Natural logarithm particle swarm optimization for loss reduction in an island power system

Picanço, Alessandra F.; de Souza, Antônio C. Zambroni; Oliveira, Andressa Pereira

doi:10.1016/j.mex.2024.102924

MethodsX

2024

DOI: 10.1016/j.mex.2024.102924

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Natural logarithm particle swarm optimization for loss reduction in an island power system

Alessandra F. Picanço,

Antônio C. Zambroni de Souza,

Andressa Pereira Oliveira

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2024

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Comparative Study on Online Prediction of TP2 Rolled Copper Tube Wall Thickness Based on Different Proxy Models

Yue,

Sha,

Sun

et al. 2024

Materials

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The wall thickness of the TP2 copper tube casting billet is not uniform after a three-roll planetary rotational rolling, which affects the wall thickness uniformity of the copper tube in the subsequent process. In order to study the influence of wall thickness at different positions of copper pipe after rolling on the wall thickness of copper pipe after joint drawing, an online ultrasonic test platform was used to measure the wall thickness of copper pipe after tying, and based on the test data, a finite element model of copper pipe billet was established, and the numerical simulation of joint drawing wall thickness was conducted. Based on the results of the ultrasonic testing experiment and finite element simulation, different neural network models were used to predict the joint tensile wall thickness with the data of the ultrasonic testing experiment as input and the results of finite element simulation as output. The prediction effect of different neural network models was compared, and the results showed that the prediction and fitting effect of the SVM model was better, but overfitting occurred during the fitting process. Furthermore, particle swarm optimization is used to optimize the penalty parameter C and the kernel parameter g in the SVM model. Compared with the traditional SVM model, the PSO–SVM model is more suitable for the prediction of joint tensile wall thickness, which can better guide the production to solve this problem.

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Comparative Study on Online Prediction of TP2 Rolled Copper Tube Wall Thickness Based on Different Proxy Models

Yue,

Sha,

Sun

et al. 2024

Materials

View full text Add to dashboard Cite

show abstract

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Natural logarithm particle swarm optimization for loss reduction in an island power system

Cited by 1 publication

References 18 publications

Comparative Study on Online Prediction of TP2 Rolled Copper Tube Wall Thickness Based on Different Proxy Models

Comparative Study on Online Prediction of TP2 Rolled Copper Tube Wall Thickness Based on Different Proxy Models

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