基于Dubins路径的空中加油自主会合制导与控制  

Guidance and control of autonomous rendezvous in aerial refueling based on Dubins path planning

作　　者：龚全铨 袁锁中[1] 张进[1] 

机构地区：[1]南京航空航天大学自动化学院,江苏南京211106

出　　处：《哈尔滨工程大学学报》2016年第8期1081-1088,共8页Journal of Harbin Engineering University

基　　金：国家自然科学基金项目(61273050);航空科学基金项目(20121352026)

摘　　要：针对空中加油过程中,受油机需要在最短时间内与加油机完成会合的情况,设计了一种基于Dubins路径的航路规划方法。该方法利用Dubins路径的原理,结合受油机的飞行性能和最小转弯半径等因素,计算出一条最短的会合轨迹,并给出轨迹上的预计转弯点和预计会合点作为受油机的目标路径点,这样提高了飞行效率减小会合时间。采用比例制导方法设计了受油机的制导指令,并采用基于RBF神经网络的backstepping方法设计了受油机非线性控制律。以受油机主动会合为例进行了仿真,结果表明该方法能够引导受油机实现与加油机的会合,且路径时间最短。In the course of aerial refueling, the receiver must rendezvous with the tanker in a short time period. In this study, we designed a path planning method based on the Dubins path to solve this problem. Combining the fac-tors of the receiver’ s flight performance and the minimum turn radius, we calculated the shortest path and genera-ted two guidance points for the receiver—the predicted turn point and the predicted intercept point—thereby in-creasing the flying efficiency and reducing the rendezvous time. We used the proportional navigation （ PN） guidance law to generate the guidance command for the receiver. We designed the control law of the nonlinear model of the receiver using the backstepping method based on the radial basis function （ RBF） neural network. Our nonlinear numerical simulation results demonstrate that the control law is able to guide the receiver to rendezvous with the tanker using the shortest path.

关 键 词：空中加油 Dubins路径 比例制导 自主会合 不确定性 RBF神经网络 BACKSTEPPING控制 

分 类 号：V249[航空宇航科学与技术—飞行器设计]