Research on Maintenance Scheme of a Trans-supersonic Wind Tunnel Augmentation Ejector Based onFuzzy Evaluation Method

doi:10.3969/j.issn.1000-1093.2014.08.024

Acta Armamentarii ›› 2014, Vol. 35 ›› Issue (8): 1295-1300.doi: 10.3969/j.issn.1000-1093.2014.08.024

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Research on Maintenance Scheme of a Trans-supersonic Wind Tunnel Augmentation Ejector Based onFuzzy Evaluation Method

DONG Bin¹， WANG Tao¹， XU Yong-cheng²， XIA Ming-zhu¹

(1.High Speed Aerodynamics Institute, China Aerodynamics Research and Development Center,Mianyang 621000, Sichuan, China;2.Laboratory of Science and Technology on Integrated Logistics Support, National University of Defense Technology,Changsha 410073, Hunan, China)

Received:2013-08-21 Revised:2013-08-21 Online:2014-11-03
Contact: DONG Bin E-mail:ayumihamasakia@163.com

Abstract

Abstract: A fuzzy evaluation model is proposed for the fuzziness of evaluation indexes of maintenance schemes in the maintenance scheme evaluating process of a trans-supersonic wind tunnel augmentation ejector, and the calculation method for evaluating confidence index is concluded. This model is used to qualitatively and quantitatively analyze 4 maintenance schemes in terms of safety, economics, disassemblability and assemblability, human factors engineering, timeliness, and maintenance quality, and the optimized maintenance scheme of the trans-supersonic wind tunnel augmentation ejector is obtained. At the same time, the maintenance schemes of other wind tunnel systems are also able to be evaluated to confirm the optimized maintenance schemes with this model, which promotes scientific nature of choosing optimal maintenance schemes.

Key words: aerospace systems engineering, augmentation ejector, maintenance scheme, fuzzy evaluation model, confidence index

DONG Bin， WANG Tao， XU Yong-cheng， XIA Ming-zhu. Research on Maintenance Scheme of a Trans-supersonic Wind Tunnel Augmentation Ejector Based onFuzzy Evaluation Method[J]. Acta Armamentarii, 2014, 35(8): 1295-1300.

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Research on Maintenance Scheme of a Trans-supersonic Wind Tunnel Augmentation Ejector Based onFuzzy Evaluation Method

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