客機(jī)座艙環(huán)境監(jiān)測(cè)系統(tǒng)設(shè)計(jì)及數(shù)據(jù)融合算法研究
本文選題:座艙環(huán)境 切入點(diǎn):評(píng)價(jià)模型 出處:《中國(guó)民航大學(xué)》2017年碩士論文
【摘要】:座艙環(huán)境的安全、健康、舒適受到了越來(lái)越多的重視。目前關(guān)于座艙環(huán)境的監(jiān)測(cè)多采用單一傳感器,并無(wú)集成式的監(jiān)測(cè)系統(tǒng);且由于座艙環(huán)境區(qū)別與一般的室內(nèi)環(huán)境,狹小、密閉、有增壓需求,因此市面上的集成監(jiān)測(cè)系統(tǒng)也無(wú)法滿足座艙環(huán)境的監(jiān)測(cè)。關(guān)于座艙環(huán)境的評(píng)價(jià)研究也多基于問卷調(diào)查和對(duì)實(shí)測(cè)數(shù)據(jù)進(jìn)行簡(jiǎn)單的擬合。本文設(shè)計(jì)了一個(gè)綜合性的座艙環(huán)境質(zhì)量監(jiān)測(cè)系統(tǒng),能夠同時(shí)實(shí)現(xiàn)對(duì)多種環(huán)境參數(shù)的監(jiān)測(cè),并將座艙環(huán)境評(píng)估模型嵌入到監(jiān)測(cè)系統(tǒng)中,得到當(dāng)前的座艙環(huán)境評(píng)估值。主要工作以及獲得的結(jié)果如下:1、通過對(duì)現(xiàn)有的各國(guó)適航標(biāo)準(zhǔn)及我國(guó)的環(huán)境質(zhì)量國(guó)標(biāo)進(jìn)行整理與總結(jié),提出了針對(duì)座艙環(huán)境參數(shù)的建議性閾值。調(diào)研了現(xiàn)有的座艙舒適性調(diào)查,根據(jù)影響乘客總體滿意度的調(diào)查選取了需要監(jiān)測(cè)的環(huán)境參數(shù)。2、設(shè)計(jì)了一款低功耗,抗干擾能力強(qiáng)的硬件采集系統(tǒng),以STM32為處理器,兼有模擬量通道與數(shù)字量通道,實(shí)現(xiàn)對(duì)多種座艙環(huán)境參數(shù)信號(hào)的采集。著重考慮了數(shù)模信號(hào)的隔離,能夠多通道、實(shí)時(shí)、精確的采集多種環(huán)境參數(shù)。3、系統(tǒng)軟件平臺(tái)作為系統(tǒng)的控制部分,實(shí)現(xiàn)數(shù)據(jù)的采集顯示、處理、保存及后續(xù)數(shù)據(jù)融合后的評(píng)價(jià)。數(shù)據(jù)采集模塊利用串口實(shí)現(xiàn)與硬件平臺(tái)的數(shù)據(jù)傳輸;數(shù)據(jù)存儲(chǔ)模塊利用LABVIEW自帶的工具包建立獨(dú)立的數(shù)據(jù)庫(kù)保存數(shù)據(jù);數(shù)據(jù)融合采用了遺傳神經(jīng)網(wǎng)絡(luò)算法,其運(yùn)行效率高,訓(xùn)練速度快,結(jié)果誤差小,具有較高的計(jì)算效率;谶z傳神經(jīng)網(wǎng)絡(luò)算法的環(huán)境參數(shù)評(píng)價(jià)模型,實(shí)現(xiàn)了對(duì)當(dāng)前座艙環(huán)境的評(píng)價(jià)。
[Abstract]:More and more attention has been paid to the safety, health and comfort of cockpit environment. At present, single sensor is used in the monitoring of cockpit environment, and there is no integrated monitoring system. Airtight, pressurized, Therefore, the integrated monitoring system on the market can not meet the monitoring of cockpit environment. The evaluation research on cockpit environment is also based on questionnaire survey and simple fitting of measured data. A comprehensive seat is designed in this paper. Cabin environmental quality monitoring system, It can realize the monitoring of many environmental parameters at the same time, and embed the cabin environment assessment model into the monitoring system. Get the current cabin environmental assessment value. The main work and the results obtained are as follows: 1, through the existing national airworthiness standards and our national standards for environmental quality collated and summarized, The suggested threshold for cabin environment parameters is put forward. The existing cabin comfort survey is investigated. According to the investigation that affects the overall passenger satisfaction, the environmental parameter. 2, which needs to be monitored, is selected, and a low power consumption model is designed. The hardware acquisition system with strong anti-jamming ability, with STM32 as the processor, has both analog and digital channels to collect the signals of various cabin environment parameters. The isolation of digital-analog signals is emphasized, which can be multi-channel and real-time. Accurate collection of a variety of environmental parameters. 3, the system software platform as the control part of the system, data collection, display, processing, Data acquisition module uses serial port to realize data transmission with hardware platform, data storage module uses LABVIEW toolkit to build independent database to save data. The data fusion adopts the genetic neural network algorithm, which has the advantages of high running efficiency, fast training speed, small error and high computational efficiency. The evaluation model of environment parameters based on genetic neural network algorithm is presented. The evaluation of the current cockpit environment is realized.
【學(xué)位授予單位】:中國(guó)民航大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:V245.3;TP274
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