Abstract

The effect of an external sinusoidal signal on the familiar Chua's piecewise-linear autonomous circuit is experimentally investigated. Under the influence of such a periodic excitation an immense variety of bifurcation phenomena like period doubling, period adding, quasiperiodicity, and intermittency has been observed. Also, equal periodic bifurcation, hysteresis, and coexistence of multiple attractors are reported. A two-parameter (drive amplitude–drive frequency) bifurcation diagram is constructed, which classifies the observed rich bifurcation sequences and chaotic structures.

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