FRACTAL DIMENSION OF TIME SERIES APPLIED TO IDENTIFICATION OF CRITICAL SPEED OF JEFFCOTT ROTOR SYSTEM

查看全文 作　　者：Zhao [1]Yucheng;Sun [2]Kun;Zhang [1]Yahong;Xu [1]Qingyu

机构地区：[1]School of Civil Engineering and Mechanics, Xi'an Jiaotong University, Xi'an 710049, China;[2]School of Material Engineering, Xi'an Jiaotong University, Xi'an 710049, China

出　　处：《Chinese Journal of Mechanical Engineering》索引2005年第18卷第3期,共3页

基　　金：This project is supported by Natural Science Foundation of Xi'an JiaotongUniversity, China, (No.2003025). 摘　　要：The dynamical behaviors of logistic map(May’s model) and duffing equation are studiedthrough fractal dimension of time series at different parameters. It is shown that the parameters ofdynamical behaviors can be identified effectively by the curve of fractal dimension with parameterincrements. For further verification, the relation between the fractional dimension of time series androtational speed can be used to identify critical speed effectively by using this method to a plate Jef-foctt rotor system. The numerical and experimental result indicates that the identification of criticalparameters is effective. 关键词：转动体临界速度平衡性技术参数机械设计

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FRACTAL DIMENSION OF TIME SERIES APPLIED TO IDENTIFICATION OF CRITICAL SPEED OF JEFFCOTT ROTOR SYSTEM

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