Jian QIAO, Yang WU, Nengda CHENG, Weilin CHENG, Jingwei YANG. Spatial position detection system for high reflection strip transmission[J]. Optics and Precision Engineering, 2022, 30(11): 1301
- Optics and Precision Engineering
- Vol. 30, Issue 11, 1301 (2022)
Fig. 1. Principle diagram of strip spatial position measurement
Fig. 2. Block diagram of strip spatial position measuring system
Fig. 3. Optical system with beam shaping instrument
Fig. 4. Experimental devices for strip spatial position measurement
Fig. 5. Comparison of spot images before and after shaping
Fig. 6. Positioning results of double spot center
Fig. 7. Relationship between positions of spot and strip
Fig. 8. Fourth-order polynomial fitting result
Fig. 9. Position change of strip at different transmission speeds
Fig. 10. Measurement errors
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Table 1. Result of polynomial fitting
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Table 2. Parameters of fourth-order polynomial fitting
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Table 3. Correlation and difference analysis
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