Temperature and Humidity Measure-Control System Based on CAN and Digital Sensors

Zhuang, Wei; Zhi, Jiao; Hong, Li Guo

doi:10.1109/ifita.2009.126

Cited by 3 publications

(1 citation statement)

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“…Both technologies have strengths and weaknesses, and their use depends on the type of application. From the scientific literature review, not many studies can be found about the implementation of monitoring networks for greenhouses, and sometimes they use wired communication technologies such as CAN bus [ 35 , 36 ], MODBUS [ 37 ], and RS-485 bus [ 38 ]. The positive aspects of wired networks are larger bandwidth, maximum possible performance, and higher transmission speed, whereas the negative aspects are complex wiring structure, fixed network topology, high cost of installation and maintaining, high power consumption, and limitations to increase nodes.…”

Section: Related Workmentioning

confidence: 99%

Multiparametric Monitoring in Equatorian Tomato Greenhouses (I): Wireless Sensor Network Benchmarking

Erazo-Rodas

Sandoval-Moreno

Muñoz-Romero

et al. 2018

Sensors

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In recent years, attention has been paid to wireless sensor networks (WSNs) applied to precision agriculture. However, few studies have compared the technologies of different communication standards in terms of topology and energy efficiency. This paper presents the design and implementation of the hardware and software of three WSNs with different technologies and topologies of wireless communication for tomato greenhouses in the Andean region of Ecuador, as well as the comparative study of the performance of each of them. Two companion papers describe the study of the dynamics of the energy consumption and of the monitored variables. Three WSNs were deployed, two of them with the IEEE 802.15.4 standard with star and mesh topologies (ZigBee and DigiMesh, respectively), and a third with the IEEE 802.11 standard with access point topology (WiFi). The measured variables were selected after investigation of the climatic conditions required for efficient tomato growth. The measurements for each variable could be displayed in real time using either a laboratory virtual instrument engineering workbench (LabVIEWTM) interface or an Android mobile application. The comparative study of the three networks made evident that the configuration of the DigiMesh network is the most complex for adding new nodes, due to its mesh topology. However, DigiMesh maintains the bit rate and prevents data loss by the location of the nodes as a function of crop height. It has been also shown that the WiFi network has better stability with larger precision in its measurements.

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Section: Related Workmentioning

confidence: 99%

Multiparametric Monitoring in Equatorian Tomato Greenhouses (I): Wireless Sensor Network Benchmarking

Erazo-Rodas

Sandoval-Moreno

Muñoz-Romero

et al. 2018

Sensors

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Automatic Temperature and Humidity Control System Using Air-Conditioning in Transformer Substation

Zhou

Yan

2012

2012 Asia-Pacific Power and Energy Engineering Conference

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NGI-Oriented Measure and Control System of Agriculture IOT

Zhuang

Zhao

2014

AMM

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Agricultural IOT (Internet of things) is the integration of modern information and communication technology in agriculture. Based on 6LoWPAN wireless sensor networks, this paper puts forward a real-time monitoring system to agricultural environment, in order to improve the function of modern agricultural greenhouse control system. This system uses the 6LoWPAN as backbone to reach the goal of point-to-point communication between NGI (next generation Internet) and wireless sensor networks signed with IPv6. It is no specific gateway to protocol transition and carrying which makes it possible to realize real-time monitoring and controlling of agricultural environment, reduce energy consumption, shorten the delay time.

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Temperature and Humidity Measure-Control System Based on CAN and Digital Sensors

Cited by 3 publications

References 0 publications

Multiparametric Monitoring in Equatorian Tomato Greenhouses (I): Wireless Sensor Network Benchmarking

Multiparametric Monitoring in Equatorian Tomato Greenhouses (I): Wireless Sensor Network Benchmarking

Automatic Temperature and Humidity Control System Using Air-Conditioning in Transformer Substation

NGI-Oriented Measure and Control System of Agriculture IOT

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