基于奇异摄动理论的综合温室控制系统设计

被引:8
作者
李永博 [1 ,2 ]
周伟 [1 ]
汪小旵 [1 ,2 ]
丁为民 [1 ,2 ]
机构
[1] 南京农业大学工学院
[2] 不详
关键词
温室; 控制系统; 多时标; 奇异摄动理论;
D O I
暂无
中图分类号
S625.51 [];
学科分类号
摘要
为了建立集环境因子、作物生长过程和上层指标的综合温室控制系统,分析了现有温室控制研究成果,基于控制周期原则将温室控制系统分为分钟级温室环境因子控制系统(快速时变系统)、天或旬级的作物生长周期控制系统(中速时变系统)、年级的温室上层指标控制系统(慢速时变系统)。通过多时间尺度分析发现3类控制系统具有多时标特性,借助奇异摄动理论,对温室控制系统进行了分层递阶设计,进而得出该理论下的总体温室控制系统模型与控制器求解过程。通过算例演绎该设计方法的步骤,进行了仿真研究,结果表明,基于奇异摄动理论的温室控制系统设计思路清晰、计算量小、易于工程实现。
引用
收藏
页码:184 / 189
页数:6
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