基于ZigBee的三维目标定位技术研究
发布时间：2019-03-05 10:33
【摘要】：随着无线传感器网络和物联网技术的快速发展,已经有越来越多的场合需要基于位置的服务。而ZigBee技术以其低成本、低功耗和高可靠性等特点在无线传感器网络中得到广泛应用。因此,在ZigBee网络中实现对目标的定位具有较强的现实意义。本文对ZigBee网络中目标的三维定位技术进行了研究。通过对ZigBee技术和无线传感器网络定位技术的研究,选择了基于接收信号强度指示(RSSI)的定位方式对定位系统进行设计,并采用均值滤波和线性拟合求取测距模型参数的方法对RSSI测距进行了优化。本文设计的定位系统包括ZigBee网络节点硬件平台、节点软件和定位管理计算机软件三大部分。其中ZigBee网络节点硬件平台以CC2530芯片为核心,包括射频模块以及辅助功能模块。节点软件在TI公司的Z-Stack协议栈基础上进行开发,论文详细的介绍了ZigBee组网流程及网络中各个类型节点的功能和程序流程。定位管理计算机软件在Visual C++6.0环境中进行开发,论文给出了定位管理计算机软件的详细设计方案及其实现的功能。论文最后,通过实验对本文设计的定位系统进行了测试,并对实验结果进行了分析,结果表明：本文所设计的系统达到了对目标进行三维定位的功能。同时,针对系统的不足之处指出了下一步研究方向。
[Abstract]:With the rapid development of the wireless sensor network and the Internet of Things technology, more and more occasions need to be based on location-based services. The ZigBee technology is widely used in the wireless sensor network with its low cost, low power consumption and high reliability. Therefore, it is of great practical significance to realize the positioning of the target in the ZigBee network. In this paper, the three-dimensional positioning technology of the target in the ZigBee network is studied. Based on the research of the ZigBee technology and the wireless sensor network location technology, the positioning system based on the received signal strength indication (RSSI) is selected to design the positioning system, and the method for obtaining the parameter of the ranging model is optimized by means of means of mean filtering and linear fitting. The positioning system designed in this paper includes three parts of the ZigBee network node hardware platform, the node software and the location management computer software. Wherein the ZigBee network node hardware platform is a core of a CC2530 chip, and comprises a radio frequency module and an auxiliary function module. The node software is developed on the basis of the Z-Stack protocol stack of TI company, and the function and program flow of each type of node in the network are introduced in detail. The computer software of location management is developed in the environment of Visual C ++ 6.0, and the detailed design scheme and function of the computer software for location management are given. Finally, the positioning system designed in this paper is tested by the experiment, and the experimental results are analyzed. The results show that the system designed in this paper has the function of three-dimensional positioning of the target. At the same time, the next research direction is pointed out for the deficiency of the system.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TN92
本文编号：2434815
[Abstract]:With the rapid development of the wireless sensor network and the Internet of Things technology, more and more occasions need to be based on location-based services. The ZigBee technology is widely used in the wireless sensor network with its low cost, low power consumption and high reliability. Therefore, it is of great practical significance to realize the positioning of the target in the ZigBee network. In this paper, the three-dimensional positioning technology of the target in the ZigBee network is studied. Based on the research of the ZigBee technology and the wireless sensor network location technology, the positioning system based on the received signal strength indication (RSSI) is selected to design the positioning system, and the method for obtaining the parameter of the ranging model is optimized by means of means of mean filtering and linear fitting. The positioning system designed in this paper includes three parts of the ZigBee network node hardware platform, the node software and the location management computer software. Wherein the ZigBee network node hardware platform is a core of a CC2530 chip, and comprises a radio frequency module and an auxiliary function module. The node software is developed on the basis of the Z-Stack protocol stack of TI company, and the function and program flow of each type of node in the network are introduced in detail. The computer software of location management is developed in the environment of Visual C ++ 6.0, and the detailed design scheme and function of the computer software for location management are given. Finally, the positioning system designed in this paper is tested by the experiment, and the experimental results are analyzed. The results show that the system designed in this paper has the function of three-dimensional positioning of the target. At the same time, the next research direction is pointed out for the deficiency of the system.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TN92
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