本文選題：物聯(lián)網(wǎng) + 糧情測控　； 參考：《河南工業(yè)大學》2017年碩士論文

【摘要】：物聯(lián)網(wǎng)將生活中的機器、設(shè)備、甚至人員進行統(tǒng)一的管理,包含了環(huán)境感知、嵌入式計算、網(wǎng)絡(luò)通信和網(wǎng)絡(luò)控制等系統(tǒng)工程,它能夠?qū)崿F(xiàn)計算資源與物理資源的緊密結(jié)合與協(xié)調(diào)。物聯(lián)網(wǎng)在智能家居、移動互聯(lián)、環(huán)境監(jiān)測、智能安防、物流管理等領(lǐng)域已經(jīng)有了比較成熟的應(yīng)用。將物聯(lián)網(wǎng)應(yīng)用于糧食儲藏領(lǐng)域是一個新的挑戰(zhàn),我國糧倉儲糧周期長,儲糧管理工作信息化程度低,糧堆在長時間處于高能量、大體積、不穩(wěn)定的狀態(tài)下,局部易發(fā)生霉變、高溫發(fā)熱、低溫結(jié)露、蟲害等一系列問題,造成糧食品質(zhì)下降,甚至質(zhì)量損失。糧情監(jiān)測技術(shù)通過大量傳感器設(shè)備實時監(jiān)測糧堆的溫濕度、糧倉內(nèi)溫濕度、氣體濃度等各類數(shù)據(jù),將糧堆信息及時傳遞倉庫管理工作人員,以便于儲糧管理工作的開展,旨在做到減損降耗、保質(zhì)安全、綠色健康、提質(zhì)增效。然而我國現(xiàn)階段的糧情監(jiān)測工作仍然存在很多問題,例如智能化程度低、工程布線復(fù)雜、設(shè)備落后等。本文將物聯(lián)網(wǎng)體系架構(gòu)與糧情測控技術(shù)相結(jié)合,提出了一個靈活開放、低功耗、低成本的糧情測控物聯(lián)網(wǎng)系統(tǒng)模型。主要進行了以下的研究工作:(1)分析研究了糧情測控技術(shù)的發(fā)展現(xiàn)狀和存在的問題,結(jié)合我國儲量管理工作的特點和具體需求,從功能角度給出了一個靈活開放的基于無線通信技術(shù)的糧情測控物聯(lián)網(wǎng)系統(tǒng)模型。在這個糧情測控網(wǎng)絡(luò)中主要包括三種無線數(shù)據(jù)傳輸節(jié)點:感知層無線數(shù)據(jù)采集節(jié)點、中繼節(jié)點和物聯(lián)網(wǎng)網(wǎng)關(guān)。本文給出了三種節(jié)點模塊的功能設(shè)計,并基于這些模塊進行了數(shù)據(jù)采集分析和上位機開發(fā)。(2)研究了基于無線通信的糧情測控物聯(lián)網(wǎng)組網(wǎng)模型和節(jié)點功耗問題。系統(tǒng)的網(wǎng)絡(luò)拓撲結(jié)構(gòu)、MAC協(xié)議、路由協(xié)議等因素對系統(tǒng)的性能、功耗、生命周期都有較大的影響。基于糧情測控物聯(lián)網(wǎng)系統(tǒng)的規(guī)模、應(yīng)用場景、功耗要求等因素,我們提出了適合于糧情測控物聯(lián)網(wǎng)的組網(wǎng)模型。實驗表明,正常情況下,無線數(shù)據(jù)采集節(jié)點的能量供應(yīng)能滿足糧情監(jiān)測工作的要求。
[Abstract]:The Internet of things unifies the management of machines, devices, and even people in life, including environmental awareness, embedded computing, network communication, network control, and so on. It can realize the close combination and coordination of computing resources and physical resources. Internet of things has been used in smart home, mobile interconnection, environment monitoring, intelligent security, logistics management and so on. It is a new challenge to apply the Internet of things in the field of grain storage. The storage period of grain storage in our country is long, the information level of grain storage management is low, the grain heap is in the condition of high energy, large volume and instability for a long time, the local mildew is easy to occur. A series of problems, such as high temperature fever, low temperature dew, insect pests and so on, lead to the decline of grain quality and even the loss of quality. In order to facilitate the development of grain storage management, the grain condition monitoring technology uses a large number of sensor equipment to real-time monitor the temperature and humidity of grain heaps, temperature and humidity in the granary, gas concentration and other kinds of data, so that the information of grain heaps can be transmitted to the warehouse management staff in time to facilitate the development of grain storage management. In order to reduce consumption, quality and safety, green health, quality and efficiency. However, there are still many problems in the current situation monitoring in China, such as low intelligence, complex wiring, backward equipment and so on. In this paper, a flexible, open, low power and low cost model of food condition measurement and control system is proposed by combining the Internet of things architecture with the technology of grain condition measurement and control. Mainly carried out the following research work: (1) analyzing and studying the present situation and existing problems of grain condition measurement and control technology, combining the characteristics and specific needs of reserve management work in China, From the point of view of function, a flexible and open food condition measurement and control system model based on wireless communication technology is presented. In this network, there are three kinds of wireless data transmission nodes: sensing layer wireless data acquisition node, relay node and Internet of things gateway. In this paper, the function design of three kinds of node modules is given, and based on these modules, data collection and analysis and host computer development are carried out. The network model and node power consumption of grain condition measurement and control network based on wireless communication are studied in this paper. The network topology, MAC protocol and routing protocol have great influence on the performance, power consumption and life cycle of the system. Based on the scale, application scenario, power requirement and other factors of the grain condition measurement and control of things system, we proposed a network model suitable for the grain condition measurement and control Internet of things. The experimental results show that the energy supply of wireless data acquisition nodes can meet the requirements of grain condition monitoring under normal conditions.
【學位授予單位】：河南工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2017
【分類號】：S379;TN929.5;TP391.44

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