分布估计算法在飞翼飞行器控制分配中的应用

Application of Estimation of Distribution Algorithms in Control Allocation for Fly-Wing Aircrafts

摘要:

针对飞翼飞行器多操纵面气动布局的结构特点与当前控制分配方法中存在的不足,提出了以多操纵面协调控制的综合效果尽量接近期望单操纵面控制的效果为优化目标,得到了多操纵面控制分配的连续多变量目标函数,并给出基于分布估计算法的控制分配求解策略,完成了飞翼飞行器多操纵面的优化分配。仿真结果验证了该方法的有效性。

Abstract:

Aiming at the layout feature of fly-wing aircrafts with multiple-control surfaces and defects of the current control allocation methods, an optimization index was proposed for describing the deflection between the composite effect of multiple-control surfaces and the control effect of the desired single-control surface, and a continuous multivariable cost function was obtained for allocation of multiple-control surfaces. Then a solving strategy based on the estimation of distribution algorithms was given and the optimized allocation for multiple-control surfaces of fly-wing aircrafts was accomplished. Simulation results showed the validity of the proposed approach.