Complex dynamics analysis of impulsively coupled Duffing oscillators with ring structure*
Jiang Hai-Boa)†, Zhang Li-Pinga), Yu Jian-Jiangb)
       
Hyper-chaotic attractor for system ( 3 ) at a = 0.1, d = 0.3 and h = 0.825. (a) Stroboscopic map; (b) phase portrait.