Zu-rong QIU, Lei ZHOU, Jie XUE, Zhen YU. Angle error compensation of precision reducer tester[J]. Optics and Precision Engineering, 2021, 29(11): 2622
- Optics and Precision Engineering
- Vol. 29, Issue 11, 2622 (2021)
Fig. 1. Angle measuring system of precision reducer tester
Fig. 2. Schematic diagram of embedded control and signal acquisition system
Fig. 3. Experimental setup for calibration of angle measurement error
Fig. 4. Flow chart of automatic calibration
Fig. 5. Operation interface of automatic calibration system
Fig. 6. Angle measurement error data and harmonic compensation curve
Fig. 7. Angle measurement error model obtained by training point and harmonic neural network combined compensation method
Fig. 8. Comparison of residuals between error harmonic method and harmonic neural network combined compensation method
Fig. 9. Schematic diagram of autocollimator cross line tilt
Fig. 10. Data drift of autocollimator in X -axis
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Table 1. Amplitude and phase obtained by error harmonic method
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Table 2. Angle measurement error before and after compensation of verification points
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