Design and Analysis of a Novel Quasi-Zero Stiffness Isolator under Variable Loads

Figure 9

Amplitude spectrum and phase trajectory diagram of the isolation system response. (a, b) When Ω₁ = 0.1; (c, d) when Ω₂ = 0.4; (e, f) when Ω₃ = 0.8; and (g, h) when Ω₄ = 2.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)