Multi-zones environment factor monitoring and regulation system based on Zigbee networks

in International Symposium (oral presentation paper), 國際研討會(全文口頭發表)
標題Multi-zones environment factor monitoring and regulation system based on Zigbee networks
AuthorsChung-Liang Chang, 張仲良, & Yi-Ming Huang(advisee) 黃逸鳴(研究生)
出版日期May 22 2014 12:0

This study establishes a wireless multi-sensors network system to apply to
environment sensing and control applications in greenhouse. The use of wireless
network can reduce the wiring and cabling cost of wired network in greenhouse and
easy to configure and adjust. The network system consists of main control modules,
multiple sub-control modules and sensing modules, which collect the environment
factor information of each node in greenhouse and perform environment control
decision based on expert knowledge database. The user can utilize the
human-machine interface (HMI) to setup the desired environment factors (such as
temperature, humidity, carbon dioxide, and photo flux) of each zone and then send it to
the sub-system via Zigbee module. The environment factor control module of each
sub-system will be performed to maintain the desired environment factor setup by the
user. The experiment is tested in semi-closed greenhouse which includes four
cultivation zones. One sub-system and sensors are installed in each zone and the
major system is placed outside the greenhouse. The proposed system is helpful for
user to observe the variation of environment factor of each cultivation zone remotely
through HMI. Meanwhile, the regulation of environment factors is executed
automatically. The proposed method can achieve a different manipulation of each
cultivation zone for heterogeneous environments.

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