ACTA AERONAUTICAET ASTRONAUTICA SINICA >
An Aircraft Economic Evaluation Model for Level of Repair Analysis
Received date: 2012-03-05
Revised date: 2012-04-05
Online published: 2013-01-19
Supported by
Aeronautical Science Foundation of China (2008ZA53006,2006ZD53050)
Level of repair analysis (LORA) plays a significant role in the supportability analysis of aircraft. In view of the fact that the existing economic evaluation model for LORA is not suitable for aircraft maintenance and the complexity of decision making, a concept of LORA decision flow is raised. Then a general multi-echelon-multi-indenture mathematical model for economic evaluation based on the LORA decision flow is presented. In addition, taking into consideration the maintenance characteristics of an aircraft, an LORA economic analysis model suitable for aircraft is built with different constraint conditions. On the basis of the study above, the model is solved by using the CPLEX optimization algorithm bag to minimize maintenance cost. Finally, the LORA analysis model is proved to be valid by a comparison of numerical examples.
XUE Tao , FENG Yunwen , XUE Xiaofeng , FENG Yuansheng . An Aircraft Economic Evaluation Model for Level of Repair Analysis[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2013 , 34(1) : 97 -103 . DOI: 10.7527/S1000-6893.2013.0012
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