Research on Hydraulic Control System of Straightening Machine with Nine Rolls for Plates Based on BP Neural Network PID Controller

Song Li; Jin Chun Song; Guan Gan Ren; Yan Cai

doi:10.4028/www.scientific.net/AMR.820.117

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 820Research on Hydraulic Control System of...

Research on Hydraulic Control System of Straightening Machine with Nine Rolls for Plates Based on BP Neural Network PID Controller

Abstract:

A mechanical transmission equipment of traditional straightening machine for plates are driven by worm gear and worm, which causes small straightening force, slow pressing speed and low control precision. However, screwdown control system of straightening machine can be driven by hydraulic system, which will lead to large straightening force, rapid pressing speed and high control precision. This system was designed for straightening machine with nine rolls for plates, its transfer function was deduced, and the analysis on its stability and time response was conducted. A BP neural network PID controller was utilized in the system for improving dynamic characteristics. It can be concluded that the system responds rapidly, and stability and control precision are high if BP neural network PID controller is used in the system.

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Periodical:

Advanced Materials Research (Volume 820)

Pages:

117-121

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.820.117

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Online since:

September 2013

Authors:

Song Li, Jin Chun Song, Guan Gan Ren, Yan Cai

Keywords:

BP Neural Network (BPNN), Electro-Hydraulic Control, PID, Straightening Machine for Plates

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