期刊
CHAOS SOLITONS & FRACTALS
卷 162, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2022.112483
关键词
Delay; Delay; Fractional derivative; Stability; Chaos
资金
- University of Hyderabad for Institute of Eminence-Professional Development Fund (IoE-PDF) by MHRD [F11/9/2019-U3(A)]
- University Grants Commission [F. 82-44/2020(SA-III)]
This study focuses on the stability analysis of a fractional order delay differential equation and provides linearized stability conditions. The stable region sketch in the q delta-plane is provided for any positive epsilon and p. Additionally, chaos in the proposed model is investigated for a wide range of delay parameter.
Fractional derivative and delay are important tools in modeling memory properties in the natural system. This work deals with the stability analysis of a fractional order delay differential equation D(alpha)x(t) = delta x(t - tau) - epsilon x(t -tau)(3) -px(t)(2) + qx(t). We provide linearization of this system in a neighborhood of equilibrium points and propose linearized stability conditions. To discuss the stability of equilibrium points, we propose various conditions on the parameters delta, epsilon, p, q and tau. Even though there are five parameters involved in the system, we are able to provide the stable region sketch in the q delta-plane for any positive epsilon and p. This provides the complete analysis of stability of the system. Further, we investigate chaos in the proposed model. This system exhibits chaos for a wide range of delay parameter.
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