新一代歼击机建模及仿真研究

• 作 者: 陈龙胜 蒋阳
• 机 构: 南昌航空大学,
• 出 处: 南昌航空大学学报(自然科学版)
• 发表日期: 2011年03期
• 关键词: 新一代歼击机 非线性建模 仿真研究 new generation flight nonlinearity modeling simulation studi

针对新一代歼击机气动外形与传统歼击机的不同及其模型具有非线性、强耦合、不确定性等特点,基于Matlab插值函数和S函数,分别计算和建立新一代歼击机的气动参数及六自由度十二状态微分方程,并利用Trim函数进行飞机配平研究。最后利用非线性动态逆法设计的控制律进行飞行仿真实验,仿真结果表明,所建立的模型和获取的平衡状态可用于新一代歼击机的控制器设计和仿真研究。

Aiming at the difference between the aerodynamic shape of a new generation of fighter plane and the traditional fighter plane and its model with nonlinear, strong coupling and uncertainty, based on the Matlab interpolation function and S function, the aerodynamic parameters and six degrees of freedom Two state differential equations, and use Trim function for aircraft trim research. At last, the flight control simulation of the nonlinear dynamic inverse method is used to simulate the flight. The simulation results show that the established model and the obtained equilibrium state can be used in the design and simulation of a new generation of fighter controller.