Over-flight and standoff tracking of a ground target with a fixed-wing unmanned aerial vehicle based on a unified sliding mode guidance law

Abstract

Target tracking of ground targets is a significant application of unmanned aerial vehicles (UAVs) in civil and military fields. There are two common modes for target tracking: over-flight tracking and standoff tracking. Each tracking method has a wide application prospect. However, many researchers have studied these two tracking methods separately and designed different guidance laws, which is not conducive to practical application. In this paper, a new guidance law based on sliding mode guidance (SMG) is proposed for tracking a stationary target, which is compatible with the two tracking modes. The stability and finite-time convergence of the guidance law are proved. Then, the guidance is extended to tracking a moving target. The numerical simulations are carried out for the tracking problems of ground targets, and the results verify the effectiveness of the proposed guidance law.

End-to-end active non-cooperative target tracking of free-floating space manipulators

“…This method of target tracking is called active object tracking (AOT) (Li et al, 2020; Luo et al, 2018). However, current research on AOT is mainly focused on mobile robots (Cardenas et al, 2021; Cortés-Pérez and Torres-Méndez, 2021; Deutsch et al, 2005; Luo et al, 2019; Xi et al, 2021) or unmanned vehicles (Chang et al, 2020; Dong et al, 2021; Lin et al, 2022). Due to the widespread usage of space manipulators and the importance of AOT in non-cooperative target relative tasks, this article will investigate the active non-cooperative target tracking of FFSM.…”