Figure 10.

Dynamics of the translation components $(p_1,p_2)$ of the fractional-order system (15): (a) Self-excited chaotic attractor ($q=0.93$, $a=-1$) with an asymptotic growth rate $K=0.9988$; (b) hidden chaotic attractor ($q=0.97$, $a=0.35$), with $K=0.9985$.