摘要
针对燃煤电厂湿法脱硫系统的浆液pH值控制过程中存在的高度非线性、时滞性及各种不确定性,提出了自优化模糊串级控制策略。经仿真验证及某电厂工程应用,自优化模糊串级控制提高了吸收塔浆液pH值控制系统的稳定性,增强了系统的鲁棒性和适应性。
Based on the altitude non-linearity, time-delay and a large number of uncertainties existed in the slurry PH value control of the wet desulphurization system in the coal-fired power plants, the paper puts forward the self-optimizing fuzzy cascade control strategy. The self-optimizing fuzzy cascade control can improve the stability of the slurry PH value control system and enhances robustness and adaptability through simulation validation and engineering application in a certain power plant.
引文
[1]苏大雄,钱枫.石灰湿法脱硫过程中pH条件对结构的影响[J].环境污染与防治,2005(6):199-200.
[2]周至祥,段建中,等.火电厂湿法烟气脱硫技术手册[M].北京:中国电力出版社,2006:13-40,74-100,196-231.
[3]韩峻峰,李玉惠.模糊控制技术[M].重庆:重庆大学出版社,2003:33-48.
[4]李栋,郝桂明,等.基于模糊控制的火电厂湿法烟气脱硫系统[J].测控技术,2013(32):72-75.