误差补偿

In this thesis, a spatial error model of multi-axis NC machine tools is presented, and a feasible method is improved for measuring its fundamental error component.

本文围绕五轴联动数控机床的加工精度，从几何误差补偿到伺服控制再到轮廓误差控制，进行了多方位的理论研究。

Applying the error and according to fitting curve equation can be greatly improved the positional accuracy of the NC equipment.

本文提出的测量方法自动化程度高，准确可靠，在很短时间内即可完成对全部几何误差的测量；根据拟合曲线方程实施的误差补偿，可以大大改善数控设备的位置精度，对提高机床加工精度具有重要意义。

It also discusses the effect upon the dynamic performance of this gyrostabilizer system when the gyro error compensation has been complted.

本文紧密结合工程实践，详细讨论了在陀螺稳定系统中通常所采用的两种不同的陀螺仪误差模型，并实施误差补偿之后，对陀螺稳定系统动态性能的影响，同时给出了仿真结果。

Main ways have been discussed in detail which improve measurement accuracy of three coordinate measuring machine.

第一章综合评述了研究三坐标测量机几何和热效应测量误差补偿策略的重要意义，以及该领域的发展过程和现状，论述了提高三坐标测量机测量精度的主要途径，提出不同用途的三坐标测量机，应采取不同的策略减少其热效应测量误差的见解。

The basic principle and method of time series analysis and its application in thermal error modeling on NC machine toots were presented. How to utilize the thermal error serials surveyed to identify, model, predict and compensate was discussed in detail.

提出了采用时间序列分析法进行机床热误差建模的基本原理及方法，及其在数控机床热误差补偿建模中的应用。

To reduce the screw errors produced by the machine tool driving train, the forward and backword positioning values were measured by laser interferometer and the results were used as a nonlinear unit in the semi-closed loop structure to fulfill the screw compensation.

为降低机床传动机构所产生的螺距误差，通过激光干涉仪实际测量正反向定位值，将测量结果作为一个非线性环节引入半闭环结构中实现机床的螺距误差补偿。

Analysis of detection ability and location accuracy of Tianjin Telemetered Seismic Network after its joining in NCUSN;2. Firstly, feed location accuracy of linear motor were analyzed and tested.

误差补偿是提高机械加工精度的有效途径，在分析测试数控直线电机进给定位精度的基础上，提出基于最小二乘支持向量机的直线电机进给定位精度误差回归建模和预测方法。

For five-coordinate NC end milling, the author gives the equation of tilt angle, the optimum algorithm of tilt angle, the analysis of machined errors, the compensative algorithm for cutter axis tilt error, and the formulae of feed length, feed width and cutter axis swing angle.

推导了五坐标端铣数控加工中的后跟角计算公式，提出了后跟角的优化计算方法——刀盘周边7点干涉检验法，分析了各种加工误差，提出了刀轴摆动误差补偿方法——刀具切触点偏置法，给出了走刀步长、切削宽度以及刀轴摆角的计算公式。

Thermal deformation error is one of the most important factors which influence the machining accuracy of machine tool.

热变形误差是影响机床加工精度的重要因素之一，通过实时热变形误差补偿可以提高数控机床加工精度。

The magnetic compass system errors and the shortage of all attitude magnetic heading error compensation algorithms mentioned in many articles are analyzed.

对磁罗盘系统误差和目前多数文献所提出的全姿态磁航向误差补偿方法的不足进行了分析。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。