本文探讨了主轴回转误差运动中偏心分量的分离问题。
In this paper further study is given to separate the eccentricity from the rotation error of a spindle.
讨论了主轴径向误差运动园图象的分析处理和评定方法。
The analysis, treatment and evaluation method are discussed about the POLAR PLOT of shaft radial movement deviation.
正确测量机床主轴误差运动是实现加工误差补偿的前提。
To measure rotation error correctly is requisite of realizing error compensation.
回转轴径向误差运动的测量是机械工程测量中的重要项目之一。
The measurement concerning the radial motion of an axis of rotation is one of among the key items of measurement in mechanical engineering.
轴系回转误差运动的特征是一项复合信号，它含有周期分量和随机分量。
The characteristics of error motion of shafting is a complex signal which includes periodic component and random term.
从主轴回转轴线定义出发，阐述了轴线误差运动形式和回转精度的测量方法。
Proceed from the definition of the rotating axis of the lathe, the author described a pattern of axis' kinematic accuracy and the methods measuring the rotating accuracy.
本文主要分析采用数字式测量时，标准测试球的安装偏心对回转轴径向误差运动圆图象的影响。
An analysis is given to the effect of centering error of the mechanical mounting of the master ball in a digital measurement upon the radial motion polar plot of an axis of rotation.
采用误差分离技术将工件的形状误差从所测信号中分离出来，实现在线测量主轴的径向误差运动。
The profile error of workpiece is separated by error separation technique to realize the online measurement of spindle radial motion error.
本文将齐次坐标变换理论结合刀具与工件联结链矢量概念建立了加工中心误差运动综合补偿模型。
An error synthesis model for the machining centers is set up by using homogeneous coordinate transformation and tool workpiece connection vector.
从分离出的回转误差运动中有效地提取截面最小二乘圆心的偏心误差运动，目前还没有合适的方法。
At present, there is no efficient way to retrace the eccentric error motion of the center from the separated revolved error motion.
本文提出的三点式误差分离新方法用以分离旋转轴线的径向误差运动与测量介质或测量对象的形状误差。
A new 3-point error separation method is developed and used in this paper for separating the radial errors of rotating axis and the shape errors of the objects measured.
本文对宁夏工学院测试车床主轴回转误差运动时基准球安装偏心引起的误差进行了分析，并提出了剔除该误差的方法。
This paper analyzes the offcenter error of installing reference ball as testing lathe main spindle rotation errors in Ningxia Institute of Technology and puts forward the way of eliminating errors.
通过分析某精密转轴轴心径向回转误差运动轨迹的方差变化规律，证明该轴的回转运动具备了分数布朗运动的基本特征。
According to variance changing laws of a precise rotor radial rotating error motion, it can be proved that the rotor's motion track is characterized by fractional Brownian motion.
但是帧1中经过运动补偿的像素具有子像素位置误差。
But the motion compensated pixels in frame 1 have sub-pixel positional errors.
在不考虑摄像机内外参数标定误差的情况下，研究了标志点像元的测量精度对运动参数测量的影响。
The relationship between the detection of feature points and the measurement of motion parameters is studied in this instance of ignoring the camera calibrate errors.
但在非均匀风场中，回波结构在运动过程申发生变化，导致该方法的误差大大增加。
In a nonuniform wind field, however, great changes take place in the structure, causing an increase of errors.
该模型把刀具相对于工件的空间误差表示为机床各结构件之间运动误差的位置函数。
The model expresses the relative motion errors of the tool with respect to the workpiece as a location function of its elemental errors.
其次，在弹性运动学模拟中，把轮胎视为一个刚性体，没有考虑轮胎刚度，这也是产生误差的一个因素。
Secondly, in the elastic kinematics simulation, the tire as a rigid body, without considering tire stiffness, which is a factor of error.
软件主要由卫星导航参数计算模块、目标运动轨迹计算模块、误差计算模块等模块组成。
The software comprises the satellite navigation parameters calculation module, the target trajectory calculation module, the error calculation module and etc.
本文依据动作可靠性的基本概念，结合机器人动作可靠性评价的基本要求，建立了机器人运动误差分析模型。
According to the concept of motion reliability, an analysis model for movement error is established by considering basic requirement of robot motion reliability in this paper.
本文主要对六自由度摇摆试验台的系统设计、运动学理论、位姿误差及控制方法四方面进行分析和研究。
The major research works completed in this dissertation includes: six free-degree swing platform system design, kinematics theory, pose error analysis and control methods.
但用弹性运动学模型来进行运动学模拟后发现，这个计算误差并不大。
However, elastic kinematics model to simulate the kinematic and found that this calculation error is not significant.
运动误差是造成低频超宽带合成孔径雷达成像质量降低的主要因素之一。
The motion error is one of the most important factors degrading the quality of low frequency UWB SAR images.
数值例结果表明，这种规划方法可以显著降低机器人输出运动误差。
Results of the numerical example indicate that the output motion errors can be significantly reduced by this programming method.
提出了数控加工中心三种基本运动的误差补偿算法。
Computational approaches to compensating errors of the basic motions of a machine are developed.
动态滞后误差的大小不但与跟踪系统有关，还与目标运动特性有关。
The amount of the dynamic lag errors not only is concerned with the tracking system, but also concerned with the moving characteristics of target.
在机床加工工件时，实时测量机床主轴的径向运动误差。
The machine tool spindle radial motion error is measured online under the condition of workpiece being manufactured.
在机床加工工件时，实时测量机床主轴的径向运动误差。
The machine tool spindle radial motion error is measured online under the condition of workpiece being manufactured.
应用推荐