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Model predictive control of servo motor driven constant pump hydraulic system in injection molding process based on neurodynamic optimization
引用本文:Yong-gang PENG,Jun WANG,Wei WEI. Model predictive control of servo motor driven constant pump hydraulic system in injection molding process based on neurodynamic optimization[J]. 浙江大学学报:C卷英文版, 2014, 15(2): 139-146. DOI: 10.1631/jzus.C1300182
作者姓名:Yong-gang PENG  Jun WANG  Wei WEI
基金项目:Project supported by the National Natural Science Foundation of China (No. 61203299), the Fundamental Research Funds for the Central Universities (No. 2013QNA4021), the Natural Science Foundation of Zhejiang Province (Nos. Y1110135 and LY12F03018), and the Qianjiang Talents Program of Zhejiang Province, China (No. 2013R10047)
摘    要:In view of the high energy consumption and low response speed of the traditional hydraulic system for an injection molding machine, a servo motor driven constant pump hydraulic system is designed for a precision injection molding process, which uses a servo motor, a constant pump, and a pressure sensor, instead of a common motor, a constant pump, a pressure pro-portion valve, and a flow proportion valve. A model predictive control strategy based on neurodynamic optimization is proposed to control this new hydraulic system in the injection molding process. Simulation results showed that this control method has good control precision and quick response.

关 键 词:Model predictive control   Recurrent neural network   Neurodynamic optimization   Injection molding machine

Model predictive control of servo motor driven constant pump hydraulic system in injection molding process based on neurodynamic optimization
Yong-gang Peng,Jun Wang,Wei Wei. Model predictive control of servo motor driven constant pump hydraulic system in injection molding process based on neurodynamic optimization[J]. Journal of Zhejiang University-Science C(Computers and Electronics), 2014, 15(2): 139-146. DOI: 10.1631/jzus.C1300182
Authors:Yong-gang Peng  Jun Wang  Wei Wei
Affiliation:1. College of Electrical Engineering, Zhejiang University, Hangzhou, 310027, China
2. Department of Mechanical and Automation Engineering, Chinese University of Hong Kong, Hong Kong, China
Abstract:In view of the high energy consumption and low response speed of the traditional hydraulic system for an injection molding machine, a servo motor driven constant pump hydraulic system is designed for a precision injection molding process, which uses a servo motor, a constant pump, and a pressure sensor, instead of a common motor, a constant pump, a pressure proportion valve, and a flow proportion valve. A model predictive control strategy based on neurodynamic optimization is proposed to control this new hydraulic system in the injection molding process. Simulation results showed that this control method has good control precision and quick response.
Keywords:Model predictive control  Recurrent neural network  Neurodynamic optimization  Injection molding machine
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