Analytical Threshold for Chaos of Piecewise Duffing Oscillator with Time-Delayed Displacement Feedback

Figure 7

Local bifurcation diagram of the system at τ = 1.2 and ω = 3.5 (c = 0.5, γ₁ = 30, γ₂ = 20, μ = 0.001, and k₁ = 10).