Transactions of Materials and Heat Treatment

Title：Proportional servo control system of CNC bending machine based on fuzzy PID

Authors： Wang Yong Zheng Hao Ma Lei Ge Yuanyuan

Unit： Hefei University of Technology

KeyWords： CNC bending machine fuzzy PID control proportional servo control response speed

ClassificationCode：TP13

year,vol(issue):pagenumber：2016,41(11):98-103

Abstract：

To improve the quality of bending products, higher requirements on the accuracy of the loading system of the bending machine and the rapid response capability were put forward. Then, a nonlinear mathematical model of the electro-hydraulic proportional servo control system was established, and the stability of the system was verified. In order to eliminate the steady-state error of the system and increase the response speed, the fuzzy PID control strategy was put forwards, the PID control parameters were confirmed, and the simulation test was carried out. Furthermore, the steady-state error of the system is reduced, and the response speed is improved. Finally, the randomness of adjustment PID control parameters by hands is avoided, and the working efficiency of the control system is improved.

Funds：

安徽省重点实验室建设项目（JZ2015AKSY0543）；基于机器人并可远程故障诊断的柔性剪折机床研发（W2015JSKF0461）

王勇（1969-），男，博士，副教授郑昊（1990-），男，硕士研究生

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