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

Figure 12

Local bifurcation diagram of the system at ω = 3.9 and τ = 0.8 (c = 0.5, γ₁ = 30, γ₂ = 20, μ = 0.001, and k₁ = 10).