Study on Partial-Wear-Factor Model Monorail Vehicle Running Wheel
DU Zixue1, WEN Xiaoxia1, YANG Zhen1, ZHENG Shengbao2, ZHOU Juchao1, WANG Guolin3
1. School of Electrical and Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400074, China; 2. Chongqing Transport Planning and Research Institute, Chongqing 401121, China; 3. School of Automotive and Traffic Engineering, Jiangsu University, Nanjing 212013, China
Abstract：Frequent tire changes caused by running tire abrasion play an important role in affecting the cost of monorails. For rapid assessing the partial wear state of monorail vehicle running wheels on the different vehicle design,the factor analysis method was adopted to study the 10 evaluation indices that influence partial wear,the partial-wear factor model was established and a method was proposed for evaluating the merits and demerits of vehicle design schemes by the score of running wheels' partial wear factor. The findings indicate the principal factors influencing partial wear in order of importance are the horizontal and vertical parameters,wheel base orientation,vertical stiffness of the running wheel,and vertical distance of the guiding wheel. The partial-wear-factor model and the partial-wear-factor score formula can quickly and reliably be used to evaluate the partial-wear state of the running wheel in different monorail vehicle structure designs. It provides an effective optimization design method for the development of bogies for monorail vehicles.
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