Comment on "Hyperchaos in constrained Hamiltonian system and its control" by J. Li, H. Wu and F. Mei

被引：4
|
作者：
Szuminski, Wojciech [1 ]
Przybylska, Maria [1 ]
Maciejewski, Andrzej J. [2 ]
机构：
[1] Univ Zielona Gora, Inst Phys, Licealna 9, PL-65407 Zielona Gora, Poland
[2] Univ Zielona Gora, Janusz Gil Inst Astron, Licealna 9, PL-65417 Zielona Gora, Poland
来源：
NONLINEAR DYNAMICS | 2020年 / 101卷 / 01期
关键词：
Chaotic and hyperchaotic Hamiltonian systems; Lyapunov exponents; Bifurcation diagrams; COMPUTING LYAPUNOV EXPONENTS; TIME-REVERSAL SYMMETRY; DYNAMICAL-SYSTEMS;
D O I：
10.1007/s11071-020-05726-z
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The aim of this comment is to show that discovery of hyperchaos in three systems investigated in Li et al. (Nonlinear Dyn 94(3):1703-1720, 2018) is not correct. It is justified both theoretically and numerically. Corrected calculations of Lyapunov exponents and corresponding bifurcation diagram are given. Examples of hyperchaotic Hamiltonian multiple pendulum systems are presented.
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页码：639 / 654
页数：16
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