發(fā)布時間：2018-11-23 10:33

【摘要】：隨著嵌入式系統(tǒng)、網(wǎng)絡(luò)、無線通信等技術(shù)的快速發(fā)展,具有計算、感知和無線通信能力的傳感器以及由其構(gòu)成的無線傳感器網(wǎng)絡(luò)已經(jīng)逐步進入人們的生活。利用節(jié)點的移動性能,在稀疏區(qū)域內(nèi)部署較少的傳感節(jié)點,通過移動的匯聚節(jié)點與感知區(qū)域以一定的概率建立通信鏈路,可以提供可信度更高、規(guī)模更大的感知能力。然而,一般的無線傳感器網(wǎng)絡(luò)需要特制的匯聚節(jié)點以完成與通用網(wǎng)絡(luò)的交互,某些移動匯聚節(jié)點也需要配合專業(yè)設(shè)備或?qū)I(yè)人員才能使用。基于以上的現(xiàn)實情況,本課題考慮利用智能手機作為匯聚節(jié)點。安裝特定軟件的手機在經(jīng)過感知區(qū)域時,自動收集感知區(qū)域的數(shù)據(jù)。利用智能手機的傳感器以及網(wǎng)絡(luò)、藍牙等功能可以實現(xiàn)感知數(shù)據(jù)的收集、融合、匯報等工作。本論文以智能倉儲系統(tǒng)作為背景,研發(fā)出一套集環(huán)境數(shù)據(jù)感知、倉儲管理、門禁系統(tǒng)為一體的數(shù)據(jù)收集平臺,主要研究內(nèi)容如下:(1)設(shè)計了一套通用的無線傳感網(wǎng)絡(luò)節(jié)點。擴展出豐富的功能接口,可以方便的連接各種傳感器與通信設(shè)備。普通節(jié)點加上藍牙模塊即可與智能手機通信。利用智能手機可以方便的收集感知數(shù)據(jù)。(2)設(shè)計并實現(xiàn)了帶有控制和運算功能的通用藍牙模塊。模塊可以作為普通藍牙與其他設(shè)備進行通信,同時板載的ARM核的CPU具有強大的運算和處理能力。該模塊同時作為門禁系統(tǒng)的核心控制模塊和其他系統(tǒng)中的通信模塊使用。(3)設(shè)計并實現(xiàn)了超高頻RFID讀寫器,預留出多種擴展接口,可以通過USB接口與電腦連接,進行倉儲管理等功能。也可以外接藍牙模塊,實現(xiàn)手機端的倉儲管理與數(shù)據(jù)上報功能。(4)研究了一種安全性較高的門禁管理與倉儲環(huán)境數(shù)據(jù)收集算法。該算法基于MD5加密及動態(tài)密碼機制,有效的提高了門禁系統(tǒng)的安全性以及管理的便捷性。同時利用接觸感知技術(shù),可以自動的實現(xiàn)倉儲數(shù)據(jù)、環(huán)境數(shù)據(jù)的收集與上報功能。(5)實現(xiàn)了機會移動傳感器網(wǎng)絡(luò)中的數(shù)據(jù)收集平臺的設(shè)計與開發(fā)。論文對無線傳感器網(wǎng)絡(luò)節(jié)點、超高頻RFID讀寫器、門禁系統(tǒng)藍牙控制板,進行了硬件設(shè)計與底層控制算法的編寫。完成了手機端專用軟件的定制與開發(fā),并完成了服務(wù)器端的數(shù)據(jù)存儲、Web查詢管理等功能模塊的設(shè)計與實現(xiàn)。
[Abstract]:With the rapid development of embedded system, network, wireless communication and other technologies, sensors with the ability of computing, sensing and wireless communication, as well as the wireless sensor network composed of them, have gradually entered people's lives. Based on the mobility performance of nodes, fewer sensor nodes are deployed in the sparse region, and the communication link is established with a certain probability between the mobile convergence node and the perceptual region, which can provide higher credibility and larger scale sensing ability. However, general wireless sensor networks require special convergent nodes to complete interaction with general networks, and some mobile convergence nodes also need to be used in conjunction with professional equipment or professionals. Based on the above practical situation, this topic considers the use of smart phones as convergence node. A mobile phone that installs specific software automatically collects data from the perceptual area when it passes through the perceptual area. Using smart phone sensor, network, Bluetooth and other functions can realize the collection, fusion, reporting and other work of perceptual data. In this paper, the intelligent storage system as the background, developed a set of environmental data perception, storage management, access control system as one of the data collection platform, the main research contents are as follows: (1) designed a set of general wireless sensor network nodes. Extended a rich functional interface, can easily connect a variety of sensors and communication equipment. Ordinary nodes and Bluetooth modules can communicate with smartphones. It is easy to collect perceptual data by using smart phone. (2) A general Bluetooth module with control and operation functions is designed and implemented. The module can communicate with other devices as common Bluetooth, and the CPU of ARM core on board has powerful computing and processing ability. This module is also used as the core control module of the access control system and the communication module in other systems. (3) the UHF RFID reader is designed and implemented, and a variety of extended interfaces are reserved, which can be connected to the computer through the USB interface. Warehouse management and other functions. Bluetooth module can also be used to realize storage management and data reporting. (4) A high security access control and storage environment data collection algorithm is studied. The algorithm is based on MD5 encryption and dynamic cryptography, which improves the security and management convenience of the access control system. At the same time, using contact sensing technology, can automatically realize the storage data, environmental data collection and reporting function. (5) realize the design and development of the data collection platform in the opportunistic mobile sensor network. The hardware design and bottom control algorithm of wireless sensor network nodes, UHF RFID reader and access control system Bluetooth control board are designed in this paper. The customization and development of the special software for the mobile phone is completed, and the design and implementation of the function modules such as the data storage in the server side, the Web query management and so on are completed.
【學位授予單位】：杭州電子科技大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：TP212.9;TN929.5

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