Stability Analysis of Fixed-Wing UAV Swarms Under Time-Delayed Tracking Control Law

This paper analyzes the stability of trajectory tracking in fixed-wing UAV swarms subject to time-delayed feedback control. A delay-dependent stability criterion is established using a combination of Routh–Hurwitz analysis and a transcendental characteristic equation method. The study identifies a c...

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Bibliographic Details
Published inAxioms Vol. 14; no. 7; p. 519
Main Authors Bordei, Ana-Maria, Halanay, Andrei
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 06.07.2025
Subjects
Aerodynamics
Communication
control
Control theory
Coordinate transformations
Delay
delay differential equations
Eigenvalues
Eigenvectors
Equilibrium
Feedback control
Fixed wings
Laws, regulations and rules
Numerical analysis
Simulation methods
Stability analysis
Stability criteria
System dynamics
Systems stability
Tracking control
UAV
Unmanned aerial vehicles
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ISSN2075-1680
2075-1680
DOI10.3390/axioms14070519

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Summary:This paper analyzes the stability of trajectory tracking in fixed-wing UAV swarms subject to time-delayed feedback control. A delay-dependent stability criterion is established using a combination of Routh–Hurwitz analysis and a transcendental characteristic equation method. The study identifies a critical delay threshold beyond which the tracking objective becomes unstable. The influence of delayed feedback on the system dynamics is analyzed, showing how time delays affect the swarm’s ability to maintain formation. Numerical simulations confirm the theoretical predictions and illustrate the loss of stability as the delay increases. The findings underline the importance of accounting for delays when evaluating control performance in UAV swarm coordination.
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content type line 14
ISSN:2075-1680
2075-1680
DOI:10.3390/axioms14070519