A real-time arc acoustic detection and early warning system for civil Aircraft Power Panel Box fault arc

This Paper analyzes the fault characteristics of CIVIL AIRCRAFT POWER PANEL BOX fault arc, introduces the causes of civil aircraft fault arc, proposes a civil aircraft power panel box arc acoustic pre-inspection scheme, and uses wavelet decomposition to process AND analyze the signal in real time, and extracts the signal spectrum characteristics. It is of great practical significance to set up a set of arc sound monitoring system for civil aircraft fault arc warning to reduce the hazard and probability of fault arc.