Stabilization of a Network of the FitzHugh–Nagumo Oscillators by Means of a Single Capacitor Based RC Filter Feedback Technique

Figure 3

Waveforms from (5). (a) Mean-field variable of the synchronized array, (b) dynamical variable of the first oscillator, (c) mean-field variable of the unsynchronized (uncoupled) array, and (d) control term . , , , , and , where , , , and . Control is switched on at ; in (a), (b), and (d) in the coupling term is replaced with z; in (c) the whole control term is applied.

(a)

(b)

(c)

(d)