A New Circumscribed Self-Excited Spherical Strange Attractor

Figure 5

The 3D strange attractor of system (1) in Cartesian coordinates along with its connecting curves, which are shown in green, considering variable as the phase space coordinate. The two unstable equilibria of system (1), i.e., and are represented in magenta color. Connecting curves of the system connect the equilibria of the system and approximately define how trajectory changes.