Abstract
The quality of workpieces is affected by many factors, such as machine tool errors, and their machining accuracy needs to be improved. Therefore, an accuracy prediction method based on the attention convolutional long short-term memory neural network (ACLSTM) is proposed in this paper. According to an analysis of the operational data of certain equipment, such as the temperature, the current and the rotational speed of each motion axis of the machine tool, this method completes the prediction of the workpiece grinding accuracy. The experimental results show that the ACLSTM method is able to quickly and accurately predict the actual workpiece size after processing. The result of the proposed method was compared with other conventional regression prediction methods, and the performance of ACLSTM is significantly better than other methods, which can be practically applied to the workpiece size prediction in industrial processing to further control processing quality.
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Data availability
The datasets used during the current study are available from the corresponding author on reasonable request.
Code availability
The codes used during the current study are available from the corresponding author on reasonable request.
Abbreviations
- ACLSTM:
-
Attention convolutional long short-term memory neural network
- CLSTM:
-
Convolutional long short-term memory neural network
- LSTM:
-
Long short-term memory neural network
- ACNN:
-
Attention convolutional neural network
- KNN:
-
K-nearest-neighbor regression
- SVR:
-
Support vector regression
- MLP:
-
Multi-layer perceptron regression
- AE:
-
Autoencoder
- AM:
-
Attention mechanism
- SE_Block:
-
Squeeze and excitation network block
- ReLU:
-
Rectified linear unit
- LeakyReLU:
-
Leaky rectified linear unit
- FC:
-
Full connection
- MSE:
-
Mean squared error
- MAE:
-
Mean absolute error
- EVS:
-
Explained variance score
- R 2 :
-
Coefficient of determination score
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Funding
This work is supported by the National Key Research and Development Program of China under grant 2018YFB1701203.
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Haipeng Wu, Writing—Original Draft, Visualization, Typesetting; Zhihang Li, Writing—Review & Editing, Experimental arrangement; Qian Tang, Project administration, Funding acquisition, Supervision; Penghui Zhang, Investigation, Data Curation, Methodology; Dong Xia, Resources, Supervision; Lianchang Zhao, Resources, Experimental arrangement
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Wu, H., Li, Z., Tang, Q. et al. A practical prediction method for grinding accuracy based on multi-source data fusion in manufacturing. Int J Adv Manuf Technol 127, 1407–1417 (2023). https://doi.org/10.1007/s00170-023-11561-4
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DOI: https://doi.org/10.1007/s00170-023-11561-4