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Sensors 2011, 11(4), 3640-3651; doi:10.3390/s110403640
Article

Wireless Sensor Network-Based Greenhouse Environment Monitoring and Automatic Control System for Dew Condensation Prevention

 and
*
Department of Information and Communication Engineering, National University of Sunchon, Maegok 315, Suncheon, Jeonnam, Korea
* Author to whom correspondence should be addressed.
Received: 5 January 2011 / Revised: 28 February 2011 / Accepted: 21 March 2011 / Published: 25 March 2011
(This article belongs to the Section Physical Sensors)
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Abstract

Dew condensation on the leaf surface of greenhouse crops can promote diseases caused by fungus and bacteria, affecting the growth of the crops. In this paper, we present a WSN (Wireless Sensor Network)-based automatic monitoring system to prevent dew condensation in a greenhouse environment. The system is composed of sensor nodes for collecting data, base nodes for processing collected data, relay nodes for driving devices for adjusting the environment inside greenhouse and an environment server for data storage and processing. Using the Barenbrug formula for calculating the dew point on the leaves, this system is realized to prevent dew condensation phenomena on the crop’s surface acting as an important element for prevention of diseases infections. We also constructed a physical model resembling the typical greenhouse in order to verify the performance of our system with regard to dew condensation control.
Keywords: greenhouse; leaf sensor; dew point; dew-condensation prevention; sensor network greenhouse; leaf sensor; dew point; dew-condensation prevention; sensor network
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Park, D.-H.; Park, J.-W. Wireless Sensor Network-Based Greenhouse Environment Monitoring and Automatic Control System for Dew Condensation Prevention. Sensors 2011, 11, 3640-3651.

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