Journal
NONLINEAR DYNAMICS
Volume 95, Issue 2, Pages 1245-1256Publisher
SPRINGER
DOI: 10.1007/s11071-018-4626-y
Keywords
Conditional symmetry; Homogenous multistability; Attractor; Offset boosting
Categories
Funding
- National Nature Science Foundation of China [61871230]
- Natural Science Foundation of Jiangsu Province [BK20181410]
- Startup Foundation for Introducing Talent of NUIST [2016205]
- Priority Academic Program Development of the Jiangsu Higher Education Institutions
- National Natural Science Foundation of China [11561069]
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Coexisting attractors with conditional symmetry exist in separated asymmetric basins of attraction with identical Lyapunov exponents. It is found that when a periodic function is introduced into the offset-boostable variable, infinitely many coexisting attractors may be coined. More interestingly, such coexisting attractors may be hinged together and then grow in the phase space as the time evolves without any change of the Lyapunov exponents. It is shown that, in such cases, an initial condition can be applied for selecting the starting position; consequently, the system will present a special regime of homogenous multistability. Circuit implementation based on STM32 verifies the numerical simulations and theoretical analysis.
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