模糊自整定控制算法在纸幅横向定量控制中的应用
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摘要
针对纸幅横向定量控制具有多变量、时变、非线性等特点,提出了一种在线自整定模糊PID控制算法,采用模糊推理对PI参数实现自整定。仿真结果表明,该控制算法控制效果优于传统PID控制。结合河北某造纸厂纸幅横向定量控制系统实际应用,控制效果得到很大改善。
Aiming at the characteristics of multi-variable,time-varying and non-linearity of cross direction basis weight control of paper web,an on-line self-tuning fuzzy PI control algorithm was proposed. The PI parameters were self-adjusted by fuzzy reasoning. According to the simulation results,the control result of the control algorithm was very much better than traditional PID control. The control effect of a basis weight control system in a paper mill in Hebei province has been greatly improved after using the new method.
Aiming at the characteristics of multi-variable,time-varying and non-linearity of cross direction basis weight control of paper web,an on-line self-tuning fuzzy PI control algorithm was proposed. The PI parameters were self-adjusted by fuzzy reasoning. According to the simulation results,the control result of the control algorithm was very much better than traditional PID control. The control effect of a basis weight control system in a paper mill in Hebei province has been greatly improved after using the new method.
引文
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[2]Jerrmy G,Van Ant Wer P,Andrew P,et al.Cross-directional control of sheet and film processes[J].Automatica,2007,43:191.
[3]TANG Wei,LIAN Yu-yang,HU Lian-hua,et al.Denoising of Lateral Quantitative Measurement Data Based on Empirical Mode Decomposition[J].China Pulp&Paper,2015,34(3):44.汤伟,连钰洋,胡连华,等.基于经验模态分解的纸机横向定量测量数据去噪[J].中国造纸,2015,34(3):44.
[4]LIAN Yu-yang.Research on Horizontal Quantitative Control System of Paper Machine Based on Dilution Water Hydraulic Headbox[D].Xi'an:Shaanxi University of Science and Technology,2015.连钰洋.基于稀释水水力式流浆箱的纸机横向定量控制系统的研究[D].西安:陕西科技大学,2015.
[5]HU Wei-jun,TANG Wei,LIU Wen-bo,et al.Paper Banner Quantitative Fuzzy Controller[J].Chemical Automation&Instrumentation,2011,38(12):1441.胡卫军,汤伟,刘文波,等.纸张横幅定量模糊控制器[J].化工自动化及仪表,2011,38(12):1441.
[6]Hu Lian-hua,Li Xin-ping,Tang Wei,et al.The application of fuzzy control in pulp washing process[C].The 3rd International Conference on Measuring Technology and Mechatronics Automation.Washington:IEEE Computer Society,2011.
[7]LIU Wen-bo,WANG Xi,TANG Wei,et al.Study and application of cross direction basis weight control system based on dilution water adjustment[J].China Pulp&Paper,2014,33(8):1.刘文波,王樨,汤伟,等.稀释水横向定量控制系统的研究与应用[J].中国造纸,2014,33(8):1.
[8]SHI Xian-cheng,FENG Yu-cheng,CHEN Ke-fu,et al.The application of OPC technology in data com-munication for cross direction basis weight control system with dilutionwater[J].China Pulp&Paper Industry,2011,32(14):25.石先城,冯郁成,陈克复,等.OPC技术在稀释水横幅定量控制系统数据通信中的应用[J].中华纸业,2011,32(14):25.