The Optimization of Civil Aircraft Conceptual Parameters Based on Life-cycle Cost

This paper obtained the life-circle cost calculating model for the civil aircraft,and based on this model,proposed the optimization method for the civil aircraft conceptual parameters.Furthermore,to implement the method,it developed the genetic algorithm optimization program on the MATLAB platform.To examine the effectiveness of this method,this paper presented the estimation formula of the relative business aircraft conceptual parameters by regression analysis on the basis of analyzing and processing of historical data,and implemented the calculation of this aircraft.The results show that the optimization method is feasible,and the results are of practical significance,which can provide reference for the selection of the aircraft conceptual design parameters.