Journal
ENTROPY
Volume 16, Issue 12, Pages 6464-6476Publisher
MDPI
DOI: 10.3390/e16126464
Keywords
coexisting bifurcation mode; Chua's circuit; memristive diode bridge; dynamical characteristics
Categories
Funding
- National Natural Science Foundation of China [51277107]
- Natural Science Foundation of Jiangsu Province, China [BK2012583]
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A novel memristor circuit is presented, which is generated from the canonical Chua's circuit by replacing the Chua's diode with a first order memristive diode bridge. The circuit dynamical characteristics with the variations of circuit parameters are investigated both theoretically and numerically. It can be found that the circuit has three determined equilibrium points, including a zero saddle point and two nonzero saddle-foci with index 2. Specially, the circuit is non-dissipative in the neighborhood of the zero saddle point, and there exists complex nonlinear phenomena of coexisting bifurcation modes and coexisting chaotic attractors. Experimental observations are performed to verify the numerical simulation results.
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