弹性飞机模型降阶软件设计

针对弹性飞机模型降阶问题,对几种适合弹性飞机模型降阶的方法进行了研究,采用Matlab的GUI技术开发了模型降阶软件.该软件以交互式界面实现Matlab环境下的模型自动降阶,可供不同的弹性飞机模型选择适用的降阶方法,并可以根据降阶效果修改降价阶次.以一个高阶弹性飞机模型为例,进行模型降阶软件的仿真应用与分析,演示了交互式界面软件使用方便、简单易学的特点,使得对弹性飞机模型降阶的设计与仿真更加方便、直观,大大缩短了设计周期,具有一定的工程意义.

Design of the Model Reduction Software for Flexible Aircraft

Aiming at the issue of flexible aircraft model reduction,several model reduction methods for elastic aircraft are investigated,and an interactive-interface order-reduction software with GUI technique of the Matlab platform is developed.This software implements automatic model reduction of high-order models in Matlab environment,and is able to select appropriate order-reduction methods for different flexible aircraft models and revise the expected model order according to the order-reduction results.With a specific example of high order elastic aircraft,the application and analysis procedure of this software is demonstrated,and the interactive interface properties of easiness to use and learn are presented.These characteristics can not only make the order-reduction design and simulation of flexible aircraft more convenient and intuitional,but also greatly shorten the design cycle,which has certain engineering significance.