摩擦力矩

滚动轴承摩擦力矩是评价轴承运转灵活性及寿命的重要指标。

The bearing friction torque is an important index of evaluating the operational sensitivity and life of rolling bearing .

并针对目前球轴承摩擦力矩研究存在的问题，提出了未来球轴承摩擦力矩研究方向。

Finally , aiming at the existed problems in current study , the study directions of the ball bearing friction torque in the future are proposed .

C（7046112）轴承摩擦力矩的研究

Study on Friction Torque of C_ ( 7046112 ) Bearing

（iV）摩擦力矩是主要的角动量汇。

The friction torque is a main angular momentum sink .

通过分析摩擦力矩特性以及它对系统输出结果的影响，确定了符合系统实际情况的MATLAB仿真模型。

MATLAB simulation model are then determined by analysing the properties of the friction torques , which influence on system output .

用并行控制与单一的PD控制对带有非线性摩擦力矩的直流电机伺服控制作了仿真研究。

The servo control of DC motor with nonlinear friction torque was simulated by means of the parallel control and the single PD control .

传统PID控制器一般是固定参数的，而基于神经网络的PID控制器能够针对时变的摩擦力矩自动寻找最优的PID参数组合。

Traditional PID controller commonly is fixation parameter ; moreover PID controller structure basing on neural networks can automatically find optimization PID parameter combination aim at protean friction moment .

针对摩擦力矩扰动、系统参数摄动等非线性干扰对模拟试验台控制系统的影响，设计了基于二次稳定理论的三轴模拟试验台系统状态反馈控制器和PID控制器并进行了仿真验证。

Considering friction moment disturbances and system parameter perturbations during the control of simulation table , the state feedback controller and PID controller based on quadratic stability for three-axis simulation table system are designed .

因此设计高性能PWM放大器、研究伺服系统的摩擦力矩和补偿方法，对研制结构简单且性能优良的精密直流伺服系统具有重要的应用价值。

Therefore , develop high performance PWM power amplifier and study on friction analysis and compensation is of important application value to design a precision DC servo system with simple structure and quality .

针对这种非线性摩擦力矩扰动，本文充分结合神经网络和反馈控制的各自优势，提出了一种基于神经网络的PID控制器结构。

Aim at such nonlinearity friction moment moving , Sufficient combining neural networks and feedback control respective advantage , a sort of PID controller structure basing on neural networks was being used to overcome the dry friction .

该方法基于Lyapunov函数设计自适应控制律，保证了系统的稳定性，而且对摩擦力矩以外的干扰力矩也具有一定的补偿作用。

This control strategy designed the adaptive compensation law based on Lyapunov function which guaranteed the stability of servo system , and the method also depressed the other disturbance excluding friction additionally .

论述了该种装置的盘式和浮动镶块式两种结构所能产生的摩擦力矩Ma及所需保护的力矩Mq的计算方法。

The calculation methods of friction moments for two types of friction couple of the dish and floating inlay friction block as well as its overloading protection device are introduced .

结果证明CMAC可通过在线自学习感知系统中摩擦力矩的变化情况，进行适当补偿。

The results verifies that CMAC network can give appropriate compensation to the system because it can detect the variant of the friction vector by online self-learning .

提出以制动摩擦力矩和制动时间为主要优化目标的多目标函数，并采用2种直接优化方法（采用惩罚函数的SEEK和ADRANS子程序）相结合进行优化。

The main target of optimization is the brake friction torque and stopping time , which uses punishing functions both SEEK and ADRANS subroutine .

阀杆的强度问题与最大启闭力矩密切相关，本文利用Workbench接触分析结果求解开启时刻的最大摩擦力矩。

The intensity problem of the valve pole is closed related with the biggest moment . This text makes use of the Workbench contact analysis result to get the biggest friction moment at the open time .

通过分析原有系统的经典PID控制方案和试验数据发现：低速运行时的干摩擦力矩是影响转台低速平稳性的重要因素，采用传统的控制方案很难使它具有较高的静态、动态性能。

By analyzed former system of classical PID control-scheme and experiment data , The finding show dry-friction is important factor on the influence of low-speed stabilization during turntable do a low-speed moving , it is difficult to have upper static and dynamic capability by adopt traditional control-scheme .

本文对摩擦力矩进行了计算，同时利用ABAQUS仿真的方法获得了高压下方钻杆旋塞阀的密封接触分析结果，两种方法得到的结果基本吻合。

The friction torque is calculated in this paper , and Using ABAQUS simulation method is obtained under high-pressure kelly cock sealing contact analysis results , Two results coincide .

首先在Hertz弹性接触理论的基础上研究了滚动轴承在外部载荷作用下的承载和变形特性，对滚动轴承的刚度和摩擦力矩等进行了分析，建立了滚动轴承的数学计算模型。

Firstly , rolling bearing loading and deforming characteristics under external loading are studied based on Hertz elastic contact theory , stiffness and friction torque of bearings are analyzed to model the rolling bearing performances .

试验方案是对KAT和KBT两种型号的滚动轴承在三种转速下进行摩擦力矩试验。

Testing program is as follows : First do friction torque experiment with KAT and KBT the two types of rolling bearings at three different kinds of speeds , and then collect experimental data .

滚动轴承摩擦力矩动态误差的实验研究

The experiment research on friction moment dynamic error of rolling bearing

滚动轴承摩擦力矩的预测方法研究

Study on the Prediction Method of Frictional Moment for Rolling Bearings

低速球轴承摩擦力矩的分析研究

The Research of the Friction Moment of Low Speed Ball Bearing

带有摩擦力矩的随动系统的控制研究

Study on a Control Method for Servo System with Friction Torque

介绍了滚珠丝杠副摩擦力矩虚拟测试系统的设计方案。

Development on measuring system for frictional torque of ball screw ;

滚珠丝杠副摩擦力矩影响因素及测试方法研究

Influence Factor and Test Method Research of Ball Screw Pair Friction Moment

微型轴承摩擦力矩与工艺误差及润滑的相关性分析

Relevant Analysis between Friction Torque Technical error & Lubrication for Miniature Bearings

考虑摩擦力矩扰动的电液位置系统鲁棒自适应控制的研究

Research on Robust and Adaptive Control of Hydraulic Position Servo-system with Friction-torque

滚动轴承摩擦力矩的乏信息模糊预报

Fuzzy prediction of rolling bearing friction torque using information poor system theory

液压仿真转台摩擦力矩自适应补偿的研究

Research on Adaptive Friction Torque Compensation of Hydraulic Servosystems Used in Simulator

测量轴承摩擦力矩的实验装置及其精度

An experimental device for measuring the bearing frictional torque and its accuracy