Sensors & Electronics
Physical Property Sensors
Automated Color Sorting of Objects (126)
Problem: Provide rapid, reliable color characterization and sorting of objects using a simple optics and electronics system
Compact Optical SubsystemProject Activity Scope (from Technical Overview Chart): Devices through Integrated Systems
PNNL Solution:
- Recorded spectral reflectance data on sample population
- Determined distinctive color signatures of different objects
- Selected optical filters to provide reliable color identification using two-channel detection system
- Deployed system
Signal Grouping from Two Color-filtered Detectors for Color Sorting
Capabilities Employed to Meet Client Needs: Spectrophotometric measurements for color spectral signature determination; spectral analyses to determine wavelengths providing reliable color separation; optical system design including light source, color filtration, object imaging, and optical detectors; electronics for detector signal amplification and signal discrimination based on two-channel threshold criteria for each color; mechanical design for optical system mounting.
Selected Links to Related Information:
- Similar Technology Examples (Same or Different Application)
Contact: John Hartman
