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Cessation of oscillations in a chemo-mechanical oscillator

Author

Listed:
  • Richa Phogat

    (Indian Institute of Technology, Bombay)

  • Ishant Tiwari

    (Indian Institute of Technology, Bombay)

  • Pawan Kumar

    (Indian Institute of Technology, Bombay)

  • Marco Rivera

    (Centro de Investigación en Ciencias – (IICBA), UAEM)

  • Punit Parmananda

    (Indian Institute of Technology, Bombay)

Abstract

In this paper, different methods for cessation of oscillations in a chemo-mechanical oscillator [mercury beating heart (MBH)] are presented. The first set of experiments were carried out on a single MBH oscillator. To achieve cessation of oscillations, two protocols, namely, inverted feedback and delayed feedback were employed. In the second set of experiments, two quasi-identical MBH oscillators are considered. They are first synchronized via a bidirectional attractive coupling. These two synchronized oscillators are thereafter coupled with a unidirectional repulsive coupling and the system dynamics were observed. Subsequently, in the next protocol, the effect of a unidirectional delay coupling on the two synchronized oscillators was explored. The cessation of oscillations in all the above experimental setups was observed as the feedback/coupling was switched on at a suitable strength. Oscillatory dynamics of the system were restored when the feedback/coupling was switched off.

Suggested Citation

  • Richa Phogat & Ishant Tiwari & Pawan Kumar & Marco Rivera & Punit Parmananda, 2018. "Cessation of oscillations in a chemo-mechanical oscillator," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 91(6), pages 1-7, June.
    • Handle: RePEc:spr:eurphb:v:91:y:2018:i:6:d:10.1140_epjb_e2018-80625-8
    DOI: 10.1140/epjb/e2018-80625-8
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    Statistical and Nonlinear Physics;

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