基于模糊自适应Smith的SCR喷氨量串级控制系统Fuzzy self-adaptive Smith cascade control system for spraying ammonia in SCR reactors
李刚,胡森,武宝会
摘要(Abstract):
基于对选择性催化还原(SCR)反应器喷氨量控制过程大延时产生原因的分析,提出了模糊自适应Smith串级控制策略:采用Smith预估控制喷氨量;采用模糊规则在线修正PID参数。从而,使得控制器能够有效适应控制对象的变化。将模糊自适应Smith串级控制与常规PID串级控制进行仿真比较,结果表明该模糊自适应Smith串级控制效果优于常规PID串级控制,并且当控制对象的模型有较大变化时,仍能够保持较好的控制品质,具有较强的适应性。
关键词(KeyWords): 烟气脱硝;SCR;喷氨量;串级控制;模糊规则;Smith预估
基金项目(Foundation):
作者(Author): 李刚,胡森,武宝会
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