某型固定翼飞机飞行性能模型构建与分析

摘要

论文针对某型固定翼飞机,深入研究飞机飞行性能建模仿真问题.分析飞机空中所受力与力矩,着重考虑飞机燃油质量变化以及发动机安装角对飞行实时仿真的影响.建模时,加入大气环境仿真模型,建立了有风条件下的飞机飞行性能仿真模型.最后,基于Matlab仿真环境完成仿真实验,通过与飞行实测数据比较分析,验证模型的准确性.从仿真结果分析,论文所建立的模型能够准确体现飞机性能,从而验证了仿真模型的准确性和有效性,具有一定的参考价值.%In this paper,a certain type of fixed wing aircraft,in-depth study of aircraft flight performance modeling and simu-lation.This paper analyzes the force and moment in the air,and focuses on the influence of the change of the fuel quality and the in-stallation angle of the engine on the flight real-time simulation.In the modeling,the simulation model of air environment is estab-lished,and the simulation model of aircraft flight performance is established.Finally,based on the Matlab simulation environment, the simulation experiment is carried out,and the accuracy of the model is verified by comparing with the measured data.The simula-tion results show that the model established in this paper can accurately reflect the performance of the aircraft,which verifies the ac-curacy and effectiveness of the simulation model.