本文選題：無線傳感網(wǎng)絡 + 車輛檢測　； 參考：《天津科技大學》2014年碩士論文

【摘要】：二十一世紀以來,我國機動車的年增長率逐年遞增,而交通基礎設施的增長速度卻遠遠落后與機動車輛的增長速度。同時交通運輸一方面促進經(jīng)濟的持續(xù)增長,另一方面帶來的交通擁擠、能源短缺和交通事故等負面問題也日益明顯。特別在大中型城市的停車問題已經(jīng)演變成為極其嚴重的交通問題。因此我國急需對公路的交通流量、車輛類型、車速等實時監(jiān)控,對城市停車位進行有效引導和管理。 本文研究了一種無線感知車輛檢測系統(tǒng)。系統(tǒng)主要分為兩個部分：車輛行駛中的無線感知和車輛停止狀態(tài)的無線感知(停車位感知)。在相關區(qū)域部署的無線壓電感知節(jié)點和無線弱磁感知節(jié)點構成無線傳感子網(wǎng),用來采集海量的車輛信息數(shù)據(jù)。無線Mesh網(wǎng)絡為區(qū)域高速骨干網(wǎng)絡,每一區(qū)域的無線傳感子網(wǎng)的交通信息數(shù)據(jù)的傳輸和匯聚都是由相應的無線Mesh節(jié)點來實現(xiàn),再經(jīng)過Mesh基站節(jié)點將交通信息數(shù)據(jù)上傳到服務器分析、處理后,再通過友好的界面展示,最終為相關人員的停車服務提供指引,從而為道路規(guī)劃、設計、維護和決策提供全面可靠的數(shù)據(jù)支持。 本文的主要研究工作包括以下四個方面： 第一部分介紹分析了無線感知在交通物聯(lián)網(wǎng)領域的現(xiàn)狀和發(fā)展趨勢,對行駛中的車輛感知傳感器和停車位車輛感知傳感器分別進行了比較分析,并確定壓電薄膜交通傳感器和地磁傳感器動靜結合的感知方案。 第二部分著重介紹整個系統(tǒng)的硬件架構,包括無線Mesh節(jié)點、抓拍設備等的硬件選擇,以及無線弱磁節(jié)點和壓電信號變送器的硬件設計。 第三部分介紹系統(tǒng)的軟件實現(xiàn),主要從無線感知節(jié)點對交通信息數(shù)據(jù)的獲取、傳輸,以及無線Mesh節(jié)點SerialForward的實現(xiàn)和交通信息數(shù)據(jù)的存儲、處理和展示。 最后一部分為無線感知車輛檢測系統(tǒng)的現(xiàn)場測試,并對系統(tǒng)的各個功能進行了驗證。
[Abstract]:Since the 21 century, the annual growth rate of motor vehicles in China has been increasing year by year, but the growth rate of transportation infrastructure has lagged far behind that of motor vehicles. Meanwhile, on the one hand, transportation promotes the sustained growth of economy, on the other hand, the negative problems, such as traffic congestion, energy shortage and traffic accidents, are becoming more and more obvious. Especially in large and medium-sized cities, the parking problem has evolved into a very serious traffic problem. Therefore, our country is in urgent need of real-time monitoring of highway traffic flow, vehicle type, speed and so on, and effective guidance and management of urban parking spaces. A wireless sensing vehicle detection system is studied in this paper. The system is mainly divided into two parts: the wireless perception of vehicle driving and the wireless perception of vehicle stop state (parking space perception). The wireless piezoelectric sensing nodes and the wireless weak magnetic sensing nodes deployed in the related areas constitute a wireless sensor subnet which is used to collect a large amount of vehicle information data. Wireless mesh network is a regional high-speed backbone network. The traffic information data transmission and convergence of wireless sensor subnet in each region are realized by the corresponding wireless mesh nodes. Then the traffic information data is uploaded to the server through the mesh base station node to analyze, after processing, then through the friendly interface display, finally provides the guidance for the related personnel parking service, thus for the road planning, the design, Provide comprehensive and reliable data support for maintenance and decision-making. The main research work of this paper includes the following four aspects: the first part introduces and analyzes the current situation and development trend of wireless perception in the field of transportation Internet of things. The vehicle sensor and parking sensor are compared and analyzed respectively, and the sensing scheme of piezoelectric film traffic sensor combined with geomagnetic sensor is determined. The second part mainly introduces the hardware architecture of the whole system, including the hardware selection of wireless mesh node, capture device, and the hardware design of wireless weak magnetic node and EV transmitter. The third part introduces the software implementation of the system, mainly from the wireless sensing node to the traffic information data acquisition, transmission, wireless mesh node Serial forward implementation and traffic information data storage, processing and display. The last part is the field test of the wireless sensing vehicle detection system, and the functions of the system are verified.
【學位授予單位】：天津科技大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U495;TN929.5;TP391.44

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