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Related Concept Videos

Open and closed-loop control systems01:17

Open and closed-loop control systems

Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
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Control Systems01:10

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Bioreactor Controls-I01:28

Bioreactor Controls-I

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Feedback control systems01:26

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Bioreactor Controls-II

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Robotic Sensing and Stimuli Provision for Guided Plant Growth
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Published on: July 1, 2019

A compatible control algorithm for greenhouse environment control based on MOCC strategy.

Haigen Hu1, Lihong Xu, Bingkun Zhu

  • 1Department of Control Science and Engineering, Tongji University, Shanghai 200092, China. hnhhg@163.com

Sensors (Basel, Switzerland)
|December 14, 2011
PubMed
Summary
This summary is machine-generated.

This study introduces a new compatible control algorithm for greenhouses, improving energy efficiency and plant growth. The Multi-Objective Compatible Control (MOCC) strategy offers a practical solution for sustainable greenhouse production.

Keywords:
feedback controlgreenhouse climate modelgreenhouse environment controlmulti-objective compatible control (MOCC)multi-objective evolutionary algorithms (MOEAs)

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Area of Science:

  • Agricultural Engineering
  • Control Systems Science
  • Environmental Science

Background:

  • Conventional greenhouse control methods prioritize performance over energy efficiency and plant-specific needs, leading to high operational costs.
  • Existing control strategies often use point objectives, which are less adaptable to the dynamic nature of greenhouse environments.
  • There is a need for control methods that balance precise environmental regulation with energy conservation and optimal plant development.

Purpose of the Study:

  • To propose a modified compatible control algorithm for greenhouse climate control.
  • To implement a Multi-Objective Compatible Control (MOCC) strategy using an existing greenhouse model.
  • To validate the algorithm's effectiveness in achieving energy savings and high control precision.

Main Methods:

  • Development of a modified compatible control algorithm.
  • Application of the Multi-Objective Compatible Control (MOCC) strategy within a feedback control architecture.
  • Simulation experiments and comparative studies to evaluate algorithm performance.

Main Results:

  • The proposed MOCC algorithm demonstrates feasibility for greenhouse climate control.
  • Simulation results indicate significant potential for energy savings in greenhouse production.
  • The approach achieves a balance between control precision and reduced energy consumption.

Conclusions:

  • The developed MOCC strategy offers a more reasonable approach to greenhouse control by utilizing interval or region objectives.
  • The algorithm presents a valuable tool for formulating environmental control strategies in commercial greenhouse production.
  • The proposed method shows promise for energy-saving applications and could be adapted for other complex control optimization problems.