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【期刊论文】Study on the Compensation of Error by Stick-Slip for High-Precision Table
梅雪松, Xuesong Mei a., Masaomi Tsutsumi b, Tao Tao c, Nuogang Sun c
,-0001,():
-1年11月30日
A simple approach of compensating friction error of high-precision tablesis proposed in this paper. On the basis of accurate prediction of the magnitude of thefriction error and the place where it occurs, first a compensator is constructed whichconsists of an online friction error prediction model and the rectangular compensationcurves regarded as the compensation pulses. Then by carrying out several times ofoptimal compensation experiments, the parameters describing the rectangular compensation curve at certain positions can be obtained. Finally the optimal parameters of the rectangular compensation curve at any position can be determined by interpolation and approximation approach. It has been shown that the method of compensating friction error proposed in this paper can be applied to effectively compensate the friction error for any circular motions of high-precision tables.
Friction Error, Error Compensation, Precision Table
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【期刊论文】Study on the Load Distribution of the Ball Screw with Errors
梅雪松, Xuesong Mei a, Maosaomi Tsutsumi b Tao Tao a Nuogang Sun a
,-0001,():
-1年11月30日
errors, a model is developed to analyze load distribution of ball screw with errors in various load conditions are theoretically investigated. Negative errors makes the load on ball or guiding grooves in corresponding position smaller, even there is no contact in the position when the negative errors reaches certain value. Positive error makes the load bigger. If error heights are assumed to be normally distribution random, the load distribution without error is average value of that in random-error contact. It is valuable for equilibrating load distribution to correct nut groove. The simulation results show that model proposed in this paper is significant to study characteristics of ball screw with regard of errors.
ball screw, error, correction, random error, load distribution, elastic deformation, stiffness, nut, screw shaft
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【期刊论文】A Method of Optimal Design for magnetic density ripple in Surface Motor*
梅雪松, LIU Xuepeng MEI Xuesong WU Xutang
,-0001,():
-1年11月30日
A method of optimal design for minimization of magnetic density ripple in Surface Motor without Finite Element Analysis (FEA) data is described. By using motor geometric parameters obtained by this optimal design method, magnetic density ripple minimized and force maximized motor is developed and tested by experiment.
Surface motor,, optimal design,, magnetic density ripple,, and analytical model
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梅雪松, 郝晓红, , 张东升, 陶涛, 姜歌东
,-0001,():
-1年11月30日
本文提出了计算表面电机气隙磁通量密度分布的分析方法。首先,建立了表面电机磁场的分析模型,给出了磁标量位的拉普拉斯方程以及一系列边界条件。然后用分离变量法获得了永磁体在气隙中产生的磁场强度和磁通量密度的分析表达式。最后将分析结果与实验结果进行对比,证明了分析方法的正确性。为进行表面电机对比研究、优化设计和机械动力学建模提供了基础。
表面电机, 分析解, 磁标量位
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