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Synchronization of active rotators interacting with environment.

Taegeun Song1, Heetae Kim2, Seung-Woo Son3,4

  • 1Department of Physics, Pohang University of Science and Technology (POSTECH), Pohang 37673, Korea.

Physical Review. E
|March 15, 2020
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Summary
This summary is machine-generated.

This study introduces an autonomous system of active rotators that synchronize via environmental feedback, mimicking biological systems. This bioinspired mechanism offers novel applications in sensing and signal amplification.

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Area of Science:

  • Complex Systems
  • Bio-inspired Engineering
  • Nonlinear Dynamics

Background:

  • Living systems exhibit feedback mechanisms where organs respond to environmental changes to maintain physiological stability.
  • Understanding synchronization in multi-unit systems under fluctuating environments is crucial for developing autonomous systems.

Purpose of the Study:

  • To propose and investigate a simple autonomous system of active rotators demonstrating synchronization through environmental feedback.
  • To elucidate a novel synchronization mechanism distinct from external stimulus entrainment.
  • To explore the dependence of phase synchronization on system-environment interaction strength.

Main Methods:

  • Theoretical analysis of phase synchronization in a system of active rotators interacting with a fluctuating environment.
  • Development and validation of an analog electric circuit model using microelectronic devices.

Main Results:

  • The proposed system demonstrates that feedback via the environment can entrain rotators to achieve synchronous phases under specific conditions.
  • Phase synchronization is shown to be dependent on the interaction strength between the rotators and the environment.
  • Successful experimental validation of the theoretical model using an analog electric circuit.

Conclusions:

  • The bioinspired feedback mechanism provides a novel pathway for achieving synchronization in multi-unit systems.
  • The developed platform serves as a potential sensor for environmental monitoring and a controller for signal amplification through feedback-induced synchronization.