误差的补偿

This paper introduces the basic concept of thermal error compensation technology in NC machine tool.

阐述了数控机床热误差补偿技术的基本概念，提出了一种基于人工神经网络的数控机床热误差模型预报补偿系统，介绍了该方法的原理，并对该系统的建立及相关技术进行了讨

In order to compensate the vacant band error automatically and timely in the real-time measurement, a method based on measuring the value of the refractive index and length of the vacant band timely is proposed.

针对目前激光外差干涉实时测量中，由于现场工作环境的限制，无法对闲区误差进行实时自动补偿的问题，提出了一种基于实时测量闲区值和折射率值的闲区误差补偿方法。

On basis of simulation results, the effect of instrument error coefficient deviation on the impact point deviation was analyzed, and the effect of the compensation approach was validated.

根据仿真结果，分析了各工具误差系数偏差对导弹落点精度的影响，证明了补偿算法的有效性，为捷联惯导系统工具误差补偿和提高弹道导弹制导精度提供理论依据。

Strain gauges were introduced to measure the deflection errors of the boring bar, Since they can be facilely installed into the boring bar without effect on its size. The measuring principle of the strain gauge was also studied, it indicated that this indirectly measuring method can perform its function well.

这样的模型不仅能够恰当地描述加工过程的动态变化，而且能在当前状态下预测其未来的变化趋势，从而消除误差补偿与在线测量之间的时间滞后，使误差实时在线补偿得以顺利实现。

On the aspect of error compensation, the system using the geometric average sound pressure instead of the arithmetic average sound pressure to get the sound pressure of the measurement point. This method not only reduces the high frequency error in the sound intensity measurement, which compensates the finite difference approximation error, but also greatly reduces the computation of the sound pressure spectrum.

误差补偿方面，课题采用几何平均声压代替通常的算术平均声压来计算双传声器法的声场声压值，这样不仅可以有效的减少声强测量中的高频误差，对有限差分误差起到了补偿作用，而且还大大减小了声压谱计算中的计算量。

The error compensation is introduced in the interpolation algorithm to increase the interpolation point's solution precision of the parametric curve, and the reasonable simplification of the compensation expression is carried in the solution process to decrease the calculation load of interpolation.

通过引入误差补偿值以提高参数曲线插补点的求解精度，在求解过程中对误差补偿值进行合理简化以降低插补计算量。

On ultra precision lathe, author propose the principle of error in-process measurement and compensation of cylinder, end and contour, and use adjusted straightedge and sensor to build error on-line measurement and compensation control system of end turning.

研究了基于模糊数和插值原理的模糊控制算法，并用该算法实现了压电陶瓷微动刀架伺服系统的闭环控制，使其控制精度达到了±0.01μm；在超精密车床上，提出了圆柱面、端面和轮廓加工的误差在线测量与补偿原理，并利用标定的直尺和传感器建立了端面车削误差在线测量和补偿控制系统。

By utilizing the theory of numerical processing, digital frequency spectrum analysis and multi-rate digital signal processing, this paper focuses the research on mechanism of the testing error, the compensation of testing error in the field of sampling technology, nonsynchronous sampling, nonuniformly sampling, and puts forward some new analyzing, compensation and realization methods.

本论文通过运用数值处理、数字频谱分析和多抽样率信号处理的有关理论和原理，对采样技术、采样的非同步方式和采样的多通道方式中的测试原理、测试误差产生机理、测试误差补偿及其应用技术等主要环节进行了深入的研究，提出了一些新的分析与处理方法，建立了有关测试误差分析与补偿的预估理论和实现方法。

The characteristic of error of sculling compensation is also studied to analyze the precision of compensation of algorithms, and the result is given.

本文给出了新的速度误差补偿算法，提高了补偿的效果，取得了较好的效果。本文还对划船效应补偿剩余误差特性进行了研究，给出了算法精度的评定指标

The outer diameter of the boring bar is strictly limited by the size of the bored hole. In order to solve this problem, the first new structural micro-boring bar system with the function of active error compensation was developed.

在车削、铣削和磨削等外表面加工中，误差补偿用微进给刀架的结构形状、尺寸和体积都没有严格的限制，误差检测传感器和补偿驱动传感器能够方便地安装在微进给刀架内。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。