Testing Using Acoustic Measurements TRIZ Cases
- Electrical Conductor Vibration Detection for Noise-Robust Fault Sensing
Machine-learned vibration baselines help detect abnormal conductor events despite noise, cutting false alarms and missed discharges.
- Vacuum Circuit Breaker Arc Duration Sensing With Sensor Fusion
Non-invasive electric, magnetic, vibration, and acoustic sensing estimates vacuum circuit breaker arc duration for wear and lifespan analysis.
- Elevator Traction Belt Insulation Defect Detection by Electrostatic Scanning
Electrostatic scanning detects slits or holes in elevator traction belt insulation faster and more reliably than visual inspection.
- Fluid-Filled Tubular Probe for Remote Electric Arc Detection
A fluid-filled tubular probe carries arc-generated acoustic waves to a remote sensor, enabling detection and localization along long electrical cables.
- Acoustic Signal Parsimony for Electric Arc Detection
Compressed sensing extracts signal sparsity to detect arcs, reducing calculation resources and avoiding false alarms from load perturbations.
- Partial Discharge Positioning via Nonlinear to Linear Model Transformation
Linearizing nonlinear positioning equations eliminates iterative convergence failures and reduces operation time for accurate partial discharge detection.