期刊
ISA TRANSACTIONS
卷 119, 期 -, 页码 118-134出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.isatra.2021.02.043
关键词
Standoff tracking; Coordinated turning; Flight guidance; Unmanned aerial vehicle
资金
- National Natural Science Foundation of China [61573286]
- Fundamental Research Funds for the Central Universities, PR China [3102019ZDHKY07]
A new guidance law based on a coordinated turning equation is proposed for target tracking, with proven asymptotic stability and improved capability to track moving ground objects with time-varying states. Linear analysis aids in selecting control parameters, and numerical simulations show faster convergence speed and higher precision compared to existing methods. Hardware-in-the-loop (HIL) simulations verify the effectiveness and robustness of the guidance law in various scenarios.
Target tracking is a typical application of unmanned aerial vehicles(UAVs). However, it is difficult for the existing guidance laws to meet the requirements of convergence speed and tracking accuracy at the same time. A new guidance law based on a coordinated turning equation is proposed to achieve target tracking, and its asymptotic stability is proved. Linear analysis is provided to help select the control parameters. This guidance law is improved to track the moving ground object with time-varying states. Compared with existing methods through numerical simulations, the proposed guidance law offers a faster convergence speed and a higher level of precision. The effectiveness and robustness of the guidance law in different situations are verified by hardware-in-the-loop (HIL) simulations. (C) 2021 ISA. Published by Elsevier Ltd. All rights reserved.
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