基于灰色关联投影法的军用运输机设计方案评选

为满足军用运输机设计方案的评选需要,提出了一种基于灰色关联投影法的设计方案评选方法.分析了运输机的任务能力、短距起落能力、可用性、生存性、经济可承受性、研制风险和舒适性等指标,运用灰色关联投影法建立6种设计方案对评价指标集的加权灰色关联判断矩阵,然后利用矢量投影原理计算了各设计方案相对理想方案的灰色关联投影值,根据灰色关联投影值评价设计方案的优劣.评估结果表明,该方法可用于军用运输机设计方案评选,相比其它方法有更好的实用性.

Evaluation for Military Transport Aircraft Design Scheme Based on Grey Relation Projection

In order to meet the requirement of military transport aircraft design scheme, this paper introduces an evaluation method of the military transport aircraft design scheme based on the grey relation projection. Evaluation indexes of military transport design scheme such as the mission capability, the capability of stone''s throw rise and fall, availability, survivability, affordability, risk and comfort are analyzed. Then the six military transport aircraft design schemes are evaluated by the grey relation projection method. With this method, a weighed grey relation matrix of each military transport aircraft design scheme is built and the grey correlation projection values of the design schemes comparatively to the perfect scheme are calculated according to the vector projection theory. The grey relation projection values can be used for evaluation of the schemes. The result calculated shows that the grey relation projection method is feasible in application to military transport aircraft design scheme evaluation.