Applied Mathematics and Mechanics >
Designing and optimizing an intelligent self-powered condition monitoring system for mining belt conveyor idlers and its application
Received date: 2025-04-14
Revised date: 2025-05-26
Online published: 2025-09-12
Supported by
Project supported by the National Natural Science Foundation of China (Nos. 12172248, 12302022, 12021002, and 12132010) and the Tianjin Research Program of Application Foundation and Advanced Technology of China (No. 23JCZDJC00950)
Copyright
Belt conveyors are extensively utilized in mining and power industries. In a typical coal mine conveyor system, coal is transported over distances exceeding 2 km, involving more than 20 000 idlers, which far exceeds a reasonable manual inspection capacity. Given that idlers typically have a lifespan of 1–2 years, there is an urgent need for a rapid, cost-effective, and intelligent safety monitoring system. However, current embedded systems face prohibitive replacement costs, while conventional monitoring technologies suffer from inefficiency at low rotational speeds and lack systematic structural optimization frameworks for diverse idler types and parameters. To address these challenges, this paper introduces an integrated, on-site detachable self-powered idler condition monitoring system (ICMS). This system combines energy harvesting based on the magnetic modulation technology with wireless condition monitoring capabilities. Specifically, it develops a data-driven model integrating convolutional neural networks (CNNs) with genetic algorithms (GAs). The conventional testing results show that the data-driven model not only significantly accelerates the parameter response time, but also achieves a prediction accuracy of 92.95%. The in-situ experiments conducted in coal mines demonstrate the system's reliability and monitoring functionality under both no-load and full-load conditions. This research provides an innovative self-powered condition monitoring solution and develops an efficient data-driven model, offering feasible online monitoring approaches for smart mine construction.
Xuanbo JIAO , Zhixia WANG , Wei WANG , F. S. GU , S. HEYNS . Designing and optimizing an intelligent self-powered condition monitoring system for mining belt conveyor idlers and its application[J]. Applied Mathematics and Mechanics, 2025 , 46(9) : 1679 -1698 . DOI: 10.1007/s10483-025-3291-6
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