Some Speaking Plant Approach to the Synthesis of Control System in the Greenhouse

Hashimoto, Yasushi; Morimoto, T.; Fukuyama, Tokihiko

doi:10.17660/actahortic.1985.174.26

Cited by 25 publications

(5 citation statements)

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“…In order to know about energy consumption condition under the control of different optimal strategies and energy saving situation of different control strategies definitely, we will conduct quantitative analysis on energy consumption condition [5]. Table 3 is the contrastive analysis before after optimization based on TOPSIS.…”

Section: Electronics Mechatronics and Automation IIImentioning

confidence: 99%

Strategy of Intelligent Energy-Saving Optimization Control and Energy Consumption Analysis on Regulator Control System of Closed Greenhouse

Zhang

Liu

2014

AMM

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Adopting the integrated TOPSIS intelligent energy optimization control strategy, and compared to conventional single control strategy on energy consumption of greenhouse equipment under closed condition, this paper arrives at the best energy saving optimization control strategy with comprehensive benefits. The result shows that, integrated intelligent optimizing control was obviously more energy saving compared to those did not take optimization control. Specific results as follows: TOPSIS integration strategy with energy saving of 725.39kwh, energy-saving rate of 44.19%.This shows that the proposed integrated intelligent energy optimization control strategy and energy saving effect is remarkable.

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Section: Electronics Mechatronics and Automation IIImentioning

confidence: 99%

Strategy of Intelligent Energy-Saving Optimization Control and Energy Consumption Analysis on Regulator Control System of Closed Greenhouse

Zhang

Liu

2014

AMM

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“…在基于植物电信号的植物检测技术研究中, 发现植物对特殊的机械刺激如剪枝表现出迅速和准确的反应 [17~19] , 因此, 远程实时监测植物电信号可以为早期探测昆虫侵害、强风损伤或人为伤害提供一种有效的工具 [16] . 研究还发现, 植物对于土壤水分的波动十分敏感, 根叶之间电信号的快速传导可能涉及到气孔调节 [3] , 对玉米根部突然施加的渗透胁迫在叶片和根部之间产生的电势差伴随着气孔导度的减少 [8] , 从而影响到光合作用和呼吸作用 [7,20] , 因此 , 间的关联, 通过对电信号特征参数的解读实现人与植物的 " 对话 ", 或者使植物成为 " 说话的植物 (the speaking plant)" [21] .…”

Section: 目前对植物电信号的研究主要集中在两个方unclassified

渗透胁迫诱导的玉米叶片电信号功率谱的变化

习¹,

余²,

孟³

et al. 2011

Chin. Sci. Bull.

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“…The so called "speaking plant" concept enables the grower to use on-line information from the crop and to follow accurately some of the relevant production processes (Hashimoto et al, 1985). A second line of research focuses on the development of crop growth models.…”

Section: Models and Other Sources Of Informationmentioning

confidence: 99%

Crop Models for Greenhouse Production Systems

Challa¹

2002

Acta Hortic.

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Although the physiological principles involved in the growth of greenhouse and field crops are not basically different, the development of models for greenhouse crops to some extent has followed its own way. This is mainly due to the specific characteristics of the crops and of the greenhouse production systems involved. Many important greenhouse crops are multi-harvest crops, where the balance between vegetative and generative growth is an aspect of major concern to growers. Moreover, most products have a high water content and they are sold fresh. In food crops, taste is a valuable crop property. In ornamentals, shape and colour are important characteristics that put certain demands on the output of models. More generally, quality issues (e.g., shelf or vase life) often have to be approached in a different way than with field crops. Last but not least, the huge number of species is problematic for crop modellers in horticulture.Modern greenhouse production systems provide the grower with a highly advanced, but expensive system for controlling the aerial and root environments of the crop. Through this control system growers are able to control the production process in great detail. The high added value obtained in greenhouses and the high quality requirements go together with a great deal of human interference in the production process: either directly, by pruning and training, or indirectly, by using various organisms for pest control and pollination. Crop management and the interaction of pests and diseases with the crop are both aspects that make special demands on crop models.It is a major challenge for greenhouse growers to make the best possible use of the available options to achieve high productivity at the moment when products are required in the market. In addition, this must be accomplished while reducing the environmental impact by emissions of CO 2 , nutrients, and biocides and at minimum cost. To optimise greenhouse production systems, crop models are needed. But, they also have to be integrated into more complex models of the nursery as a whole to address planning, scheduling, and logistics. For policy makers, there is a need for models at regional or national scale that help them to decide on measures related to environmental issues or economic development.Models on product quality and integration of models from different disciplines to simulate nurseries and whole product chains are some of the important and challenging developments in greenhouse simulation over the last few years. Also, the implementation of models into practice is a hot issue generating many new and complex research questions.

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Some Speaking Plant Approach to the Synthesis of Control System in the Greenhouse

Cited by 25 publications

References 0 publications

Strategy of Intelligent Energy-Saving Optimization Control and Energy Consumption Analysis on Regulator Control System of Closed Greenhouse

Strategy of Intelligent Energy-Saving Optimization Control and Energy Consumption Analysis on Regulator Control System of Closed Greenhouse

渗透胁迫诱导的玉米叶片电信号功率谱的变化

Crop Models for Greenhouse Production Systems

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