2020
DOI: 10.1007/s40436-020-00293-3
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Thermal error regression modeling of the real-time deformation coefficient of the moving shaft of a gantry milling machine

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Cited by 14 publications
(7 citation statements)
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“…It is known that u = 6,v=1. The number of hidden layer neurons is calculated between [4,13]. In order to find the most points of the hidden layer, we use Bayesian neural network to train different number of neurons.…”
Section: B Determine the Number Of Neurons In The Hidden Layermentioning
confidence: 99%
See 1 more Smart Citation
“…It is known that u = 6,v=1. The number of hidden layer neurons is calculated between [4,13]. In order to find the most points of the hidden layer, we use Bayesian neural network to train different number of neurons.…”
Section: B Determine the Number Of Neurons In The Hidden Layermentioning
confidence: 99%
“…In addition, the thermal error model also needs to be considered for the same type of machine tools to further verify the robustness and practicability of the model. Ye et al [4] proposed a new regression analysis modeling method to determine the thermal deformation coefficient of machine tool moving shaft. The parameters of the thermal prediction model were obtained by the measurement of the thermal error, current boundary and machining conditions with sensors.…”
Section: Introductionmentioning
confidence: 99%
“…Hu Shi [9] introduced a new model based on Bayesian neural networks, reducing the thermally induced errors of the CNC machine tool feed drive system from approximately 18.2 µm to 5.14 µm, resulting in a 71% error reduction. Wenhua Ye [10] presented a novel modeling method to determine the thermal deformation coefficients of machine tool dynamic axes. They used regression theory to establish a thermal error correction model for machine tool positioning and straightness, validating its accuracy on the QLM27100-5X experimental platform of a five-axis linked gantry machine tool sourced from Xiqiao Lian CNC Machine Tool Sales Co., Ltd., located in Wuxi, China.…”
Section: Introductionmentioning
confidence: 99%
“…The feeding system's thermal error is reduced from 1.73 to 0.88 μm with the online compensation. In addition to the neural networks, the multiple linear regression [8,9] , support vector machine(SVM) [10] and grey rough set theory [11] were also widely adopted in the feed system thermal error modeling [12] . Due to the difficulty of measuring the screw temperature distribution directly, the temperature at the nut and bearing where the data is easier to collect is taken as the input to the data-based model.…”
Section: Introductionmentioning
confidence: 99%