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Joint processing technology of laser radar and optical image for power distribution
Liangshuai Liu1, Ze Chen2, Zhenfei Huo2
1State Grid Hebei Electric Power Research Institute, Shijiazhuang, 050000, Hebei, China. liuliangshuai214@163.com.
Scientific Reports
|January 13, 2026
Summary
A new Multimodal Deep Feature Hybrid Deep Learning Model (MDF-HDL) accurately identifies power grid faults using diverse data. This advanced system improves fault management efficiency and reliability in complex electrical networks.
Area of Science:
- Electrical Engineering
- Computer Science
- Artificial Intelligence
Background:
- Traditional power distribution systems struggle with fault identification due to unpredictable loads and complex fault propagation, leading to false alarms and slow response times.
- Existing methods lack the precision required for efficient maintenance planning in modern, complex grid environments.
Purpose of the Study:
- To develop an advanced fault identification and localization system for power distribution networks.
- To overcome the limitations of traditional systems by enhancing accuracy, reducing response times, and improving precision.
Main Methods:
- The Multimodal Deep Feature Hybrid Deep Learning Model (MDF-HDL) integrates LiDAR, optical images, and sensor data for comprehensive fault identification.
- Deep learning layers create multimodal feature representations, enhanced by Kalman filtering for feature fusion.
- Decision trees, optimized with the Adam algorithm, refine classification results, while GIS mapping aids precise fault localization.
Main Results:
- The MDF-HDL model achieved high performance metrics: 98.91% accuracy, 98.7% precision, 98.3% recall, and 98.5% F1-score.
- The system demonstrated a rapid inference time of 12.5 milliseconds, indicating high efficiency.
- GIS mapping integration facilitated precise fault identification for effective maintenance planning.
Conclusions:
- The MDF-HDL model offers a dependable and effective solution for fault management in complex power grid contexts.
- By leveraging multimodal data and advanced algorithms, the system surpasses traditional constraints in fault identification and localization.
- The model's low computational complexity and high accuracy make it a valuable tool for modernizing power distribution infrastructure.

