[1]黄燕晓,郝红勋,郭家琛.应用单元体参数的航空发动机性能预警方法[J].华侨大学学报(自然科学版),2016,37(5):527-530.[doi:10.11830/ISSN.1000-5013.201605001]
　HUANG Yanxiao,HAO Hongxun,GUO Jiachen.Research on Aero-Engine Performance Early Alerting Method Using Module Parameters[J].Journal of Huaqiao University(Natural Science),2016,37(5):527-530.[doi:10.11830/ISSN.1000-5013.201605001]
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应用单元体参数的航空发动机性能预警方法()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第37卷
期数:
2016年第5期
页码:
527-530
栏目:
出版日期:
2016-09-20

文章信息/Info

Title:
Research on Aero-Engine Performance Early Alerting Method Using Module Parameters
文章编号:
1000-5013(2016)05-0527-04
作者:
黄燕晓1;  郝红勋2;  郭家琛3
1. 中国民航大学 通用航空学院, 天津 300300;2. 中国民航大学 飞行技术学院, 天津 300300;3. 南京航空航天大学 民航学院, 江苏 南京 210016
Author(s):
HUANG Yanxiao1;  HAO Hongxun2;  GUO Jiachen2
1. College of General Aviation, Civil Aviation University of China, Tianjin 300300, China; 2. College of Flight Technology, Civil Aviation University of China, Tianjin 300300, China; 3. College of Civil Aviation, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
关键词:
航空发动机;  单元体参数;  预警方法;  动态阈值;  σ准则
Keywords:
aero-engine;  module parameters;  alerting method;  dynamic threshold;  σ criteria
分类号:
V239
DOI:
10.11830/ISSN.1000-5013.201605001
文献标志码:
A
摘要:
基于安全关口前移的性能预警要求,提出以单元体参数的航空发动机性能预警方法,提取发动机原理分析性能参数相关的可测参数与参数组合.以发动机机队为研究对象,运用数据统计的σ准则构建性能指数动态阈值模型.以PW4077D型机队5台发动机1 440~1 980循环数据验证模型,并与主成分性能阈值模型比较.结果表明:构建的模型计算结果与主成分模型结果一致,即性能动态阈值随循环数增加而复杂下降,在1 500,1 560和1 840等循环附近阈值有所恢复.
Abstract:
To satisfy the requirements caused by the pre crossing safety for aero-engine performance early alerting, the paper put forward to take out the measurable parameters and their combinations related to the performance parameters by engine operating principle with aero-engine performance early alerting method based on module parameters. With the engine fleet as the research objects, then proposed performance index dynamic threshold model using the statistical criteria with the fleet as the research objects. The performance data of 5 engines with 1 440-1 980 cycles in PW4077D fleet were imputed into the model to verify the performance index dynamic threshold model. Then the paper compared the results generated by combining the fixed weighted value and the statistical criteria with that generated by the PCA method. The comparison showed that the results of two methods were in agreement with each other, i.e., when the performance index dynamic threshold values decrease complexly as the cycle number within the 1 440-1 980 cycles increases, and the threshold values of the 1 500, 1 560 and 1 840 cycles in their neighborhood had recovered somewhat.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-07-23
通信作者: 黄燕晓(1980-),男,讲师,博士,主要从事飞机发动机健康管理技术的研究.E-mail:oldsea0592@163.com.
基金项目: 国家安全生产监督管理局安全生产重大事故防治关键技术科技项目(tianjin-0001-2015AQ)
更新日期/Last Update: 2016-09-20