Bifurcation Control of a Delayed Predator–Prey System

In this paper, a delayed fractional-order predator–prey model with strong Allee effect and disease is studied. First, existence, uniqueness, non-negativity and the stability of the equilibrium points are discussed. The Hopf bifurcation condition with time delay as bifurcation parameter is given. Second, a delayed impulsive feedback controller is designed to control successfully the Hopf bifurcation. Finally, numerical simulations show that the disease can improve effectively the stability of the population under the Allee effect.

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Publication Details

Journal
International Journal of Bifurcation and Chaos
Published
2026-04-17
DOI
https://doi.org/10.1142/s0218127426501300
Primary Topic
Mathematical and Theoretical Epidemiology and Ecology Models
Type
article
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article

Bifurcation Control of a Delayed Predator–Prey System

Longhui Hu
International Journal of Bifurcation and Chaos
Mathematical and Theoretical Epidemiology and Ecology Models
article

Bifurcation Control of a Delayed Predator–Prey System

Longhui Hu
article en

Abstract

In this paper, a delayed fractional-order predator–prey model with strong Allee effect and disease is studied. First, existence, uniqueness, non-negativity and the stability of the equilibrium points are discussed. The Hopf bifurcation condition with time delay as bifurcation parameter is given. Second, a delayed impulsive feedback controller is designed to control successfully the Hopf bifurcation. Finally, numerical simulations show that the disease can improve effectively the stability of the population under the Allee effect.

International Journal of Bifurcation and Chaos
Sichuan University of Science and Engineering (CN)
Openalex Percentile: Top 9%
Mathematical and Theoretical Epidemiology and Ecology Models
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