Chaos Attractor Compressing and Expanding in Chua Circuit Driven by Direct Current Voltage

Abstract

The dynamics of Chua circuit driven by the direct current voltage is explored experimentally. The increasing direct current voltage (DCV) breaks the centro-symmetry in the Chua circuit, so that the attractor basin of one of the coexisting attractors shrinks with that of the other one expanding. Finally, only the expanding attractor exists with the shrinking one disappear for a critical DCV intensity. Its regimeis presented for the symmetry break caused by the DCV.