自組織超寬帶物聯(lián)網(wǎng)協(xié)調(diào)器的設(shè)計與實(shí)現(xiàn)
[Abstract]:Assets are the lifeblood of enterprises and institutions, so asset management is very important to enterprises and institutions. Most of the traditional asset management methods remain in the handwritten mode or simple office operation mode, which can not meet the development needs of modern enterprise assets information. Ultra-wideband (Ultra Wide Band,UWB (UWB) technology is widely used in storage management, asset management, smart home and other fields with its fast transmission rate and strong anti-interference. UWB technology is used for asset information management. Timely and reliable monitoring and management of assets to avoid damage and loss of assets. Based on the research of UWB communication technology and related theories, a self-organizing wireless routing coordinator is designed for the practical application of the Internet of things. UWB Internet of things coordinator consists of control circuit, UWB communication circuit, sensing information acquisition circuit, power circuit, communication interface circuit, UWB antenna and other hardware modules, control and application software. In this paper, the design and fabrication of the functional circuits of the UWB Internet of things Coordinator are completed, and the main control embedded program of the Coordinator and the application software of the host computer are developed. On this basis, the function and performance of the software and hardware of the Coordinator are tested. The coordinator acts as an internetwork connector in the network. The coordinator receives the asset location information and the temperature and humidity information transmitted by the sensor nodes in the network and is responsible for sending all the data information to the upper computer management system. The upper computer management system can view the data information in real time. Once the temperature and humidity exceed the safety threshold, the system will alarm in time. At the same time, the data is saved to the database, which is convenient for users to query the history records. Finally, the hardware system test, node communication ability test and networking test of the coordinator are carried out. The test results show that the UWB Internet of things coordinator can receive the data information of sensor nodes in the network in real time and stably. The network packet loss rate is less than 5m, the maximum visual communication distance is 100m, the maximum non-direct view communication distance is 25m, the information collection period is not more than 10s, and its actual function and performance index fully meet the expected design requirements. The control and summary of position information and temperature and humidity information are realized successfully.
【學(xué)位授予單位】:電子科技大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:TP391.44;TN925
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