Heteroclinic Bifurcation Behaviors of a Duffing Oscillator with Delayed Feedback

Figure 2

(a) Bifurcation diagram for Type 1

(b) The system response at for Type 1. (b1) Time history; (b2) phase portrait; (b3) Poincare maps

(c) The system response at for Type 1. (c1) Time history; (c2) phase portrait; (c3) Poincare maps

(d) The system response at for Type 1. (d1) Time history; (d2) phase portrait; (d3) Poincare maps