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The Design of Wireless Data Acquisition System Based on ZigBee at the Monitoring Equipment Room of Airport

Author: WangLiLi
Tutor: YuShiMing
School: Zhejiang University of Technology
Course: Electronics and Communication Engineering
Keywords: data acquisition zigbee wireless sensor networks cc2530 cc2591
CLC: TP274.2
Type: Master's thesis
Year: 2011
Downloads: 141
Quote: 1
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Abstract


With the development of intelligent monitoring systems, its increasing functions require more and more sensors for environmental monitoring. Monitoring system building with wired sensor network has a large quantity of wiring,a high cost, and a poor reliability, and even in some place wiring is infeasible and can not meet the practical needs. Compared to wired sensor networks, the wireless sensor monitoring network system has easy installation, high flexibility, and low costs.It has a better prospect in intelligent building envionmental monitoring.This paper is completed the design of wireless data acquisition system based on ZigBee, hardware and software design. The system has network coordinator, routers and sensor nodes, the uses of 2.4GHz RF chips for wireless communications. The hardware platform of wireless data acquisition system used TI company’s CC2530 chip and low power amplifier CC2591 chip for wireless communication as control module, the temperature sensor TC77 and light sensor as the main periphery connection device. Deep research the structure and function of ZigBee each layer.The simplify ZigBee protocol stack is modified and planted, and the appliacations and related drivers are grammed. Moreover, it designed and realizes a mini start network and cluster-tree network. According to the node’s different work modes, proposed a software design for low-powernode, did the actual low power test. The system’s coordinator can communicate with the monitoring center of PC through RS232 serial port. This paper designs and implements a database management system for the sensor data acquired at the service end. The database management system uses the VC++6.0 software platform, MSComm serial communication control for serial data transmission and reception, Access2003 database data management, realize the acquisition of the environmental parameters for real-time display, storage and monitoring network situation. Meanwhile, monitor screen inputing control instructions can control the sensor node to send and recevice datas.The experimental results show that the formation of the system with good stability is convenient. Compared with traditional data acquisition methods, the system of wirless data acquisition can not only have features intelligence, low cost, low power dissipation characteristics, at the same time for other extensions of ZigBee has reference value.

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system > Data collection and processing systems
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