Three-Dimensional Prescribed-Time Pinning Group Cooperative Guidance Law

In order to overcome the drawbacks of the convergence time boundary dependent on tuning parameters in existing finite/fixed-time cooperative guidance law, this paper presents a three-dimensional prescribed-time pinning group cooperative guidance scheme that ensures multiple unpowered missiles to int...

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Bibliographic Details
Published in:International journal of aerospace engineering 2021, Vol.2021, p.1-19
Main Authors: Ma, Wenhui, Liang, Xiaogeng, Fang, Yangwang, Deng, Tianbo, Fu, Wenxing
Format: Article
Language:English
Subjects:
Aerospace engineering
Communication
Communications networks
Convergence
Cooperation
Design parameters
Guidance (motion)
Initial conditions
Missiles
Pinning
Time dependence
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Summary:In order to overcome the drawbacks of the convergence time boundary dependent on tuning parameters in existing finite/fixed-time cooperative guidance law, this paper presents a three-dimensional prescribed-time pinning group cooperative guidance scheme that ensures multiple unpowered missiles to intercept multiple stationary targets. Firstly, combining a prescribed-time scaling function with pinning group consensus theory, the prescribed-time consensus-based cooperative guidance law is proposed. Secondly, the prescribed-time convergence of the proposed pinning group consensus-based cooperative guidance law proves that the convergence can be achieved at a specified time, regardless of initial conditions and parameters. Furthermore, the design steps including two stages of the proposed guidance law are given for engineering application. Extensive simulations are carried out in three cases to verify the properties. Simulation results show the effectiveness and superiority of the proposed prescribed-time consensus-based cooperative guidance scheme.
ISSN:1687-5966
1687-5974
DOI:10.1155/2021/4490211