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Design and Implementation of Poultry House Environmental Monitoring System

Author: ZhaoJianHua
Tutor: HanYuJie
School: Northeast Forestry University
Course: Detection Technology and Automation
Keywords: Birdhouse monitoring Wireless transmission Sensor networks IA4432 Low power consumption
CLC: TP274
Type: Master's thesis
Year: 2011
Downloads: 37
Quote: 0
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Abstract


Poultry house environmental monitoring and monitoring equipment automation degree of intelligence With the development of electronic technology , although increasing , but these devices are large and are based on the wired form . Cable in the form of not only wiring trouble , and to some extent limit the mobility of the monitoring points in the poultry house . In view of this situation , the paper designs and implements a wireless monitoring system of the poultry house environment . RF circuits , advances in low-power circuit production process for the development of wireless systems, the rapid development of the premise , digital communications and digital modulation technology laid the foundation for the development of wireless systems . At the same time , advances in semiconductor technology , communication technology and computer technology , promoting generated with the rapid development of wireless sensor network technology . Build a small wireless sensor networks in poultry houses than traditional wired monitoring system has a good real-time , mobile , flexible , and low cost advantages . Comprehensive analysis a birdhouse affect livestock growth and production of environmental factors to determine the main object of monitoring temperature , humidity , NH3 and CO2 . IA4432 for wireless transceiver the birdhouse wireless monitoring system is designed in accordance with the amount of sending data and their characteristics . Build a small wireless transmission network for point-to-multipoint communication requirements . Designed according to the general birdhouse internal structure of the network topology , the selected suitable for the medium access control protocol , the hidden nodes strategy , error retransmission mechanism and the processing scheme of the low power , taking into account the poultry house internal and external presence of interference using the hop frequency communication mechanism . Strict specifications , from the design of hardware and software to reduce interference and increase the overall performance of the system , and the corresponding anti-jamming measures taken in the PCB production . The hardware and software of the system is modular in design , and design a PC monitor interface , real-time display of the monitoring data , save and curve tracing . Poultry house environment wireless monitoring system designed in this paper has a low-cost , low -power , versatility and anti-interference ability , can achieve a variety of precise monitoring of the signal , but also can be easily applied to other areas of monitoring .

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