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基于DCS的PID自整定方法在超超临界机组冷却系统中的应用
Application of auto-tuning PID method based on DCS in cooling system of ultra-supercritical units
【Author】 Tang Mingwei~1 Qian Lin~2 Ma Chengxi~(1,3) Wang Ling~1 Fei Minrui~1 (1 School of Mechatronics Engineering and Automation in Shanghai University,Shanghai,200072,China; 2 SPCTI,Shanghai 200072,China;3 East China Electrical Power Design Institute,Shanghai 200072,China)
【机构】 上海大学机电工程与自动化学院; 上海电力建设启动调整试验所; 华东电力设计院;
【摘要】 围绕现有各种PID控制器参数自整定方法及其发展趋势,针对超超临界机组冷却系统中PID控制器人工整定的问题,本文改进了传统的传递函数的参数辨识方法,实现了基于DCS的在线PID自整定算法.在1000MW超超临界机组上的运行实验,表明了本文方法的有效性.
【Abstract】 Centering on all kinds of auto-tuning methods of PID controller at present and their development tendency,this paper improved the traditional identity method of the transfer function to handle the problem of PID parameter tuning by manual method of Ultra-supercritical units.The on-line PID auto-tuning method is realized based on the DCS system.The test eventually ran on 1000MW ultra-supercritical unit verified the effectiveness of the proposed method.
【Key words】 PID; Parameter tuning; Ultra-supercritical units; Cooling system;
- 【会议录名称】 2010中国仪器仪表学术、产业大会(论文集1)
- 【会议名称】2010中国仪器仪表学术、产业大会
- 【会议时间】2010-11-10
- 【会议地点】中国北京
- 【分类号】TK223.7
- 【主办单位】中国仪器仪表学会