Damaged cables recognition based on improved Freeman rule

LIU Kun-peng1， WANG Bin-hai2，3， CHEN Xi-guang3， JIN Li-jun1
（1. College of Electronics and Information Engineering， Tongji University， Shanghai 201804，China；
2. State Grid Electric Power Robotic Laboratory， Shandong Electric Power Research Institute， Jinan 250002，China；
3. Shandong Luneng Intelligence Technology Co.， Ltd.， Jinan 250101，China）

Abstract： In order to solve the problems of transmission line fault detection，applying image recognition technology to power system fault detection，a simple and efficient algorithm to detect damaged cables was proposed. Based on Freeman rule，a new rule to mark some abnormal points was proposed according feature of damaged cable after level correction. The vertical distance between these abnormal points and the benchmark transmission line can be calculated，and used to detect damage of transmission lines. Theoretical analysis and experimental result shows that the algorithm is feasible and efficient as well as high recognition rate.
Key words： chain code； level correction； damaged cables； recognition