minimum zone

This thesis analyzes four kinds of roundness evaluating methods, such as the least squire circle method, the minimum circumscribed circle method, the maximum inscribed circle method and the minimum zone circle method.

分析了四种圆度误差的评定方法，即最小二乘圆法、最小外接圆法、最大内接圆法和最小区域法，并对所选定的最小二乘圆法进行了算法推导。

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flatness error was obtained by minimum zone law which decided by triangle rule and cross rule.

用最小包容区域法求平面度误差.最小包容区域判别准则有三角形准则和交叉准则.

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Sphericity Error of minimum zone applies to the criterion of Sphericity Error of minimum condition principle.

“最小区域球”意义上的球度误差,是符合“最小条件原则”的球度误差评定标准.

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And the Maximum high points in Minimum zone method can only belong to the set of high points, Minimum low points belongs to the set of low points, and neither of them could appear in saddle points.

并指出最小包容区域法中的最高点只出现在高点中，最低点只出现在低点中，最高（低）点不会出现在鞍点中。

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The relationship between the minimum zone circle, minimum circumscribed circle and maximum inscribed circle was studied. Based on their relationship, the minimum zone circle and minimum circumscribed circle, maximum inscribed circle were transformed mutually.

本文研究了最小区域圆与最小外接圆、最大内接圆特征点的相互关系，实现了最小区域圆与最小外接圆、最大内接圆的相互转化，可有效解决最小区域圆的误差评定。

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a method for minimum zone evaluation of space linearity error based on principle of coordinate transformation

基于坐标变换原理的最小区域法评定空间直线度误差

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It showed the correctness of the criteria of roundness error and relationship between the minimum zone circle, minimum circumscribed circle and maximum inscribed circle and the effectiveness of the methods for evaluation of roundness error.

也验证了圆度误差判别准则及最小区域圆、最小外接圆和最大内接圆特征点间的相互关系的准确性和误差评定方法的有效性。

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Error of minimum zone applies to the criterion of Sphericity Error of minimum condition principle.

最小区域法是符合最小条件的一种直线度误差评定方法,但较难实现.

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According to the definition of the minimum zone method, the mathematical model is presented for evaluating flatness error and establishing datum plane equation.

建立了用遗传算法实现圆柱度误差最小区域法评定时目标函数数学模型的计算方法。

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