Double closed-loop optimal control of greenhouse cultivation

被引：22

作者：

Xu, Dan ^{[1
,2
]}

Du, Shangfeng ^{[3
]}

van Willigenburg, Gerard ^{[2
]}

机构：

[1] Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China

[2] Wageningen Univ, Math & Stat Methods Grp Biometris, Droevendaalsesteeg 1, NL-6708 PB Wageningen, Netherlands

[3] China Agr Univ, Coll Informat & Elect Engn, Beijing 100083, Peoples R China

来源：

CONTROL ENGINEERING PRACTICE | 2019年 / 85卷

关键词：

Optimal control; Greenhouse cultivation; Time-scale decomposition; LED lighting; Double closed-loop; HORIZON OPTIMAL-CONTROL; GROWTH; ENERGY;

D O I：

10.1016/j.conengprac.2019.01.010

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Two time-scale receding horizon optimal control (TTRHOC) of greenhouse cultivation is investigated. Recent developments enable closure of the outer-loop of this control system because they facilitate on-line recomputation of the optimal control of the slow dynamics on a daily basis. This paper quantifies the benefits obtained from having an outer closed-loop that counteracts errors and changes concerning predictions of crop growth, long-term weather, revenues obtained from selling crops and costs to control greenhouse climate. As a special, important case LED lighting is considered which increases both crop growth and profit. Having an outer closed-loop is especially beneficial in this case.

引用

页码：90 / 99

页数：10

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