摘要
为了在概念设计阶段快速准确地分析民航客机性能,提出一种基于MATLAB/SIMULINK联合仿真的性能分析程序快速开发方法。从数据库文件中读取已有的气动、重量、推进、飞行剖面等数据,在SIMULINK中分别求解已建立的各飞行阶段运动微分方程,将结果保存至原数据库。整个求解及前后处理过程由MATLAB脚本控制。以波音737-800型客机性能分析为例,验证了该方法的有效性。与经验公式法相比,本文算法更为准确,流程更加清晰,不需要编写大量代码,实现与维护更加简便,适用于民机概念设计阶段性能分析程序的快速开发。
To calculate aircraft performance data rapidly and accurately in conceptual design,a rapid method with performance analysis code based on MATLAB / SIMULINK simulation is presented. The method is to read out the existed aero data,mass data,propulsion data and profile data from a database,and then differential equations of motion for each flight segment are constructed and solved respectively in SIMULINK. Finally,the results are saved to the original database. The whole solving process as well as pre- post process is controlled by MATLAB script.The performance analysis of a Boeing 737- 800 civil jet is illustrated to validate the method. Compared to the engineering method,this method is more accurate and straight forward without much code,and easy to implement and maintain. The method is quite appropriate for rapid implementation of performance analysis in civil jet conceptual design.
出处
《民用飞机设计与研究》
2016年第1期28-32,共5页
Civil Aircraft Design & Research
关键词
飞行仿真
性能分析
程序开发
快速
概念设计
flight simulation
performance analysis
code development
rapid
conceptual design
