Modeling and compensation of small-sample thermal error in precision machine tool spindles using spatial–temporal feature interaction fusion network

Q Chen, X Mei, J He, J Yang, K Liu, Y Zhou… - Advanced Engineering …, 2024 - Elsevier
Precision machine tools play a pivotal role in high-accuracy machining across diverse
sectors, from aerospace to medical devices. Among the factors affecting machining …

Thermal error modeling and compensation based on Gaussian process regression for CNC machine tools

X Wei, H Ye, E Miao, Q Pan - Precision Engineering, 2022 - Elsevier
Thermal errors are one of the main factors affecting the accuracy of high-precision computer
numerical control machine tools. Modeling and compensation are the most common …

A thermal displacement prediction system with an automatic LRGTVAC-PSO optimized branch structured bidirectional GRU neural network

PH Kuo, YW Chen, TH Hsieh, WY Jywe… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
Considering technology's rapid development, traditional manufacturing methods are
insufficient to achieve the high accuracy demanded by aerospace, national defense, and …

Spindle thermal error prediction modeling using vision-based thermal measurement with vision Transformer

G Fu, Y Zheng, G Lei, C Lu, X Wang, T Wang - Measurement, 2023 - Elsevier
Modeling and compensation of thermal errors is one important way to enhance the
machining accuracy of the machine tool. This paper proposes a thermal error prediction …

Transfer learning-based thermal error prediction and control with deep residual LSTM network

J Liu, C Ma, H Gui, S Wang - Knowledge-based systems, 2022 - Elsevier
The thermal error is a dominant factor that seriously hinders the high-accuracy machining of
complex parts. The weak robustness and low predictive accuracy have always been barriers …

A novel weakly supervised adversarial network for thermal error modeling of electric spindles with scarce samples

S Ma, J Leng, Z Chen, B Li, X Li, D Zhang, W Li… - Expert Systems with …, 2024 - Elsevier
Thermal error modeling (TEM) stands as a pivotal factor in maintaining the machining
accuracy of electric spindles. Deep learning (DL) techniques have shown promising …

[HTML][HTML] Thermal displacement prediction model with a structural optimized transfer learning technique

PH Kuo, TL Tu, YW Chen, WY Jywe, HT Yau - Case Studies in Thermal …, 2023 - Elsevier
Thermal deformation of the spindle accounts for a large proportion of existing errors. After
gathering data on thermal deformation through an experiment with a machine tool, AI …

Theoretical and experimental study on rotating heat pipe towards thermal error control of motorized spindle

F Luo, C Ma, J Liu, L Zhang, S Wang - International Journal of Thermal …, 2023 - Elsevier
The thermal equilibrium time (TET) is extremely long, and the thermal elongation (TE) is
obvious because the heat dissipation performance (HDP) is weak and the temperature …

A four-terminal-architecture cloud-edge-based digital twin system for thermal error control of key machining equipment in production lines

J Liu, C Ma, H Gui, S Wang - Mechanical Systems and Signal Processing, 2022 - Elsevier
Production lines are important for the high-accuracy and efficient machining of parts. The
thermal error of key machining equipment in production lines has a significant effect on the …

Correlation analysis-based thermal error control with ITSA-GRU-A model and cloud-edge-physical collaboration framework

Q Yuan, C Ma, J Liu, H Gui, M Li, S Wang - Advanced Engineering …, 2022 - Elsevier
To improve the machining accuracy of machine tools, a correlation analysis-based thermal
error control is realized on the basis of the improved tunicate swarm algorithm-gated …