Experimental Stand for Sorting Components Dismantled from Printed Circuit Boards
Abstract
:1. Introduction
2. Materials and Methods
2.1. An Overview of the Sampled Materials
2.2. Data Acquisition of HSI
2.3. Data Processing with LabVIEW
2.4. The First Stage of Sorting
2.4.1. HSI Acquisition and Analysis Using LabVIEW
2.4.2. Control of the Delta X Robot with LabVIEW
2.5. The Second Stage of Sorting
2.5.1. Contour Vision Sensor Algorithm
2.5.2. PLC Control System
3. Results and Discussions
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Hyperspectral Camera Image | Material Signature Identification | Image Processing Algorithms |
---|---|---|
-Spectral band: 115 -λ = 701,81 nm -Auto threshold (inter-variance) -Morphology | ||
Spectral band: 180 -λ = 880,58 nm -Threshold -Morphology -Particle filter | ||
Spectral band: 180 -λ = 880,58 nm -Low-pass filter -Threshold -Particle filter | ||
Spectral band: 180 -λ = 880,58 nm -Low-pass filter -Threshold -Morphology -Particle filter |
Case Number | Stage 1 | Stage 2 | ||
---|---|---|---|---|
Large Silicon Chips | Silicon Chips with Resin | Fiber Glass | Small Silicon Chips | |
Case I | 70% | 70% | 90% | 60% |
Case II | 80% | 90% | 90% | 70% |
Case III | 90% | 80% | 100% | 90% |
Case IV | 70% | 90% | 90% | 90% |
Case V | 80% | 80% | 100% | 100% |
Case VI | 100% | 90% | 80% | 100% |
Case VII | 90% | 80% | 90% | 70% |
Case VIII | 100% | 90% | 100% | 100% |
Case IX | 100% | 100% | 100% | 80% |
Case X | 100% | 100% | 100% | 90% |
Average | 88% | 87% | 94% | 85% |
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Rapolti, L.; Rodica, H.; Grindei, L.; Purcar, M.; Dragan, F.; Copîndean, R.; Reman, R. Experimental Stand for Sorting Components Dismantled from Printed Circuit Boards. Minerals 2021, 11, 1292. https://0-doi-org.brum.beds.ac.uk/10.3390/min11111292
Rapolti L, Rodica H, Grindei L, Purcar M, Dragan F, Copîndean R, Reman R. Experimental Stand for Sorting Components Dismantled from Printed Circuit Boards. Minerals. 2021; 11(11):1292. https://0-doi-org.brum.beds.ac.uk/10.3390/min11111292
Chicago/Turabian StyleRapolti, Laszlo, Holonec Rodica, Laura Grindei, Marius Purcar, Florin Dragan, Romul Copîndean, and Robert Reman. 2021. "Experimental Stand for Sorting Components Dismantled from Printed Circuit Boards" Minerals 11, no. 11: 1292. https://0-doi-org.brum.beds.ac.uk/10.3390/min11111292