Closed-loop drip irrigation control using a hybrid wireless sensor and actuator network

被引：22

作者：

Li Zhen ^{[1
,2
]}

Wang Ning ^{[2
]}

Hong TianSheng ^{[1
]}

Franzen, Aaron ^{[2
]}

Li JiaNian ^{[1
]}

机构：

[1] S China Agr Univ, Key Lab Key Technol Agr Machinery & Equipment, Minist Educ, Guangzhou 510642, Guangdong, Peoples R China

[2] Oklahoma State Univ, Dept Biosyst & Agr Engn, Stillwater, OK 74078 USA

来源：

SCIENCE CHINA-INFORMATION SCIENCES | 2011年 / 54卷 / 03期

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

wireless sensor network; drip irrigation; soil property monitoring; precision agriculture;

D O I：

10.1007/s11432-010-4086-6

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this research, a closed-loop drip irrigation control hybrid wireless sensor and actuator network (HWSAN) prototype were developed and deployed in a crop field for soil property precise measurement and precision irrigation in accordance with the measured soil property. The HWSAN was composed of a wireless sensor and actuator network (WSAN) used for in-field soil property monitoring and irrigation control and a laboratory supervising system. The WSAN included ten sensor nodes, five irrigation control nodes, a central node, a gateway and a cellular modem. The laboratory supervising system was formed by a web-server. The system could automatically sample soil properties including soil moisture, electrical conductivity, and nearsurface temperature at four different depths underground and transmit field data through cellular network to the web-server. Closed-loop control was achieved through the control nodes listening uploading packets from its paired sensor nodes to control drip irrigation. Results from the quality of service (QoS) evaluation included: the data packet transmission rate was 84.76%, data accuracy rate was greater than 97% and no in-field data transmission errors.

引用

页码：577 / 588

页数：12

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