摘要
本文分析了旋翼与机体之间空气动力学干扰,推导了在过渡状态时旋翼尾迹对机体空气动力学干扰计算的简化方程,建立了一个全量倾转旋翼飞行器飞行力学数学模型,引进遗传算法进行配平计算,并对倾转旋翼飞行器飞行特性进行了简单分析。样例倾转旋翼飞行器在直升机模式时,操纵通道的操纵响应都不稳定,说明单独操纵飞行器某一通道时响应是不稳定的。随着向飞机模式的转换,操纵通道的主操纵响应逐渐稳定。
This paper analyzes the aerodynamic interaction between the rotors and components of rotorcraft,derives the simplified equations for calculating the rotor wake-airframe aerodynamic interaction when tilting the rotors.A full variable tilt-rotor aircraft flight dynamics mathematical model is built.The flight characteristic of tilt-rotor aircraft is briefly analyzed.
出处
《直升机技术》
2008年第2期11-16,共6页
Helicopter Technique
关键词
倾转旋翼
飞行力学
飞行控制
飞行仿真
遗传算法
tilt rotor
flight dynamics
flight control
flight simulation
genetic algorithm
