Combining a semiconductor film with a phototube improves UV flame sensitivity while rejecting sunlight and reducing fragility and cost.
Time-series temperature and axial force data feed a 1D CNN to predict FSW joint tensile strength non-destructively with about 2% error.
Infrared, plasma, and spectral signals enable real-time weld defect inspection without destructive sampling, while improving ML training data.
Real-time IR, plasma, and spectral sensing enables non-destructive weld defect inspection and improves machine learning training data.
An internal calibration light source shares the detection axis to align multiple photosensors, improving optical path accuracy and signal-to-noise ratio.
Infrared weld signals captured after laser welding help identify poor joints and support automatic repair for stable battery contact.
Infrared signals captured after sheet laser welding let an IPC detect poor welds quickly enough to protect stable battery electrical contacts.
Time-sequenced thermal sensing guides real-time adjustment of weld vee length, angle, and pressure to improve seam consistency.
Discharge-count-based flame sensing improves combustion state detection despite power voltage fluctuations, helping identify abnormalities early.
Pixel-level threshold images combine thermal contrast and imager sensitivity to improve gas leak detection under changing backgrounds and noise.
Multiple wavelength sensors adapt sensitivity to media and ambient conditions, improving fire detection while reducing false alarms.
Multi-wavelength absorption measurement adjusts spark detection thresholds in media-filled reservoirs to cut false alarms and improve ignition risk assessment.
Color-coded LEDs show fire, fault, and normal states for daisy-chained optical sensors, speeding troubleshooting in fire suppression systems.
Automatic baffle closure blocks high-energy infrared sources before they burn the image sensor, preserving thermal images and temperature measurement.
Multi-wavelength absorption measurement improves ignition detection in media-filled reservoirs by reducing false alarms and adjusting sensitivity.
UV photodiode sensing converts high-temperature radiation into current, enabling remote temperature measurement where IR methods face distance limits.