International Conference on Computer Simulation in Physics and Beyond 2015 | |
Coherence of Noisy Oscillators with Delayed Feedback Inducing Multistability | |
物理学;计算机科学 | |
Pimenova, Anastasiya V.^1 ; Goldobin, Denis S.^1,2,3 | |
Institute of Continuous Media Mechanics, UB RAS, Perm | |
614013, Russia^1 | |
Department of Theoretical Physics, Perm State University, Perm | |
614990, Russia^2 | |
Department of Mathematics, University of Leicester, Leicester | |
LE1 7RH, United Kingdom^3 | |
关键词: Delayed feedback; Delayed feedback control; Instantaneous frequency; Multi stabilities; Noisy oscillators; Oscillation frequency; Phase diffusions; Self-sustained oscillators; | |
Others : https://iopscience.iop.org/article/10.1088/1742-6596/681/1/012045/pdf DOI : 10.1088/1742-6596/681/1/012045 |
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学科分类:计算机科学(综合) | |
来源: IOP | |
【 摘 要 】
For self-sustained oscillators subject to noise the coherence, understood as a constancy of the instantaneous oscillation frequency, is one of the primary characteristics. The delayed feedback has been previously revealed to be an efficient tool for controlling coherence of noise-driven self-sustained oscillator. The effect of the delayed feedback control on coherence is stronger for a longer delay time. Meanwhile, the instantaneous frequency of a noise-free oscillator can exhibit multistability for long delay time. The impact of the delay-feedback- induced multistability on the oscillation coherence, measured by the phase diffusion constant, of a noisy oscillator is studied in this work both numerically and analytically.
【 预 览 】
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Coherence of Noisy Oscillators with Delayed Feedback Inducing Multistability | 870KB | download |