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1.This text commences from appearance mechanism of ball screw friction moment, combining its structure characteristics, analyzing influence factor of ball screw friction moment. Also passing bear force analysis, of ball bearing in the rolling way, stressed pre-tighten force influence to friction moment, getting the relation of pre-tighten force and friction moment, provide theories support for testing methods research and results analysis.
本文首先从滚珠丝杠副摩擦力矩的产生机理入手，结合其结构特点，分析了滚珠丝杠副摩擦力矩的影响因素，并通过对滚珠在滚道中的受力分析，重点分析了预紧力对摩擦力矩的影响，得出预紧力与摩擦力矩的关系式，为测试方法研究及测试结果分析提供了理论支持；收藏指正
2.Under various temperature and working pressure, the models of the maximum static friction force, the viscous friction coefficient and the Coulomb friction are obtained by analyzing the test data. The influence of temperature on the friction models is analyzed. The friction models can be applied to model and simulate the pneumatic cylinder driving system and predict the stick-slip of pneumatic cylinders.
对低速脂润滑气缸的摩擦力模型进行实验研究,搭建出气缸的摩擦力特性测试实验台,在不同温度和工作压力工况下,通过实验得到气缸的最大静摩擦力模型、粘性摩擦系数模型及库仑摩擦力变化规律,考察了温度对摩擦力特性的影响,可以为气缸驱动系统运动仿真以及爬行现象预测提供摩擦力模型支持．收藏指正
3.The model from the input to the output of the piezoelectric traveling wave ultrasonic motor is established by synthetically using Lagrange-Maxwell equation, Hertz elastic contact theory and Coulomb friction theory, along with considering electromechanical coupling, influence of the interface force between the stator and rotor of the motor on the amplitude of the traveling wave inside the stator and dynamic contact friction friction force.
利用拉格朗日—麦克斯韦方程以及赫兹弹性接触理论，库仑摩擦理论，考虑机电耦合效应，定、转子间界面力对弯曲行波的影响及其动态接触摩擦力，建立了压电行波超声波马达从输入到输出的机电耦联系统的数学模型。收藏指正
4.The results show that the stiffness of environmental bodies, force feedback matrix, coulomb friction and backlash nonlinearity exert a considerable influence on the force control system of robot and the force differential feedback can improve the stability of the system.
结果表明,接触物体综合刚度、力反馈矩阵、库仑摩擦和间隙非线性对力控系统影响很大; 引入力微分反馈能改善系统性能.收藏指正
5.With optical microscope, friction and wear spectrometer and scratch spectrometer, the influence of the parameters of sputtering time, sputtering power and interface layer on the film was studied.
借助光学显微镜、摩擦磨损试验仪和划痕试验仪等研究了溅射时间、溅射功率以及中间层对薄膜性能的影响。收藏指正
6.3. For the friction of disc braking materials, both initial braking speeds and pressures have a distinct influence on wear mass loss.
3.对于盘形制动材料,制动初速度和制动压力对磨损量均有较大的影响。收藏指正
7.Presents a simple method of compensating friction against the character of the nonlinear model of a brushless DC motor system which transfers the original system model to a simple linear model using the method of input-output linearization, and estimates the coulomb friction in the system in real-time using a nonlinear friction estimator, and then compensate the friction in the system using a friction feedforward, and concludes from simulation results that this method can effectively eliminate the influence of friction in brushless DC motor systems.
针对无刷直流电动机系统的非线性数学模型特点，提出了一种简单的摩擦补偿方法.该方法首先利用输入输出线性化方法将原系统模型转化为一种简单的线性模型，然后给出一种非线性摩擦估计器实时估计系统中的库仑摩擦值，最后利用摩擦前馈补偿方法对其进行补偿.仿真结果表明该方法可以有效地抑制无刷直流电动机系统中的摩擦影响.收藏指正
8.Based on this model the influence of acoustic levitation on friction reduction is calculated.
用该模型计算了声悬浮对超声振动减摩的影响。收藏指正
9.INFLUENCE OF SILICON CONTENT ON FRICTION AND WEAR CHARACTERISTICS OF NEW Al Sn Si ALLOYS
硅含量对新型铝锡硅合金摩擦磨损性能的影响收藏指正
10.The experimental results show that the internal friction peak of the material in the three conditions appears differently, and the influence of temperature on the characteristics of frequence of internal friction in the 3-Point Bending mode is greatest; the strain-amplitude effects of the three boundary conditions of the material are similar basically; the influence of temperature on the internal friction of the material in 3-Point bending mode is greater than the single and dual bending modes.
结果表明：泡沫铝硅合金在不同边界条件下的内耗峰出现情况不同，且温度对三点弯曲模式时内耗的频率特性影响最大；三种边界条件下泡沫铝硅合金的内耗的振幅效应基本相似；温度对该材料在三点弯曲模式比单双悬臂梁振动模式下内耗的影响更大。收藏指正
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