提出一种计算空间面轮廓度误差的新方法。
A new method for calculating the space surface profile error based on genetic evolution algorithm is proposed.
提出用逐次逼近思想来评定复杂曲线的轮廓度误差的方法。
An approaching method was proposed to evaluate the profile error of curve.
介绍了面轮廓度公差的定义及面轮廓度误差的各种测量方法。
The definition of surface profile tolerance and the different measure method of surface profile tolerance error are introduced in this paper.
本文建立了用最小二乘法评定复杂曲面面轮廓度误差的通用数学模型。
In this paper, a general mathematic model of profile error of complex surfaces is proposed with the least squares evaluation.
提出了一种基于遗传算法和自适应的计算平面线轮廓度误差的新方法。
Study on error online measurement for complex curved surface profile error of skew roller based on error separation technique;
编写了重建的船体分段面与理想模型之间轮廓度误差评价的计算机程序模块。
Program a software to make an error margin of outline evaluation between the reconstruction of ship body and ideal model.
曲面轮廓度误差评价和多边域逼近均要求对理论曲面进行数字化自适应采样。
Adaptive sampling algorithm of surface play an important role in evaluation of profile deviation and surface triangular approximation.
轮廓度误差是零件形位公差国家标准和国际标准中应用广泛而又难于测量和评定的项目。
The profile error is the item which applies widespread but difficult to measure and evaluate in country standard and international standard of the components shape error and position error.
自由曲线的轮廓常用离散点来表示，而不是已知的数学方程，评定其轮廓度误差非常困难。
The profile of the random curve is expressed not by mathematical equation but by discrete points, which makes it very difficult to evaluate the profile error.
研究了在数控加工中利用误差分离技术测量线轮廓度误差的新方法，在推导数学模型基础上进行计算机仿真。
The new method of measurement profile error of any line with error separation technique is studied. Based on developing mathematical models, computer imitation is made .
详细研究了测量系统各组成部分的特性和系统的实现方法，完成了已知自由曲面的测量和轮廓度误差评定，实现了未知自由曲面的测量和数学模型的建立。
The design method of the system and the characteristics of its components are studied in detail. By using this system, a known free-form surface can be measured and its profile error can be assessed.
轮廓的尺寸量、位置量以及形状误差估计值的不确定度与测量误差、被测轮廓的形状特征以及采样策略等有关。
Sampling strategy, measurement errors and measured contour form features are all related to the uncertainty analysis for dimension, position and form error estimated.
在测量尺寸时，依据图像分割所提取的轮廓，使用自编程序利用最小区域法对圆度误差进行评定，并计算、测量链板的孔径和节距。
Roundness error is evaluated by minimum region law. The diameter of the holes and the distance between the axes of two holes are calculated and measured by program.
针对被测球面轮廓的尺寸小、精度高的特点，采用“气动法”测量球度误差。
Aimed at the spheric face of smaller diameter and sphericity of a higher-precision, a new method called "pneumatic measurement" is used in the area of sphericity error measurement.
针对被测球面轮廓的尺寸小、精度高的特点，采用“气动法”测量球度误差。
Aimed at the spheric face of smaller diameter and sphericity of a higher-precision, a new method called "pneumatic measurement" is used in the area of sphericity error measurement.
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