Cessation of oscillations in a chemo-mechanical oscillator

Richa Phogat (), Ishant Tiwari, Pawan Kumar, Marco Rivera and Punit Parmananda
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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

The European Physical Journal B: Condensed Matter and Complex Systems, 2018, vol. 91, issue 6, 1-7

Abstract: 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.

Keywords: Statistical; and; Nonlinear; Physics (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1140/epjb/e2018-80625-8

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