面向短距离低功耗物联网应用的无线ZigBee系统的设计与实现
发布时间：2018-09-12 18:42
【摘要】：伴随着工业化的进程，自然环境受到了极大的破坏，人类对环境的伤害已经演变成自然对人类的报复，极端恶劣环境的频繁和长期出现已经向世人敲响了警钟，如何高效监测环境并为后续的治理提供科学的依据是当前亟待解决的问题，构建用于监测环境的系统则迫在眉睫,因此本文设计了面向短距离低功耗物联网应用的无线ZigBee系统。 本文分析和列举了几种短距离无线通信技术，并对各技术的属性进行对比，最终得出了ZigBee技术最适合用于组建无线传感网络（WSN）的结论。本系统微处理平台使用STM32L151芯片，并运用ZICM2410模块搭建传感网络，并以SIM900B实现远程通信。系统设计为终端节点采集数据，并以单跳方式发送至协调器节点，协调器再采用GSM（Global System for Mobile Communications）方式将数据发送至远程管理中心，同时编写动态的网络管理程序，使终端节点能自由加入和脱离网络。远程管理中心的PC端则使用RealTerm软件实现串口数据的接收和存储，利用开源项目ECharts实现数据的交互式显示。 本文所设计的无线ZigBee系统具有低成本、低功耗、体积小等优点，测试结果表明，系统能够构建无线网络拓扑结构，可快速组网并实时采集监测区域的数据。本系统的扩展性较好，能根据不同的需求在传感器节点上扩充各种感知器以实现更多的功能。
[Abstract]:With the process of industrialization, the natural environment has been greatly damaged, human harm to the environment has evolved into natural revenge on human beings, the frequent and long-term emergence of extreme harsh environment has sounded the alarm to the world. How to efficiently monitor the environment and provide a scientific basis for the subsequent governance is an urgent problem to be solved, and it is urgent to build a system for monitoring environment. Therefore, a wireless ZigBee system for short-range low-power Internet of things applications is designed in this paper. This paper analyzes and enumerates several short-range wireless communication technologies, and compares the attributes of each technology, finally comes to the conclusion that ZigBee technology is the most suitable for the establishment of wireless sensor network (WSN). The microprocessing platform uses STM32L151 chip and ZICM2410 module to set up the sensor network. The remote communication is realized by SIM900B. The system is designed for the terminal node to collect data and send it to the coordinator node in a single hop mode. The coordinator then transmits the data to the remote management center by GSM (Global System for Mobile Communications) mode. At the same time, the dynamic network management program is written. Enables terminal nodes to freely join and disconnect from the network. The PC terminal of the remote management center uses RealTerm software to realize the receiving and storing of serial port data, and the open source project ECharts is used to realize the interactive display of the data. The wireless ZigBee system designed in this paper has the advantages of low cost, low power consumption, small volume and so on. The test results show that the system can construct the wireless network topology, quickly set up the network and collect the data of the monitoring area in real time. The system has good expansibility and can expand various sensors on sensor nodes according to different requirements to achieve more functions.
【学位授予单位】：华中科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP391.44;TN92
本文编号：2239902
[Abstract]:With the process of industrialization, the natural environment has been greatly damaged, human harm to the environment has evolved into natural revenge on human beings, the frequent and long-term emergence of extreme harsh environment has sounded the alarm to the world. How to efficiently monitor the environment and provide a scientific basis for the subsequent governance is an urgent problem to be solved, and it is urgent to build a system for monitoring environment. Therefore, a wireless ZigBee system for short-range low-power Internet of things applications is designed in this paper. This paper analyzes and enumerates several short-range wireless communication technologies, and compares the attributes of each technology, finally comes to the conclusion that ZigBee technology is the most suitable for the establishment of wireless sensor network (WSN). The microprocessing platform uses STM32L151 chip and ZICM2410 module to set up the sensor network. The remote communication is realized by SIM900B. The system is designed for the terminal node to collect data and send it to the coordinator node in a single hop mode. The coordinator then transmits the data to the remote management center by GSM (Global System for Mobile Communications) mode. At the same time, the dynamic network management program is written. Enables terminal nodes to freely join and disconnect from the network. The PC terminal of the remote management center uses RealTerm software to realize the receiving and storing of serial port data, and the open source project ECharts is used to realize the interactive display of the data. The wireless ZigBee system designed in this paper has the advantages of low cost, low power consumption, small volume and so on. The test results show that the system can construct the wireless network topology, quickly set up the network and collect the data of the monitoring area in real time. The system has good expansibility and can expand various sensors on sensor nodes according to different requirements to achieve more functions.
【学位授予单位】：华中科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP391.44;TN92
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