scholarly journals The stochastic resonance control of coupled bistable systems

2008 ◽  
Vol 57 (4) ◽  
pp. 2048
Author(s):  
Lin Min ◽  
Huang Yong-Mei ◽  
Fang Li-Min
Keyword(s):  
Stochastic Resonance ◽  
Bistable Systems ◽  
Resonance Control

The Control of Stochastic Resonance by Harmonic Signal

2011 ◽  
Vol 50-51 ◽  
pp. 559-563 ◽  
Author(s):  
Mei Li Zhang ◽  
Min Lin
Keyword(s):  
Numerical Simulations ◽  
Stochastic Resonance ◽  
Harmonic Signal ◽  
New Method ◽  
Potential Wells ◽  
Bistable Systems ◽  
The Asymmetry ◽  
Resonance Control ◽  
Double Well Potential

The symmetry in a double-well potential of bistable systems subject to the action of a harmonic signal is broken. By variation of the amplitude of a harmonic signal, the asymmetry of bistable systems can be effectively controlled, the transitions probability between the two potential wells is increased and has influence on the effect of stochastic resonance in bistable systems. Numerical simulations show that adjusting the amplitude of a harmonic signal can produce stochastic resonance or make stochastic resonance more intense in bistable systems. It is a new method for stochastic resonance control.

scholarly journals Stochastic resonance in periodically driven bistable systems subjected to anomalous diffusion

2021 ◽  
Vol 3 (4) ◽  
Author(s):  
F. Naha Nzoupe ◽  
Alain M. Dikandé
Keyword(s):  
Stochastic Resonance ◽  
Signal To Noise Ratio ◽  
Planck Equation ◽  
Relevant Information ◽  
Periodic Signal ◽  
Signal To Noise ◽  
Periodically Driven ◽  
Loop Area ◽  
Bistable Systems ◽  
Noise Ratio

AbstractThe occurrence of stochastic resonance in bistable systems undergoing anomalous diffusions, which arise from density-dependent fluctuations, is investigated with an emphasis on the analytical formulation of the problem as well as a possible analytical derivation of key quantifiers of stochastic resonance. The nonlinear Fokker–Planck equation describing the system dynamics, together with the corresponding Ito–Langevin equation, is formulated. In the linear response regime, analytical expressions of the spectral amplification, of the signal-to-noise ratio and of the hysteresis loop area are derived as quantifiers of stochastic resonance. These quantifiers are found to be strongly dependent on the parameters controlling the type of diffusion; in particular, the peak characterizing the signal-to-noise ratio occurs only in close ranges of parameters. Results introduce the relevant information that, taking into consideration the interactions of anomalous diffusive systems with a periodic signal, can provide a better understanding of the physics of stochastic resonance in bistable systems driven by periodic forces.

scholarly journals Stochastic resonance in underdamped, bistable systems

2006 ◽  
Vol 353 (5) ◽  
pp. 364-371 ◽  
Author(s):  
Rajarshi Ray ◽  
Supratim Sengupta
Keyword(s):  
Stochastic Resonance ◽  
Bistable Systems

Stochastic resonance in two coupled bistable systems

1995 ◽  
Vol 197 (5-6) ◽  
pp. 379-386 ◽  
Author(s):  
Alexander Neiman ◽  
Lutz Schimansky-Geier
Keyword(s):  
Stochastic Resonance ◽  
Bistable Systems

scholarly journals Stochastic resonance control based on vibration resonance

2007 ◽  
Vol 56 (11) ◽  
pp. 6173
Author(s):  
Lin Min ◽  
Huang Yong-Mei
Keyword(s):  
Stochastic Resonance ◽  
Resonance Control

Stochastic Resonance in Bistable Systems

1989 ◽  
pp. 275-280
Author(s):  
Larry Fabiny ◽  
Gautam Vemuri ◽  
Rajarshi Roy
Keyword(s):  
Stochastic Resonance ◽  
Bistable Systems

SIGNAL TRANSFER AND STOCHASTIC RESONANCE IN COUPLED NONLINEAR SYSTEMS

1999 ◽  
Vol 09 (06) ◽  
pp. 1159-1167 ◽  
Author(s):  
C. HAUPTMANN ◽  
F. KAISER ◽  
C. EICHWALD
Keyword(s):  
Stochastic Resonance ◽  
Harmonic Signal ◽  
Signal Transfer ◽  
Coherent Noise ◽  
Noise Sources ◽  
Bistable Systems ◽  
Coupled Nonlinear Oscillators ◽  
Initial Stage ◽  
Combined Action ◽  
Influence Of Noise

A model of coupled nonlinear oscillators is discussed, wherein Langevin-type bistable systems are combined with self-sustained oscillators. An external harmonic signal is coupled in a subthreshold manner into the bistable systems at the initial stage of the signal chain. Signal transfer through the oscillators is studied under the influence of noise. Different noise contributions, including spatially-incoherent and spatially-coherent noise sources are considered. Results reveal a stochastic resonance kind of behavior at different stages of the signal transfer, specifically the harmonic signal is transduced through the whole system of coupled oscillators. The combined action of spatially-incoherent and spatially-coherent noise exhibits constructive as well as destructive influences on signal amplification.

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