A new four-dimensional hyperjerk system with stable equilibrium point, circuit implementation, and its synchronization by using an adaptive integrator backstepping control
Singh J P1, †, Pham V T2, Hayat T3, 4, Jafari S5, Alsaadi F E6, Roy B K1
       

(color online) (a1) and (a2) Chaotic attractor with a = 2.73, b = 1.43, c = 2.18, d = 6.11, f = 2.65, and g = 1.74, (b1) and (b2) periodic attractors a = 2.61, b = 1.43, c = 2.18, d = 6.11, f = 2.65, and g = 1.74, and (c1) and (c2) stable behavior with a = 2.73, b = 1.43, c = 2.28, d = 6.11, f = 2.65, and g = 1.74 of system (2).