Error Separation Technique and Data Processing in the Roundness Measuring
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摘要: 詳細推導出三測頭誤差分離原理用于測量工件圓度誤差的數學公式;論述用滑動平均法和數字濾波法對采樣數據作處理,可有效地抑制干擾信號,提高信噪比;通過對比實驗證明上述方法對提高測量精度有明顯效果。Abstract: The mathematical formulas for roundness measurement has been descussed firstly based on the tri-probe error separation technique.Then the slideaverage method and digital filtering method employed in the data processing were discussed, these methods can effectiveoy control the interference signal and mise the signal/noise ratio.It is examined exeperimentally that the accuracy of roundness measurementcan be remarkablely improval with these methlods.
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Key words:
- roundness measurement /
- data processing/error separation
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