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

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...

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Bibliographic Details
Published in:Transactions of the Institute of Measurement and Control 2022-01, Vol.44 (2), p.410-423
Main Authors: Lin, Chuanjian, Shi, Jingping, Lyu, Yongxi, Wang, Yueping
Format: Article
Language:English
Subjects:
Guidance (motion)
Moving targets
Sliding mode control
Tracking
Unmanned aerial vehicles
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Summary: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.
ISSN:0142-3312
1477-0369
DOI:10.1177/01423312211037618