座艙溫度異常事故模擬仿真研究
發(fā)布時間：2018-11-08 07:48
【摘要】：客艙環(huán)境控制系統(tǒng)適航能力是衡量民航客機(jī)無故障運營的重要方面,民航事業(yè)發(fā)展的樞紐。這就需要詳細(xì)的對國外客艙環(huán)境的適航性進(jìn)行研究,以為我國提出具有更高水平的適航標(biāo)準(zhǔn)提供依據(jù)。座艙環(huán)境控制系統(tǒng)十分復(fù)雜,環(huán)境參數(shù)較多,所以本文以影響乘客和機(jī)組人員的熱環(huán)境參數(shù)的座艙溫度為研究對象,研究了環(huán)控系統(tǒng)中發(fā)生的溫度異常事故/事件。本文首先回顧了近30年來與座艙環(huán)境控制系統(tǒng)相關(guān)的座艙異常事故/事件,從事故/事件的指標(biāo)和機(jī)理方面進(jìn)行統(tǒng)計分析,了解環(huán)控系統(tǒng)的整體安全狀況,表明座艙溫度是影響座艙空氣質(zhì)量的重要參數(shù)之一;然后對FAA適航條款g831.25)(關(guān)于座艙溫度方面安全性規(guī)定作一解析。根據(jù)能量守恒,在MATLAB仿真環(huán)境下建立座艙溫度控制系統(tǒng)仿真模型,對仿真結(jié)果進(jìn)行動態(tài)分析,同AMESim仿真結(jié)果對比,表明本文所建立的環(huán)控系統(tǒng)溫控模型能夠較好地反映座艙內(nèi)實際溫度參數(shù)變化,并設(shè)計了手動故障注入界面;在此基礎(chǔ)上,用蒙特卡洛方法建立座艙溫度控制系統(tǒng)隨機(jī)故障仿真模型,研究隨機(jī)故障對座艙的影響。對結(jié)果進(jìn)行整理,分析仿真結(jié)果表明座艙溫度異常事故率處于g25.831 CCAR)(標(biāo)準(zhǔn)范圍之內(nèi)。最后,對研究成果做了進(jìn)一步的總結(jié),為以后環(huán)控系統(tǒng)設(shè)計以及相關(guān)標(biāo)準(zhǔn)的制定提供參考。經(jīng)過上述研究得出:通過系統(tǒng)仿真的方法搭建隨機(jī)故障生成模型,對事故進(jìn)行模擬仿真,進(jìn)而對相關(guān)條款進(jìn)行驗證分析的方法是可行的。本文的研究為適航體系的建設(shè)提供的相關(guān)的理論依據(jù)及技術(shù)支持;為安全性評估驗證工作建立了一種可行方式。
[Abstract]:The airworthiness of cabin environment control system is an important aspect to measure the faultless operation of civil aviation passenger aircraft and the hub of the development of civil aviation. It is necessary to study the seaworthiness of foreign cabin environment in detail to provide the basis for our country to put forward a higher standard of airworthiness. The cabin environment control system is very complex and the environment parameters are many. Therefore, the cabin temperature which affects the thermal environment parameters of passengers and crew is taken as the research object, and the abnormal temperature accidents / events in the environment control system are studied. In this paper, we first review the abnormal accidents / events related to the cockpit environment control system in the past 30 years, and make statistical analysis on the indexes and mechanism of the accidents / events, and understand the overall safety situation of the environmental control system. It is shown that cabin temperature is one of the important parameters affecting cabin air quality. Then the FAA airworthiness clause g 831.25) (on cabin temperature safety provisions for an analysis. According to the conservation of energy, the simulation model of cabin temperature control system is established under the environment of MATLAB, and the simulation results are analyzed dynamically, and compared with the results of AMESim simulation. The results show that the temperature control model established in this paper can better reflect the change of actual temperature parameters in the cockpit, and the manual fault injection interface is designed. On this basis, the simulation model of random fault of cabin temperature control system is established by Monte Carlo method, and the influence of random fault on cockpit is studied. The simulation results show that the abnormal accident rate of cabin temperature is within the range of g25.831 CCAR) (standard. Finally, the research results are further summarized, which provides a reference for the future design of environmental control system and the formulation of related standards. Through the above research, it is concluded that it is feasible to build a random fault generation model by the method of system simulation, to simulate the accident, and then to verify and analyze the relevant articles. The research in this paper provides relevant theoretical basis and technical support for the construction of airworthiness system, and establishes a feasible way for safety evaluation and verification.
【學(xué)位授予單位】：中國民航大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：V245.3;TP391.9
本文編號：2317844
[Abstract]:The airworthiness of cabin environment control system is an important aspect to measure the faultless operation of civil aviation passenger aircraft and the hub of the development of civil aviation. It is necessary to study the seaworthiness of foreign cabin environment in detail to provide the basis for our country to put forward a higher standard of airworthiness. The cabin environment control system is very complex and the environment parameters are many. Therefore, the cabin temperature which affects the thermal environment parameters of passengers and crew is taken as the research object, and the abnormal temperature accidents / events in the environment control system are studied. In this paper, we first review the abnormal accidents / events related to the cockpit environment control system in the past 30 years, and make statistical analysis on the indexes and mechanism of the accidents / events, and understand the overall safety situation of the environmental control system. It is shown that cabin temperature is one of the important parameters affecting cabin air quality. Then the FAA airworthiness clause g 831.25) (on cabin temperature safety provisions for an analysis. According to the conservation of energy, the simulation model of cabin temperature control system is established under the environment of MATLAB, and the simulation results are analyzed dynamically, and compared with the results of AMESim simulation. The results show that the temperature control model established in this paper can better reflect the change of actual temperature parameters in the cockpit, and the manual fault injection interface is designed. On this basis, the simulation model of random fault of cabin temperature control system is established by Monte Carlo method, and the influence of random fault on cockpit is studied. The simulation results show that the abnormal accident rate of cabin temperature is within the range of g25.831 CCAR) (standard. Finally, the research results are further summarized, which provides a reference for the future design of environmental control system and the formulation of related standards. Through the above research, it is concluded that it is feasible to build a random fault generation model by the method of system simulation, to simulate the accident, and then to verify and analyze the relevant articles. The research in this paper provides relevant theoretical basis and technical support for the construction of airworthiness system, and establishes a feasible way for safety evaluation and verification.
【學(xué)位授予單位】：中國民航大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：V245.3;TP391.9
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