Coordination control for crankshaft forging hydraulic press

被引：0
|
作者：
Yao J. [1 ,2 ,3 ]
Li Y. [1 ]
Cao X. [1 ]
Sha T. [1 ]
机构：
[1] College of Mechanical Engineering, Yanshan University, Qinhuangdao
[2] The Laboratory of Heavy Machinery Fluid Power Transmission and Control in Hebei, Yanshan University, Qinhuangdao
[3] The State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou
来源：
High Technology Letters | 2019年 / 25卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Coordination control; Crankshaft forging hydraulic press; Master-slave proportion integration differentiation (PID) control; Velocity feed-forward;
D O I：
10.3772/j.issn.1006-6748.2019.04.014
中图分类号：
学科分类号：
摘要：
Taking a new type of full-fiber crankshaft forging hydraulic press as the research object, an upsetting-bending stroke coordination control is studied to improve crankshaft forming accuracy. A master-slave proportion integration differentiation (PID) coordination control strategy based on velocity feed-forward is proposed to improve the coordination control accuracy. The structure and working process of the full-fiber crankshaft forging hydraulic press are introduced, and a mathematical model of the upsetting and bending control system are established. The coordination control strategy is verified experimentally. The experimental results show that the maximum tracking error of the coordination control strategy is reduced by 66% compared with the traditional PID controller, and the coordination motion accuracy is improved effectively. Copyright © by HIGH TECHNOLOGY LETTERS PRESS.
引用
收藏
页码：452 / 460
页数：8
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