| 基于C32摩擦焊机双闭环控制系统 |
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| 引用本文： | 房舟,黄崇莉.基于C32摩擦焊机双闭环控制系统[J].科学技术与工程,2019,19(27):230-237. |
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| 作者姓名： | 房舟 黄崇莉 |
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| 作者单位： | 陕西理工大学机械工程学院,汉中,723000;陕西理工大学机械工程学院,汉中,723000 |
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| 摘 要： | 针对目前摩擦焊机用户对焊接产品提出更高质量、高精度的生产要求,设计了一液压双闭环控制系统。该控制系统通过监控液压系统压力和比例溢流阀阀芯位移,对压力使用模糊PID控制器控制调节,位移采用PID控制器调节来控制摩擦焊机的轴向压力控制精度,并运用AMESim/Simulink对该系统进行联合建模仿真。仿真结果表明双闭环控制系统比PID控制下的单闭环控制系统能更好地改善摩擦焊机的轴向焊接压力精度,提高焊接产品的质量和稳定性。
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| 关 键 词： | 双闭环 PID 模糊PID AMESim/Simulink 联合仿真 |
| 收稿时间： | 2019/1/14 0:00:00 |
| 修稿时间： | 2019/6/17 0:00:00 |
Research on Double Closed Loop Control System Based on Friction Welding Machine |
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| Institution: | Shaanxi University of Technology, |
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| Abstract: | A hydraulic double closed loop control system is designed to meet the requirement of higher quality and higher precision for friction welder.By monitoring the pressure of the hydraulic system and the displacement of the proportional overflow valve spool, the pressure is controlled and adjusted by the fuzzy PID controller, and the displacement is adjusted by the PID controller to control the axial pressure control accuracy of the friction welder. Amesim/Simulink is used for the joint modeling and simulation of the system.Simulation results show that the double closed-loop control system can better improve the axial welding pressure precision of friction welder and improve the quality and stability of welding products than the single closed-loop control system under PID control. |
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| Keywords: | double closed loop PID fuzzy PID Amesim/Simulink joint simulation |
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