Zhinan Guo, Xiaohong Liu, Zonghua Zhang. Simulation and Verification of Three-Dimensional Shape Measurement Method for Composite Surface[J]. Laser & Optoelectronics Progress, 2020, 57(19): 191202
- Laser & Optoelectronics Progress
- Vol. 57, Issue 19, 191202 (2020)
Fig. 1. Schematic diagram of three-dimensional shape measurement of composite surface
Fig. 2. Geometry of the composite surface DPMD measurement
Fig. 3. Acquisition model
Fig. 4. Specular fringe image obtained by simulation. (a) Reference surface; (b) measured surface; (c) reference surface collected by camera; (d) measured surface collected by camera
Fig. 5. Diffuse fringe image obtained by simulation. (a) Reference surface; (b) measured surface; (c) reference surface collected by camera; (d) measured surface collected by camera
Fig. 6. Height and error distribution of the composite surface. (a) Height; (b) error distribution
Fig. 7. Effect of system parameters on RMS. (a) Δd; (b) d; (c) P; (d) θ; (e) α
Fig. 8. Measuring system of composite surface
Fig. 9. Effect of actual measurement system parameters on RMS. (a) Δd; (b) d; (c) P; (d) θ; (e) α
Fig. 10. Three-dimensional reconstruction result of composite surface. (a) Tested composite steps; (b) fringe pattern of position1; (c) height map
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Table 1. Experimental results on the composite stepunit: mm
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