基于模糊灰色聚类和组合赋权法的飞机健康状态综合评估方法

doi:10.7527/S1000-6893.2013.0392

固体力学与飞行器总体设计

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基于模糊灰色聚类和组合赋权法的飞机健康状态综合评估方法

崔建国¹, 林泽力¹, 吕瑞², 蒋丽英¹, 齐义文¹

1. 沈阳航空航天大学自动化学院, 辽宁沈阳 110136;
2. 沈阳飞机设计研究所, 辽宁沈阳 110035

收稿日期:2013-05-21 修回日期:2013-09-16 出版日期:2014-03-25 发布日期:2013-09-22
通讯作者: 崔建国，Tel.：024-89724448 E-mail：gordon_cjg@163.com E-mail:gordon_cjg@163.com
作者简介:崔建国男，博士，教授，硕士生导师。主要研究方向：飞行器健康诊断、预测与综合健康管理，仿真技术与应用等。Tel：024-89724448 E-mail：gordon_cjg@163.com；林泽力男，硕士研究生。主要研究方向：飞行器健康状态综合评估技术研究，仿真技术与应用等。Tel：024-89724448 E-mail：linxi5211987@126.com
基金资助:
航空科学基金（2010ZD54012）；部级项目

Comprehensive Assessment Method of Aircraft Health Status Based on Fuzzy Gray Clustering and Combination Weighting

CUI Jianguo¹, LIN Zeli¹, LV Rui², JIANG Liying¹, QI Yiwen¹

1. School of Automation, Shenyang Aerospace University, Shenyang 110136, China;
2. Shenyang Aircraft Design Research Institute, Shenyang 110035, China

Received:2013-05-21 Revised:2013-09-16 Online:2014-03-25 Published:2013-09-22
Supported by:
Aeronautical Science Foundation of China (2010ZD54012); Ministry Level Project

摘要/Abstract

摘要：

针对目前飞机健康状态不易准确评估的难题，以飞机液压系统为具体研究对象，提出一种基于模糊灰色聚类和组合赋权相结合的健康状态综合评估新方法。首先，利用熵权法和层次分析法（AHP）分别计算并确定飞机液压系统各关键部件相关参数的权重，再通过组合赋权法将上述两种权重进行组合，得到具有主客观意义的组合权重。第二，采用灰色聚类法评估飞机液压系统各关键部件的健康状态。针对评估结果，由飞机液压系统各关键部件聚类系数创建飞机液压系统的健康评估模糊评判矩阵。然后依据该矩阵，采用熵权法和AHP分别求出各关键部件权重，并用组合赋权法进行组合。最终，采用模糊综合评判法评估飞机液压系统的健康状态。以某型飞机真实液压系统为例进行了试验验证，结果表明，所提出的基于模糊灰色聚类和组合赋权相结合的健康状态综合评估方法能够有效实现飞机液压系统健康评估的效能，具有很好的工程应用价值。

关键词: 飞机液压系统, 健康状态评估, 模糊综合评判, 灰色聚类, 组合赋权

Abstract:

Considering this difficulty and taking the aircraft hydraulic system as the specific research object, the paper proposes a new method of health status comprehensive assessment based on fuzzy gray clustering with combination weithting. Firstly, use entropy weight method and analytic hierarchy process (AHP) to respectively calculate and determine the related parameters' weights of the key parts of aircraft hydraulic system. Then, to get the subjective and objective sense weight, combine the two weights by the combination weithting method. And then, use gray clustering method to comprehensively assess the health status of each key part of aircraft hydraulic system. According to the above results, firstly, use the clustering coefficient of each key part to create the fuzzy evaluation matrix. Then, according to the matrix, apply entropy weight method and AHP to respectively calculate and determine the weight of each key part, and combine the two weights by combination assigning method. Finally, utilize the fuzzy comprehensive evaluation to accurately assess the health status of aircraft hydraulic system. The method is verified by a practical case of aircraft hydraulic system. The results indicate that the proposed method can get good efficiency of the aircraft hydraulic system health status assessment, and has great value in engineering application.

Key words: aircraft hydraulic system, health status assessment, fuzzy comprehensive evaluation, gray clustering, combination weighting

中图分类号:

崔建国, 林泽力, 吕瑞, 蒋丽英, 齐义文. 基于模糊灰色聚类和组合赋权法的飞机健康状态综合评估方法[J]. 航空学报, 2014, 35(3): 764-772.

CUI Jianguo, LIN Zeli, LV Rui, JIANG Liying, QI Yiwen. Comprehensive Assessment Method of Aircraft Health Status Based on Fuzzy Gray Clustering and Combination Weighting[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2014, 35(3): 764-772.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

基于模糊灰色聚类和组合赋权法的飞机健康状态综合评估方法

Comprehensive Assessment Method of Aircraft Health Status Based on Fuzzy Gray Clustering and Combination Weighting

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