Sunday 19th of November 2017
 

A Method of neural network internal model control in unstable time-lag process


Liu Qi, Liu Qi, Zhang Honghui, Zhang Honghui, Shao Yonggang, Shao Yonggang, Liu Kuili, Liu Kuili, Wang Jie, Wang Jie, Chen Zhanwei, Chen Zhanwei, Huang Zhenzhen and Huang Zhenzhen

The phenomenon of unstable time-lag process is usually familiar in the process industry, but it is hard to be controlled by the conventional method. In this paper a control method called double-loop feedback is put forward, first internal feedback stabilization is adopted, then neural network is used to form the internal model control system, finally it solves the problem of bias and instability between the model and the real process. Through the simulation, it is seen that the method has short adjusting time and high control accuracy, which shows the validity and superiority of neural network internal model control.

Keywords: Unstable time-lag process; Internal feedback; RBF; Neural network; Internal model control; Double-loop control

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ABOUT THE AUTHORS

Liu Qi
Liu Qi graduated from the School of Electric Engineering, Zhengzhou Unisersity, Zhengzhou, Henan, PR China, with a Bachelor degree in engineering science in 2004. He then, obtained PGD and MSc in Control Theory and Engineering from Zhengzhou University, Zhengzhou, Henan, PR China, in 2010. He joined the services of the Department of Physics and Electronic Engineering, Zhoukou Normal University, Zhoukou, Henan, PR China, from 2004. He has more than 15 published papers. His current research interests are in control theory and its application, pattern recognition.

Liu Qi
Liu Qi graduated from the School of Electric Engineering, Zhengzhou Unisersity, Zhengzhou, Henan, PR China, with a Bachelor degree in engineering science in 2004. He then, obtained PGD and MSc in Control Theory and Engineering from Zhengzhou University, Zhengzhou, Henan, PR China, in 2010. He joined the services of the Department of Physics and Electronic Engineering, Zhoukou Normal University, Zhoukou, Henan, PR China, from 2004. He has more than 15 published papers. His current research interests are in control theory and its application, pattern recognition.

Zhang Honghui
Zhang Honghui graduated from the North China Institute of Water Conservancy and Hydroelectric power, Zhengzhou, Henan, PR China, with a Bachelor degree in engineering science in 2004. He then, obtained PGD and MSc in Control Engineering from Zhengzhou University, Zhengzhou, Henan, PR China, in 2012. He joined the services of the Department of Physics and Electronic Engineering, Zhoukou Normal University, Zhoukou, Henan, PR China, from 2004. He has more than 10 published papers. His current research interests are in control theory and its application.

Zhang Honghui
Zhang Honghui graduated from the North China Institute of Water Conservancy and Hydroelectric power, Zhengzhou, Henan, PR China, with a Bachelor degree in engineering science in 2004. He then, obtained PGD and MSc in Control Engineering from Zhengzhou University, Zhengzhou, Henan, PR China, in 2012. He joined the services of the Department of Physics and Electronic Engineering, Zhoukou Normal University, Zhoukou, Henan, PR China, from 2004. He has more than 10 published papers. His current research interests are in control theory and its application.

Shao Yonggang
Shao Yonggang graduated from the School of Electric Engineering, Zhengzhou Unisersity, Zhengzhou, Henan, PR China, with a Bachelor degree in engineering science in 2007. He then, obtained PGD and MSc in Systems Engineering from Zhengzhou University, Zhengzhou, Henan, PR China, in 2010. He joined the services of Henan Electric Power Industry School, Zhengzhou, Henan, PR China, from 2010. He has more than 10 published papers. His current research interests are in systems engineering.

Shao Yonggang
Shao Yonggang graduated from the School of Electric Engineering, Zhengzhou Unisersity, Zhengzhou, Henan, PR China, with a Bachelor degree in engineering science in 2007. He then, obtained PGD and MSc in Systems Engineering from Zhengzhou University, Zhengzhou, Henan, PR China, in 2010. He joined the services of Henan Electric Power Industry School, Zhengzhou, Henan, PR China, from 2010. He has more than 10 published papers. His current research interests are in systems engineering.

Liu Kuili
Deparement of Laboratory and Equipment Management, Zhoukou Normal University, Zhoukou, Henan, PR China

Liu Kuili
Deparement of Laboratory and Equipment Management, Zhoukou Normal University, Zhoukou, Henan, PR China

Wang Jie
School of Electric Engineering, Zhengzhou Unisersity, Zhengzhou, Henan, PR China

Wang Jie
School of Electric Engineering, Zhengzhou Unisersity, Zhengzhou, Henan, PR China

Chen Zhanwei
Department of Computer Science, Zhoukou Normal University, Zhoukou 466001, China

Chen Zhanwei
Department of Computer Science, Zhoukou Normal University, Zhoukou 466001, China

Huang Zhenzhen
Department of politics and law, Zhoukou Normal University, Zhoukou 466001, China

Huang Zhenzhen
Department of politics and law, Zhoukou Normal University, Zhoukou 466001, China


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