计算机辅助飞机重量工程(CAWE)系统

THE COMPUTER AIDED WEIGHT ENGINEERING OF AIRCRAFT——(CAWE)SYSTEM

1.前言 飞机重量工程是处理飞机设计中有关重量问题的工程方法。一般包括飞机总重的估算;重量系数灵敏度分析;飞机各部件重量估算;各部件重心估算;飞机重心定位;飞机重心调整。这些问题在飞机设计过程中是很重要的,一般说来问题比较复杂,计算工作量很大,经验性强。如果采用飞机设计计算机辅助设计技术,将使设计师能够迅速、准确。

This paper discusses the technical requirements of the computer aided aircraft weight engineering software system.The principle for solving the aircraft weight engineering is recommended.In this paper, a CAWE system developed on IBM-PC is presented. This system can solve the weight engineering problems in conceptual aircraft design stage. It is capable of copying with aircraft layout, weight prediction, adjustment of centre of gravity, etc. Usually, two or three iterations are required for e.g.definition, which costs less than 30 seconds. It has greatly increased the efficiency of aircraft design.CAWE system was programmed with BASIC language and can run on IBM-PC and other compatible computers.