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《Chinese Journal of Mechanical Engineering》 2001-08
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Su Yuxin Duan Baoyan (Xidian University) Nan Rendong Peng Bo (Beijing Astronomical Observatory)  
Direct-drive (DD) motors have the characteristics of simple structure and high controllability without reduction gears However,DD motors are more sensitive to the disturbance and parameter variation than other motors which have reduction gears Enhancement of the stiffness of DD motors is one of effective methods to reduce these influence on the accuracy of the systems,but very high stiffness will lead to unstable,even become vibratory Viewed from mechatronics design,a variable-viscous electrorheological (ER) fluid damper whose viscous coefficient depends upon the applicable voltage is designed,and directly attached on the shaft of DD motor to achieve high servo stiffness control The structure of the variable-viscous ER damper is presented,and the viscous coefficient model of the designed damper is developed The validation of this mechatronics design is demonstrated with a simulation of the position PD control DD motor system
【Fund】: 国家自然科学基金 ( 5 96 75 0 40、5 0 0 75 0 6 5 );; 中科院国家天文观测中心大射电望远镜实验室基金;; 陕西省自然科学基金资助项 目
【CateGory Index】: TM383.4
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1 LEI Kai-gui~1,LI Yong-shuang~1,DENG Zi-chen~(1,2) (1.Department of Engineering Mechanics,Northwestern Polytechnical University,Xi'an710072,China; Equipment, Dalian University of Technology, Dalian116023,China);H∞ robust control research on admixture control system of high building structure[J];Building Science Research of Sichuan;2004-02
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1 WANG Qiu-rong GE Bao-ming (School of Electrical Engineering,Beijing Jiaotong University,Beijing 100044,China);Analysis of Torque and Radial Force Characteristic for Bearingless Switched Reluctance Motor[J];Journal of Beijing Jiaotong University;2007-02
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Chinese Journal Full-text Database 7 Hits
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