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论文:2016,Vol:34,Issue(6):990-995 |
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引用本文： |
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和麟, 梁丽嫒, 马存宝. 飞机起落架液压收放系统多故障仿真与健康评估[J]. 西北工业大学学报 |
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He Lin, Liang Liai, Ma Cunbao. Multiple Failure Simulation and Health Evaluation of Aircraft Landing Gear Hydraulic Retraction/Extension System[J]. Northwestern polytechnical university |
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| 飞机起落架液压收放系统多故障仿真与健康评估 |
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| 和麟1, 梁丽嫒2, 马存宝1 |
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1. 西北工业大学 航空学院, 陕西 西安 710072;
2. 西安飞豹科技发展公司 仿真部, 陕西 阎良 710089 |
| 摘要: |
| 起落架不能正常收放严重威胁飞行安全，迫切需要掌握其健康状态以便提前预防故障发生。以典型支线客机的起落架收放系统为研究对象，探索了对不同故障模式下的健康程度进行评估的方法。利用AMESim软件建立了该系统的仿真模型，研究液压回路中元件参数性能变化对系统工作性能的影响。选取系统输出参数，提取故障特征，利用神经网络算法实现了系统的健康评估。结论表明该方法是可行的，为新一代飞机起落架液压收放系统的健康评估提供了思路。 |
| 关键词:
飞机液压系统
起落架收放
故障模式
AMESim仿真
健康评估
神经网络
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| Multiple Failure Simulation and Health Evaluation of Aircraft Landing Gear Hydraulic Retraction/Extension System |
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| He Lin1, Liang Liai2, Ma Cunbao1 |
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1. School of Aeronautics, Northwestern Polytechnical University, Xi'an 710072, China;
2. Xi'an Feibao Technology Development Company, Yanliang 710089, China |
| Abstract: |
| Abnormal landing gear retraction/extension(R/E) will make the aircraft unable to land and endanger the flight safety. It is necessary to prevent the failure and avoid the accident by knowing its health condition. A multiple failure modes based health evaluation of aircraft landing gear hydraulic R/E system is developed. For typical regional aircraft, a simulation model of this system is built by AMESim software. The effects of degradation of different component parameters in the hydraulic loop are calculated and fault characteristics are extracted. Health evaluation is performed through neural network algorithm. Simulation and calculation results show that the fault characteristics are reasonable and this method is feasible, which provide a way for health evaluation of new generation aircraft landing gear hydraulic R/E system. |
| Key words:
aircraft hydraulic system
landing gear retraction/extension
failure mode
AMESim
health evaluation
neural network
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| 收稿日期: 2016-04-20
修回日期:
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| DOI: |
| 基金项目: 国家自然科学基金（51475368）与国家重点基础研究发展计划（2014CB744902）资助 |
| 通讯作者:
Email： |
| 作者简介: 和麟(1973-),女,西北工业大学副教授,主要从事航电系统仿真、故障诊断与健康管理、系统测试性/安全性研究。
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| 相关功能 |
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| 作者相关文章 |
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| 和麟 在本刊中的所有文章 |
| 梁丽嫒 在本刊中的所有文章 |
| 马存宝 在本刊中的所有文章 |
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