文献类型： 外文期刊
第一作者： Xu, Dan
作者： Xu, Dan;Xu, Dan;van Willigenburg, Gerard;Du, Shangfeng
作者机构：
关键词： Optimal control; Greenhouse cultivation; Time-scale decomposition; LED lighting; Double closed-loop
期刊名称：CONTROL ENGINEERING PRACTICE （ 影响因子：3.475； 五年影响因子：3.415 ）
ISSN： 0967-0661
年卷期： 2019 年 85 卷
页码：
收录情况： SCI
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.
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