【摘要】：浮空平臺(tái)通常是指憑借空氣的浮力來(lái)克服自身重力從而飄浮在空中的飛行器。目前,浮空平臺(tái)在運(yùn)輸行業(yè)、通訊行業(yè)、旅游行業(yè)、救援行業(yè)以及環(huán)境檢測(cè)、空中預(yù)警、反恐、反潛等工作中有著重要的應(yīng)用。但是在浮空平臺(tái)的實(shí)際應(yīng)用中,由于供電能力的限制,浮空平臺(tái)的機(jī)動(dòng)能力差,有效負(fù)載的工作時(shí)間短�？紤]到高空中光照條件好,可以利用太陽(yáng)能作為浮空平臺(tái)的能量來(lái)源。近些年,太陽(yáng)能浮空平臺(tái)逐漸成為國(guó)際上重點(diǎn)研究工作之一。本文充分調(diào)研了國(guó)內(nèi)外太陽(yáng)能浮空平臺(tái)的發(fā)展研究現(xiàn)狀,指出了本課題涉及的對(duì)太陽(yáng)能浮空平臺(tái)供電技術(shù)的研究,實(shí)際上就是對(duì)獨(dú)立太陽(yáng)能供電系統(tǒng)進(jìn)行研究。在獨(dú)立太陽(yáng)能供電系統(tǒng)中,需要解決諸如太陽(yáng)能電池性能、太陽(yáng)能控制器性能以及蓄電能力等一系列問(wèn)題。本論文重點(diǎn)針對(duì)其中太陽(yáng)能電池的輸出特性和太陽(yáng)能控制器中MPPT控制算法開(kāi)展研究,探索提高獨(dú)立太陽(yáng)能供電系統(tǒng)性能的途徑與方法,為太陽(yáng)能浮空平臺(tái)供電技術(shù)的進(jìn)一步研究提供了有價(jià)值的參考。首先,通過(guò)對(duì)太陽(yáng)能電池工作原理的闡述進(jìn)行了相關(guān)的建模工作。選擇采用三種方法對(duì)其輸出特性進(jìn)行了深入的研究。綜合三種方法所得的相關(guān)曲線,實(shí)現(xiàn)了對(duì)其輸出特性的復(fù)現(xiàn)。其次,闡述了MPPT控制過(guò)程、原理以及三種經(jīng)典的MPPT控制算法。提出了一種改進(jìn)的算法(變步長(zhǎng)干擾觀測(cè)法)并對(duì)其進(jìn)行了建模仿真。結(jié)果表明,改進(jìn)的算法不僅能夠提高整體的追蹤速度,還能夠避免最終工作點(diǎn)的振蕩。最后,作者通過(guò)對(duì)軟硬件的具體設(shè)計(jì),搭建了一套基于Zynq7020芯片的模擬供電實(shí)驗(yàn)系統(tǒng)。完成了對(duì)重要數(shù)據(jù)的采集和MPPT等工作。其中,對(duì)其能否正常完成MPPT工作進(jìn)行了相關(guān)的實(shí)驗(yàn)測(cè)試,驗(yàn)證了MPPT工作的有效性。
[Abstract]:A floating platform is a vehicle that floats in the air with the buoyancy of the air to overcome its own gravity. At present, floating platform has important applications in transportation industry, communication industry, tourism industry, rescue industry and environmental detection, air warning, anti-terror, anti-submarine and other work. However, in the practical application of floating platform, because of the limitation of power supply, the mobility of floating platform is poor, and the working time of payload is short. Solar energy can be used as the energy source of floating platform considering the good illumination conditions in the upper air. In recent years, solar floating platform has gradually become one of the most important research work in the world. In this paper, the research status of solar floating platform at home and abroad is fully investigated, and it is pointed out that the research of solar floating platform power supply technology involved in this subject is in fact the research on independent solar power supply system. In the independent solar power supply system, a series of problems such as solar cell performance, solar controller performance and storage capacity need to be solved. This paper focuses on the output characteristics of solar cells and the MPPT control algorithm in solar controller, and explores the ways and methods to improve the performance of independent solar power supply system. It provides a valuable reference for the further research of solar floating platform power supply technology. First of all, the related modeling work is done by explaining the working principle of solar cells. Three methods are chosen to study the output characteristics. By synthesizing the correlation curves obtained by the three methods, the output characteristics of these curves can be reproduced. Secondly, the MPPT control process, principle and three classical MPPT control algorithms are described. An improved algorithm (variable step size interference observation method) is proposed and simulated. The results show that the improved algorithm can not only improve the overall tracking speed, but also avoid the oscillation of the final working point. Finally, the author designs the hardware and software, and builds a simulation power supply experiment system based on Zynq7020 chip. The important data collection and MPPT are completed. Among them, the effectiveness of MPPT work is verified by relevant experiments on whether it can complete the MPPT work normally.
【學(xué)位授予單位】：曲阜師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類(lèi)號(hào)】：V242;TM914.4

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