Machine vision based damage detection for conveyor belt safety using Fusion knowledge distillation

Xiaoqiang Guo, Xinhua Liu, Paolo Gardoni, Adam Glowacz, Grzegorz Królczyk, Atilla Incecik, Zhixiong Li

Research output: Contribution to journalArticlepeer-review

Abstract

A belt conveyor system is one of the essential equipment in coal mining. The damages to conveyor belts are hazardous because they would affect the stable operation of a belt conveyor system whilst impairing the coal mining efficiency. To address these problems, a novel conveyor belt damage detection method based on CenterNet is proposed in this paper. The fusion of feature-wise and response-wise knowledge distillation is proposed, which balances the performance and size of the proposed deep neural network. The Fused Channel-Spatial Attention is proposed to compress the latent feature maps efficiently, and the Kullback-Leibler divergence is introduced to minimize the distribution distance between student and teacher networks. Experimental results show that the proposed lightweight object detection model reaches 92.53% mAP and 65.8 FPS. The proposed belt damage detection system can detect conveyor belt damages efficiently and accurately, which indicates its high potential to deploy on end devices.

Original languageEnglish (US)
Pages (from-to)161-172
Number of pages12
JournalAlexandria Engineering Journal
Volume71
DOIs
StatePublished - May 15 2023
Externally publishedYes

Keywords

  • Belt tear detection
  • CenterNet
  • Deep Learning
  • Reliability and Risk

ASJC Scopus subject areas

  • General Engineering

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