Patent No. EP4157762 (titled "Method For The Machine-Based Determination Of The Functional State Of Support Rollers Of A Belt Conveyor System, Computer Program And Machine-Readable Data Carrier") was filed by Flsmidth on May 21, 2021. The application was issued on Dec 25, 2024.
Method for determining the functional state of support rollers in a belt conveyor system during operation, using an unmanned vehicle equipped with an imaging sensor system that captures thermal and photo image data of the conveyor system. The vehicle automatically detects and recognizes support rollers in the image data, and analyzes thermal data from defined analysis positions to determine the functional state of the rollers.

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