Yuan Fang, Yang Zhou, Jing Zhao, Kaige Gong. Fast-Precision Measurement Method of Linear Motor Mover Position[J]. Laser & Optoelectronics Progress, 2020, 57(18): 181005
- Laser & Optoelectronics Progress
- Vol. 57, Issue 18, 181005 (2020)
Fig. 1. Linear motor mover position measurement system
Fig. 2. Fence stripe images of different kinds. (a) Image of periodic fence; (b) aperiodic fence image of equal stripe width; (c) aperiodic fence image of black-white; (d) aperiodic fence image of gray scale
Fig. 3. Measurement errors of different algorithms. (a) Measurement errors of five algorithms; (b) comparison of measurement errors of two algorithms
Fig. 4. Displacement detection results under different intensity noises
Fig. 5. Runtime of different algorithms
Fig. 6. Regression structure diagram of DNN
Fig. 7. Modeling process of DNN
Fig. 8. Accuracy check of models. (a) DNN model; (b) SVM model
Fig. 9. Number of iterations of GA
Fig. 10. Experiment platform of position detection
Fig. 11. Signals acquired by line-scanning camera
Fig. 12. Error curves under different illuminations
Fig. 13. Measurement results of different target images
Fig. 14. Tracking accuracy of different speeds
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Table 1. Design parameters of the fence image
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Table 2. Output of different fence images
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Table 3. Optimized design parameters
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