CHEN Wenke*,LIU Qiang,OUYANG Shi.Bath Temperature Intelligent Control System Based on Fuzzy PID[J].Plating & Finishing,2019,(10):28-32.[doi:10.3969/j.issn.1001-3849.2019.10.007]
基于模糊PID的镀液温度智能控制系统
- Title:
- Bath Temperature Intelligent Control System Based on Fuzzy PID
- Keywords:
- bath temperature; nonlinear; fuzzy PID; intelligent control
- 文献标志码:
- A
- 摘要:
- 电镀自动化生产线中，多采用传统PID控制算法对镀液温度进行自动控制。镀液温度的时变性、非线性、滞后性使得控制效果不理想。本文结合模糊控制，设计了一种镀液温度智能控制系统。该系统以PLC、远程模块及WinCC为控制核心，通过模糊控制算法实现PID参数在线自修正，以确保镀液温度满足控制要求。仿真及应用结果表明，与传统PID相比，模糊PID控制具有响应快、超调量小及稳定性好的优点。
- Abstract:
- In the electroplating automated production line, the conventional PID control algorithm is used to automatically control the bath temperature. The time-varying, non-linear and hysteresis of the bath temperature makes the control effect unsatisfactory. In this paper, an intelligent temperature control system for the bath temperature is designed combining with the fuzzy control. The system uses PLC, remote module and WinCC as the control core, and realizes the online self-correction of PID parameters through fuzzy control algorithm to ensure the bath temperature meets the control requirements. The simulation and application results show that compared with the conventional PID, the fuzzy PID control has the advantages of fast response, small overshoot and good stability.
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备注/Memo
收稿日期： 2019-05-16；修回日期： 2019-06-18
通讯作者： 陈文科，Email：cwk861211@163.com
基金项目： 湖南省教育厅科学研究项目（18C1804）