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Camera-based PHM method in rotating machinery equipment micro-action scenarios
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Online publication date: 2023-01-27
Publication date: 2023-01-27
Eksploatacja i Niezawodność – Maintenance and Reliability 2023;25(1):10
  • A new PHM method which combines image processing and deep learning.
  • Condition monitoring, anomaly detection, defect early warning using micro-action.
  • Rmcad Framework, TSML-net, 1DCNN.
  • Visualization of categories without dimension reduction.
  • Using a camera as a sensor, sensing the data of opening degree, anomaly label, and health label.
The health operation of rotating machinery guarantees safety of the project. To ensure a good operating environment, current subway equipment inspections frequency is high, resulting in a waste of resources. Small abnormal changes in mechanical equipment will also contribute to the development of mechanical component defects, which will ultimately lead to the failure of the equipment. Therefore, mechanical equipment defects should be detected and diagnosed as soon as possible. Through the use of graphic processing and deep learning, this paper proposes Rmcad Framework with three aspects: condition monitoring, anomaly detection, defect early warning. Using a network algorithm, this paper proposes an improved model that has the characteristics of two-stream and multi-loss functions, which improves the accuracy of detection. Additionally, a defect warning method is constructed to improve the perception ability of equipment before failure occurs and reduce the frequency of frequent maintenance by detecting anomalies according to the degree of opening.
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