学/2019-10-23
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