Continuous ship unloader chain bucket abnormity identification method and system

Through deep learning technology, the limitations of manual monitoring are solved, and the accurate identification and timely alarm of chain bucket abnormalities are achieved, ensuring the safe and efficient operation of the continuous ship unloader.

CN119722610APending Publication Date: 2025-03-28DALIAN HUARUI HEAVY IND GRP CO LTD
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Patent Information

Application Number
CN202411781773.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the prior art, abnormal monitoring of chain bucket continuous ship unloader mainly relies on manual labor, and there are problems of visual fatigue, subjective judgment and high false alarm rate, and it is difficult to monitor the abnormal working conditions of chain bucket in a timely and accurate manner.

Method used

The video picture deep learning is used to automatically identify the abnormal working conditions of the chain bucket, and the chain bucket position and guide wheel state are identified through the YOLO-Pose position detection model and PP-YOLO algorithm, and alarm information is output and connected to the PLC to pause the chain bucket lifting action.

Benefits of technology

It realizes accurate and rapid identification of chain bucket abnormalities, reduces the labor intensity of operation and monitoring personnel, reduces the false alarm and missed rate, and ensures the safe and efficient operation of the continuous ship unloading machine.

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Abstract

The invention provides a continuous ship unloader chain bucket abnormity identification method and system, and belongs to the technical field of harbor machinery intelligent monitoring. The method comprises the following steps: receiving a chain bucket image; performing coarse positioning on the chain bucket part in the chain bucket part image; identifying the poses of the chain buckets and the positions of the guide wheels in the chain bucket part image for the first time, and calculating the number of the chain buckets in the chain bucket part image and the distance between the chain buckets; based on the number of the chain buckets and the distance between the chain buckets, whether second identification calibration is carried out is judged; and if so, carrying out second identification calibration, fusing the second identification result and the first identification result, and outputting the working condition of the chain bucket. Through two times of recognition, the accuracy of chain bucket abnormity recognition is improved, whether stains exist in the camera or not is regularly detected, the accuracy of image acquisition is improved, and the accuracy of chain bucket abnormity recognition is further improved.
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