Distributed observer-based cooperative guidance with appointed impact time and collision avoidance. Issue 14 (September 2021)

• Record Type: Journal Article
• Authors: Li, Guofei; Lü, Jinhu; Zhu, Guoliang; Liu, Kexin
• Is Part Of: Journal of the Franklin Institute. Volume 358:Issue 14(2021)
• Page Start: 6976
• Page End: 6993
• Publication Date: 2021-09
• Subjects: Science -- Periodicals; Technology -- Periodicals; Patents -- United States -- Periodicals; 505
• DOI: 10.1016/j.jfranklin.2021.06.030
• Languages: English
• ISSNs: 0016-0032

Abstract

Abstract: The problem of cooperative guidance is considered with appointed impact time and collision avoidance for the leader-following flight vehicles, which consist of one leader with the target seeker and the other seeker-less followers. A fixed-time convergent guidance law is presented for the leader to achieve appointed impact time. To guarantee the simultaneous arrival of all the flight vehicles, a cooperative guidance law is proposed to make the follower-leader ranges keep proportional consensus with the range-to-go of leader. A distributed observer is put forward for the followers to estimate the range-to-go of leader. Moreover, the collision avoidance can be reliably fulfilled by the collaborative action of the direction-based and distance-based means.