Mechanical Fault Diagnosis of High-Voltage Circuit Breakers Based on Multi-Sensor Gramian Angular Field and Deep Residual Network
A mechanism-aware diagnostic pipeline that combines synchronized coil-current, contact-travel, and spring-pressure measurements; Variational Mode Decomposition (VMD); kinematics-driven Region of Interest (ROI) alignment; Gramian Angular Field (GAF) encoding; RGB channel stacking; and ResNet-18 classification is present...