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《Journal of Mechanical Transmission》 2014-01
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Analysis of Effect of Inner Dynamic Excitation on Driving Gear of High-speed Train

Huang Guanhua;Zhang Weihua;Song Shuqi;Xiong Qing;Tranction Power State Key Lab,Southwest Jiaotong University;  
In order to analyze the vehicle dynamic behavior caused by the inner dynamic excitation of driving gear,the time-varying stiffness of meshing teeth pairs is calculated through finite element analysis at first.Transmission error curve is computed according to profile tolerance which is determined by the machining precision of gearing.With above results,the inner dynamic excitations including stiffness excitation and error excitation are obtained,it is loaded into the dynamical equations of vehicle system.At last,a non-linear dynamics model of the high speed train including the inner dynamic excitation system is established.The results show that the inner gear dynamic excitation has little effect on the vibration of bogie frame and carbody,but has some effect on the tractor motor and gearbox,especially on the lateral and vertical direction.When the bogie frame is regarded as flexible body,the effect is more obvious.
【Fund】： 国家自然科学基金委员会——铁道部高速铁路基础研究联合基金(U1234208)
【CateGory Index】： U270.1
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