无线传感器网络的数字家园数据采集方法研究与设计
发布时间：2018-08-06 08:09
【摘要】：无线传感器网络是一个新兴的领域,渐渐在工业方面、军队及学术方面受到较大的重视。这项技术包括了传感器技术、无线通信、嵌入式及信号处理等多种技术,利用这些技术可以完成环境信号的采集及实时监测并对信号进行处理,再将处理的结果返回给用户,具有十分广阔的应用前景。由于人们在生活环境中对其方便、安全及舒适等方面的需求越来越高,数字家园系统应运而生。一般来说,这种系统由三层子系统构成:分别是社区智能化、小区智能化及家居智能化。而这套系统中最重要的功能是对运行信息的获取与处理,比如说:社区的安全报警问题;发生灾害时的自动报警及对温度、湿度、灯光等进行自动控制;家用电器的智能监控等。所以说,类似于这些情况的处理,需要对居住环境中的各项设备运行情况进行信息获取与处理是实现数字家园系统的重要环节。本文系统研究了无线传感器网络数据采集相关方法和理论,深入探讨了在数字家园系统建设过程中各种问题的解决方法,以IEEE 802.15.4 ZigBee协议为基础,对协议栈的各个层进行了细致的探讨,鉴于本文系统是多跳的Mesh网络,为此,主要研究了MAC层和网络层的相关理论和方法。主要包括了以下工作:1,设计了一个保障数据采集可靠性和实时性的MAC协议,该协议基于TDMA思想,并且融合了CSMA/CA的设计理念,形成了一个综合性的、适合数字家园系统的可配置的数据传输协议,同时分析了MAC层的安全机制。2,设计了一个基于查找树的路由协议,阐述了该协议的设计原理,确定了下一跳节点的选择策略,能够结合MAC协议来保障数据传输的可调度性、实时性和可靠性。3,基于上述算法,设计并实现了数据采集的客户端监测系统,该系统从数据采集、路由查询、数据传输和客户端数据处理整个过程描述了系统的数据采集流程,实现了社区相关数据的实时采集和监测。4,搭建了系统的测试平台,对数据采集的整体过程进行了测试与分析,最终的结果表明:本文设计的数据传输和路由查询算法符合数字家园系统数据采集、传输处理的需求,满足实际应用需要,达到了预期开发目标。
[Abstract]:Wireless sensor network (WSN) is a new field, which has attracted more and more attention in industry, military and academic field. This technology includes sensor technology, wireless communication, embedded technology and signal processing technology, which can be used to complete environmental signal acquisition, real-time monitoring and signal processing, and then return the results to the user. It has a very broad application prospect. Due to the increasing demand for convenience, security and comfort in the living environment, the digital home system emerges as the times require. Generally speaking, the system consists of three-layer subsystems: community intelligence, community intelligence and home intelligence. The most important function of this system is to obtain and deal with the operation information, such as the safety alarm of the community, the automatic alarm of disaster and the automatic control of temperature, humidity, lighting, etc. Intelligent monitoring of household appliances, etc. Therefore, similar to the processing of these situations, it is an important link to realize the digital home system to obtain and process the information about the operation of various equipments in the living environment. In this paper, the relevant methods and theories of wireless sensor network data acquisition are systematically studied, and the solutions of various problems in the process of building digital home system are discussed, based on the IEEE 802.15.4 ZigBee protocol. In this paper, each layer of protocol stack is discussed in detail. In view of the multi-hop Mesh network, this paper mainly studies the theory and method of MAC layer and network layer. Including the following work: 1, this paper designs a MAC protocol to ensure the reliability and real-time of data acquisition. The protocol is based on the idea of TDMA, and integrates the design idea of CSMA/CA, forming a comprehensive, A configurable data transmission protocol suitable for digital home system is proposed. At the same time, the security mechanism of MAC layer. 2 is analyzed. A routing protocol based on lookup tree is designed. The design principle of this protocol is described, and the selection strategy of next hop node is determined. It can combine MAC protocol to ensure the schedulability, real-time and reliability of data transmission. Based on the above algorithm, the client monitoring system of data acquisition is designed and implemented. The whole process of data transmission and client data processing describes the data acquisition flow of the system, realizes the real-time collection and monitoring of community related data .4. the system test platform is built, and the whole process of data acquisition is tested and analyzed. The final results show that the data transmission and routing query algorithms designed in this paper meet the requirements of data acquisition, transmission and processing in digital home system, meet the practical application needs, and achieve the expected development goal.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP212.9;TN929.5;TP274.2
本文编号：2167070
[Abstract]:Wireless sensor network (WSN) is a new field, which has attracted more and more attention in industry, military and academic field. This technology includes sensor technology, wireless communication, embedded technology and signal processing technology, which can be used to complete environmental signal acquisition, real-time monitoring and signal processing, and then return the results to the user. It has a very broad application prospect. Due to the increasing demand for convenience, security and comfort in the living environment, the digital home system emerges as the times require. Generally speaking, the system consists of three-layer subsystems: community intelligence, community intelligence and home intelligence. The most important function of this system is to obtain and deal with the operation information, such as the safety alarm of the community, the automatic alarm of disaster and the automatic control of temperature, humidity, lighting, etc. Intelligent monitoring of household appliances, etc. Therefore, similar to the processing of these situations, it is an important link to realize the digital home system to obtain and process the information about the operation of various equipments in the living environment. In this paper, the relevant methods and theories of wireless sensor network data acquisition are systematically studied, and the solutions of various problems in the process of building digital home system are discussed, based on the IEEE 802.15.4 ZigBee protocol. In this paper, each layer of protocol stack is discussed in detail. In view of the multi-hop Mesh network, this paper mainly studies the theory and method of MAC layer and network layer. Including the following work: 1, this paper designs a MAC protocol to ensure the reliability and real-time of data acquisition. The protocol is based on the idea of TDMA, and integrates the design idea of CSMA/CA, forming a comprehensive, A configurable data transmission protocol suitable for digital home system is proposed. At the same time, the security mechanism of MAC layer. 2 is analyzed. A routing protocol based on lookup tree is designed. The design principle of this protocol is described, and the selection strategy of next hop node is determined. It can combine MAC protocol to ensure the schedulability, real-time and reliability of data transmission. Based on the above algorithm, the client monitoring system of data acquisition is designed and implemented. The whole process of data transmission and client data processing describes the data acquisition flow of the system, realizes the real-time collection and monitoring of community related data .4. the system test platform is built, and the whole process of data acquisition is tested and analyzed. The final results show that the data transmission and routing query algorithms designed in this paper meet the requirements of data acquisition, transmission and processing in digital home system, meet the practical application needs, and achieve the expected development goal.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP212.9;TN929.5;TP274.2
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