高精度、全局优化的无人机Bingo航迹导航系统

Bingo Profile Navigation System of UAV with High Precision and Global Optimization

Bingo航迹导航系统是保证飞机返航安全的重要组件,大型无人机对于Bingo航迹导航系统在高续航能力、高精度计算等方面提出了更高的需求;根据大型无人机特点,设计了一种高精度、全局优化的Bingo航迹导航系统;嵌入地面控制站内,解决了Bingo航迹导航系统受机上计算机计算能力制约的问题;采用完整的无人机气动力和发动机模型,使计算具有更高精度;采用庞特里亚金方法进行整个剖面寻优以获得全局优化结果;在系统测试中,通过比较实际试飞与Bingo航迹导航系统计算结果,验证该系统的有效性,测试结果表明,采用该系统进行Bingo航迹导航计算,对飞机返航所需油量计算精度高,并对无人机操作员及时提示,且系统的稳定性较好。

Bingo profile navigation system is an important component to ensure the safety of aircraft return.Large UAV puts forward higher requirements for Bingo profile navigation in the aspects to the characteristics of long endurance and high precision calculation.According to the characteristics of large UAV,a Bingo profile navigation system with high precision and global optimization is designed.Embedded in the ground control station solves the problem that the Bingo profile navigation system is constrained by the computing power of the computer on the aircraft.The system uses a complete UAV aerodynamic and engine model to make the calculation more accurate.Pontryagin minimum principle is used to obtain the global optimization results.In the system test,the validity of the system is verified by comparing the actual flight test results with the results of the Bingo profile navigation system.The test results show that the system can be used for the Bingo profile navigation calculation with high accuracy in calculating the amount of fuel required for the return flight of the aircraft.The UAV operator is prompted in time,and the system is stable.