| 基于信息熵-模糊理论的航空发动机性能评估 |
| |
| 引用本文： | 瞿红春,刘杰,甘晓燕.基于信息熵-模糊理论的航空发动机性能评估[J].中国民航学院学报,2009,27(2):23-25. |
| |
| 作者姓名： | 瞿红春 刘杰 甘晓燕 |
| |
| 作者单位： | 瞿红春,刘杰,Qu Hong-chun,LIU Jie(中国民航大学航空工程学院,天津,300300);甘晓燕,GAN Xiao-yan(陆军航空兵学院机械系,北京,101123)
|
| |
| 基金项目： | 中国民航大学科研启动基金 |
| |
| 摘 要： | 航空发动机性能评估可以分析发动机健康状况，预测潜在故障。传统评估方法主要通过计算发动机排气温度和燃油流量的变化进行评价，该方法反映的发动机特征信息不够全面。运用信息熵理论和模糊数学理论，通过对某型发动机典型故障进行故障树分析，计算故障征兆及原因的信息熵权值，建立了一个多参数的发动机性能评估模型，并对发动机各类故障原因对整体性能的影响进行定量分析，从而为发动机可靠性控制提供量化参考指标。
|
| 关 键 词： | 信息熵 模糊数学 航空发动机 性能评估 |
Research of Aero-Engine Performance Evaluation Based on Information Entropy and Fuzzy Method |
| |
| Qu Hong-chun,LIU Jie,GAN Xiao-yan.Research of Aero-Engine Performance Evaluation Based on Information Entropy and Fuzzy Method[J].Journal of Civil Aviation University of China,2009,27(2):23-25. |
| |
| Authors: | Qu Hong-chun LIU Jie GAN Xiao-yan |
| |
| Institution: | QU Hong-chun, LIU Jie , GAN Xiao-yan (1. College of Aeronautical Engineering, CA UC, Tianjin 300300, China; 2. Department of Mechanical Engineering, Army Aviation Institute, Beijing 101123, China) |
| |
| Abstract: | Performance evaluation is used to analyze the health statue and forecast the latent faults of aero-engines. A common way is calculate the deviation of exhaust gas temperature and fuel flow capacity, which not fitly reflects the entire performance information. By means of information entropy and fuzzy mathematics theory, the typical faults of aero-engines are analyzed systematically and the information entropy weights of faulty symptoms and causes are calculated, then a multi-parameters performance evaluation model is developed and the effect of engine faults are calculated so as to offer a comprehensive numerical criterion for the reliability control of aero-engines. |
| |
| Keywords: | information entropy fuzzy mathematics aero-engine performance evaluation |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
