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Tool remaining useful life prediction method based on LSTM under variable working conditions

International journal of advanced manufacturing technology, 2019-10, Vol.104 (9-12), p.4715-4726 [Peer Reviewed Journal]

Springer-Verlag London Ltd., part of Springer Nature 2019 ;The International Journal of Advanced Manufacturing Technology is a copyright of Springer, (2019). All Rights Reserved. ;Springer-Verlag London Ltd., part of Springer Nature 2019. ;ISSN: 0268-3768 ;EISSN: 1433-3015 ;DOI: 10.1007/s00170-019-04349-y

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  • Title:
    Tool remaining useful life prediction method based on LSTM under variable working conditions
  • Author: Zhou, Jing-Tao ; Zhao, Xu ; Gao, Jing
  • Subjects: CAE) and Design ; Computer-Aided Engineering (CAD ; Continuous production ; Correlation ; Engineering ; Feature extraction ; Industrial and Production Engineering ; Life prediction ; Mechanical Engineering ; Media Management ; Original Article ; Prediction models ; Signal processing ; Tool life ; Tool wear ; Useful life ; Working conditions
  • Is Part Of: International journal of advanced manufacturing technology, 2019-10, Vol.104 (9-12), p.4715-4726
  • Description: Tool remaining useful life prediction is important to guarantee processing quality and efficient continuous production. Tool wear is directly related to the working conditions, showing a complex correlation and timing correlation, which makes it difficult to predict the tool remaining useful life under variable conditions. In this paper, we seek to overcome this challenge. First, we establish the unified representation of the working condition, then extract the wear characteristics from the processing signal. The extracted wear features and corresponding working conditions are combined into an input matrix for predicting tool wear. Based on this, the complex spatio-temporal relationship under variable working conditions is captured. Finally, using the unique advantages of the long short-term memory (LSTM) model to solve complex correlation and memory accumulation effects, the tool remaining useful life prediction model under variable working conditions is established. An experiment illustrates the effectiveness of the proposed method.
  • Publisher: London: Springer London
  • Language: English
  • Identifier: ISSN: 0268-3768
    EISSN: 1433-3015
    DOI: 10.1007/s00170-019-04349-y
  • Source: ProQuest Central
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