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Rolling Force Prediction of Hot Rolling Based on GA-MELM by Jingyi Liu; Xinxin Liu; Ba Tuan Le is a Physics and Astronomy article available to read on EtoBox.

What is Rolling Force Prediction of Hot Rolling Based on GA-MELM about?

In the hot continuous rolling process, the main factor affecting the actual thickness of strip is the rolling force. The precision of rolling force calculation is the key to realize accurate on-line control. However, because of the complexity and nonlinearity of the rolling process, as well as many influencing factors, the theoretical analysis of the traditional rolling force prediction model often needs to be simplified and hypothesized. This leads to the incompleteness of the mathematical model and the deviation between the calculated results and the actual working conditions. In this paper, a rolling force prediction method based on genetic algorithm (GA), particle swarm optimization algorithm (PSO), and multiple hidden layer extreme learning machine (MELM) is proposed, namely, PSO-GA-MELM algorithm, which takes MELM as the basic model for rolling force prediction. In the modeling process, GA is used to determine the optimal number of hidden layers and the optimal number of hidden nodes, and PSO is used to search for the optimal input weights and biases. This method avoids the influence of human intervention on the model and saves the modeling time. This paper takes the actual p

Who reads Rolling Force Prediction of Hot Rolling Based on GA-MELM?

It is typically read by researchers, students, and practitioners in Physics and Astronomy.

Author
Jingyi Liu; Xinxin Liu; Ba Tuan Le
Publisher
Hindawi Limited
Published
2019
Language
EN
Field
Physics and Astronomy (Physical Sciences)

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