基于可拓学的大型复杂航空飞行器效费权衡研究

Research on Balance of Effective-Cost of Large-Complexity Aircraft Based on Method of Extenics

大型复杂航空飞行器的研制生产与应用涉及大量随机因素和模糊因素,客观权衡效能和费用成为其全寿命周期管理的核心问题。研究效费权衡分析主要方法的适用条件,提出可拓学理论及方法并从总体架构、物元模型和应用过程三方面研究大型复杂航空飞行器效费权衡分析中的适用性;以某复杂航空飞行器为例,构建效能和费用测度指标体系,检验可拓学及物元法的可行性。结果表明:飞行器效费权衡方案受其固有能力、人工成本和材料成本的制约,多重约束下可拓学的优度评价得出了复杂飞行器效费权衡的最优方案。

A large number of random and fuzzy factors are involved in the process of development,production and application of large complex aircraft.Seeking for balance between efficiency and cost objectively has become the core issue of life cycle management for large and complex aircraft.The applicability of the theory and method of extenics in the effective-cost equilibrium analysis on large-complex aircraft is proposed,including the overall architecture,matter-element model and application process.Aiming to test the feasibility of extenics and matter element method,an example of a complex aircraft model is introduced and the index system of efficiency and cost measurement is constructed.Through example analysis,it shows that the aircraft cost effectiveness trade off scheme is constrained by its inherent capability,labor cost and material cost.The optimal scheme for weighing the efficiency and cost of complex aircraft is obtained by evaluating the optimality of extenics under multiple constraints.