1) friction lead compensation
摩擦超前补偿
1.
New approach combined with friction lead compensation based on Stribeck equivalent control voltage model with its parameters fuzzy tuning and proportion integral differential(PID) control was presented to enhance the control traits of a middle axis driven by servo valve control hydraulic motor for a high precision flight motion simulator.
为了规避常规摩擦前向补偿对系统模型及参数的依赖性,提出利用转台中框本身的控制环节直接测定用于摩擦超前补偿的Stribeck电压模型参数;针对系统超低速伺服时速度信号难以检测的特点,设计了模糊整定系统用于改进模型运行状态参数的整定;将设计好的控制器用于中框低速伺服。
2) friction compensation
摩擦补偿
1.
DC servo motor friction compensation using a genetic algorithm;
基于遗传算法的直流伺服电机的摩擦补偿
2.
New repetitive adaptive friction compensation scheme in high-precise servo system;
一种新的重复自适应摩擦补偿方法及其在高精度伺服系统中的应用
3.
Nonlinear stick-slip friction compensation for DC motors;
一种直流力矩电机系统的滞滑摩擦补偿方法
3) Static Friction Compensation
静摩擦补偿
4) friction compensation
摩擦力补偿
1.
The relation between the valve friction and the spool radial unbalanced force is analyzed,the friction compensation mechanisum with highfrequency low-amplitude dither signals acting on the valve is discussed based on vibrational effects,and the friction compensator is designed by use of VC++ and LabVIEW.
根据振动对摩擦力的影响,对气动比例阀叠加高频低幅颤振信号进行摩擦力补偿的机理进行了研究,并基于软件VC++和LabVIEW开发出摩擦力颤振补偿器。
2.
The friction compensation model is adopted, to correct the non-sinusoidal oscillation curve, achieve meniscus shape optimizing, and improve strand quality.
但铸坯与结晶器之间摩擦力的存在,造成了非正弦振动曲线的失真与变形,采用摩擦力补偿模型,可以实现对非正弦振动曲线的修正,达到优化弯月面形状的目的,从而改善铸坯质量。
6) adaptive friction compensation
自适应摩擦补偿
1.
In order to eliminate the nonlinear dynamic friction force in a high-precision turntable system and to improve the position-tracking accuracy of the turntable in swing motion,a novel adaptive friction compensation method is developed,in which Lugre s dynamic friction model is adopted to characterize the friction torque.
为克服精密转台系统中存在的非线性动态摩擦力,提高转台摇摆工作状态下的位置跟踪精度,提出了一种新的基于Lugre动态摩擦模型的自适应摩擦补偿方法。
2.
Two adaptive friction compensation schemes are developed for a high precision turntable system with nonlinear dynamic friction to handle two types of parametric uncertainties in the friction.
针对具有非线性动态摩擦的高精度转台系统,为了处理两种不同类型的摩擦参数不确定性,提出了两种自适应摩擦补偿方案。
3.
To the friction compensation problem when the practical servo control system of the turn table can not accurately provide velocity signal, a velocity-observer-based model reference adaptive friction compensation method is presented.
针对实际转台伺服控制系统在低速运行时不能准确提供速度信号的摩擦补偿问题,提出了一种基于速度观测器的模型参考自适应摩擦补偿方法,该方法利用降维观测器在线估计速度信号,并根据该估计信号对系统进行摩擦补偿;在详细地分析了系统误差信号的局部收敛性的基础上,推导出了系统误差局部收敛的充分条件。
补充资料：摩擦学:滚动摩擦
滚动摩擦
两相互接触的物体有相对滚动或有相对滚动趋势时的摩擦。滚动摩擦的机理不同於滑动摩擦﹐它主要来源於滚动体在接触区域產生弹-塑性变形﹐在以接触点(或线)为中心的接触区内接触压力分布不对称﹐致使支承面的反力N 发生偏心﹐并產生摩擦力F (见图 滚动摩擦示意图
)。用表示法向反力N 到接触点的距离﹐根据力的平衡条件可得
式中为滚动体半径﹔为滚动摩擦係数﹐它的量纲为长度﹐其值与接触面的材料﹑粗糙度﹑温度和湿度等因素有关。
两相互接触的物体有相对滚动或有相对滚动趋势时的摩擦。滚动摩擦的机理不同於滑动摩擦﹐它主要来源於滚动体在接触区域產生弹-塑性变形﹐在以接触点(或线)为中心的接触区内接触压力分布不对称﹐致使支承面的反力N 发生偏心﹐并產生摩擦力F (见图 滚动摩擦示意图
)。用表示法向反力N 到接触点的距离﹐根据力的平衡条件可得 式中为滚动体半径﹔为滚动摩擦係数﹐它的量纲为长度﹐其值与接触面的材料﹑粗糙度﹑温度和湿度等因素有关。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条