Cargando…

Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions

The direction of sunshine or the installation sites of environmental control facilities in the greenhouse result in different temperature and humidity levels in the various zones of the greenhouse, and thus, the production quality of crop is inconsistent. This study proposed a wireless-networked dec...

Descripción completa

Detalles Bibliográficos
Autores principales: Chang, Chung-Liang, Huang, Yi-Ming, Hong, Guo-Fong
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4695961/
https://www.ncbi.nlm.nih.gov/pubmed/26569264
http://dx.doi.org/10.3390/s151128690
_version_ 1782407721011642368
author Chang, Chung-Liang
Huang, Yi-Ming
Hong, Guo-Fong
author_facet Chang, Chung-Liang
Huang, Yi-Ming
Hong, Guo-Fong
author_sort Chang, Chung-Liang
collection PubMed
description The direction of sunshine or the installation sites of environmental control facilities in the greenhouse result in different temperature and humidity levels in the various zones of the greenhouse, and thus, the production quality of crop is inconsistent. This study proposed a wireless-networked decentralized fuzzy control scheme to regulate the environmental parameters of various culture zones within a greenhouse. The proposed scheme can create different environmental conditions for cultivating different crops in various zones and achieve diversification or standardization of crop production. A star-type wireless sensor network is utilized to communicate with each sensing node, actuator node, and control node in various zones within the greenhouse. The fuzzy rule-based inference system is used to regulate the environmental parameters for temperature and humidity based on real-time data of plant growth response provided by a growth stage selector. The growth stage selector defines the control ranges of temperature and humidity of the various culture zones according to the leaf area of the plant, the number of leaves, and the cumulative amount of light. The experimental results show that the proposed scheme is stable and robust and provides basis for future greenhouse applications.
format Online
Article
Text
id pubmed-4695961
institution National Center for Biotechnology Information
language English
publishDate 2015
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-46959612016-01-19 Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions Chang, Chung-Liang Huang, Yi-Ming Hong, Guo-Fong Sensors (Basel) Article The direction of sunshine or the installation sites of environmental control facilities in the greenhouse result in different temperature and humidity levels in the various zones of the greenhouse, and thus, the production quality of crop is inconsistent. This study proposed a wireless-networked decentralized fuzzy control scheme to regulate the environmental parameters of various culture zones within a greenhouse. The proposed scheme can create different environmental conditions for cultivating different crops in various zones and achieve diversification or standardization of crop production. A star-type wireless sensor network is utilized to communicate with each sensing node, actuator node, and control node in various zones within the greenhouse. The fuzzy rule-based inference system is used to regulate the environmental parameters for temperature and humidity based on real-time data of plant growth response provided by a growth stage selector. The growth stage selector defines the control ranges of temperature and humidity of the various culture zones according to the leaf area of the plant, the number of leaves, and the cumulative amount of light. The experimental results show that the proposed scheme is stable and robust and provides basis for future greenhouse applications. MDPI 2015-11-12 /pmc/articles/PMC4695961/ /pubmed/26569264 http://dx.doi.org/10.3390/s151128690 Text en © 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Chang, Chung-Liang
Huang, Yi-Ming
Hong, Guo-Fong
Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions
title Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions
title_full Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions
title_fullStr Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions
title_full_unstemmed Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions
title_short Using a Novel Wireless-Networked Decentralized Control Scheme under Unpredictable Environmental Conditions
title_sort using a novel wireless-networked decentralized control scheme under unpredictable environmental conditions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4695961/
https://www.ncbi.nlm.nih.gov/pubmed/26569264
http://dx.doi.org/10.3390/s151128690
work_keys_str_mv AT changchungliang usinganovelwirelessnetworkeddecentralizedcontrolschemeunderunpredictableenvironmentalconditions
AT huangyiming usinganovelwirelessnetworkeddecentralizedcontrolschemeunderunpredictableenvironmentalconditions
AT hongguofong usinganovelwirelessnetworkeddecentralizedcontrolschemeunderunpredictableenvironmentalconditions