系统工程与电子技术

• 制导、导航与控制 • 上一篇    下一篇

基于能量构型的一种有效的地形回避算法

杨大林, 徐波 高有涛   

  1. (1. 南京航空航天大学航天学院, 江苏 南京 210016; 2. 南京大学天文与空间科学技术学院, 江苏 南京 210093)
  • 出版日期:2014-12-08 发布日期:2010-01-03

Effective algorithm for terrain avoidance via energy configuration

YANG Da lin, XU Bo, GAO You tao   

  1. (1. College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; 2. School of Astronomy and Space Science, Nanjing University, Nanjing 210093, China)
  • Online:2014-12-08 Published:2010-01-03

摘要: 基于能量构型的思想提出一种控制算法有效的解决了飞行器飞往目标区域过程中地形回避问题。首先,通过构造抛物线形式的势能函数得到连续有界的控制力使飞行器自主飞往目标区域,再通过叠加高斯形式的势能函数避免飞行器路过威胁区域,同时可以避免群体飞行间发生碰撞。对所提出的控制算法,均通过Lyapunov稳定性理论验证了系统的稳定性。最后通过仿真验证了所提算法的有效性。

Abstract: An effective algorithm based on energy configuration is proposed, which can solve the terrain avoidanceproblem in the process of the unmanned flight vehicles flying to the target area. Firstly, use the hyperboloid potential function via the Lyapunov’s second law to get continuous and bounded control which makes unmanned flight vehicles fly to the target area. Then, both terrain avoidance and collision avoidance are guaranteed by superimposing regions of Gaussian potential function about these regions. For the proposed methodologies, the stability of the closed loop system is both analyzed by the Lyapunov stability theory properly. Finally, the simulation results demonstrate the effectiveness of the proposed algorithm.