模型预测控制算法在飞翼无人机中的应用研究

Application of Model Predictive Control in the Flight Control System of Flying-Wing UAV

中文关键词:  飞翼布局无人机  CFD  气动导数  飞行控制系统  动态矩阵控制算法

英文关键词:flying-wing UAV  CFD  aerodynamic derivatives  flight control system  dynamic matrix control

中文摘要:

      针对某小型无尾飞翼布局无人机，运用CFD方法分析了该无人机的气动特性，计算了气动导数及操纵导数，建立了模型预测控制算法的仿真模型，并运用动态矩阵控制算法设计了飞行控制系统。仿真分析与试飞结果表明，在具有输入输出等约束条件下动态矩阵算法优势明显，具有一定的工程应用价值。

英文摘要:

      For a small tailless flying-wing UAV,the CFD method is used to investigate the aerodynamic characteristics of the UAV and calculate the aerodynamic derivatives and controlling derivatives.A simulation model of model predictive control is established.Utilizing dynamic matrix control algorithm,the autonomous flight control system is designed and analyzed.Simulation and flight test results show that under the constraint conditions with input and output,the dynamic matrix control algorithm has obvious advantages and certain application value for engineering.