主动控制压电旋转悬臂梁的参数振动稳定性分析1)
唐冶*,王涛*,丁千*2)()
STABILITY ANALYSIS ON PARAMETRIC VIBRATION OF PIEZOELECTRIC ROTATING CANTILEVER BEAM WITH ACTIVE CONTROL 1)
Tang Ye*,Wang Tao*,Ding Qian*2)()

图3. 梁长对发生 1/2 亚谐波参数共振时临界阻尼比的影响($R =0.05$ m, $\varOmega _{0}=50$ rad/s, $\varOmega_{\rm d}=5$ rad/s)

Fig.3. The effect of beam length on the critical damping ratio of 1/2 sub-harmonic parametric resonance ($R =0.05$ m, $\varOmega _{0}=50$ rad/s, $\varOmega_{\rm d}=5$ rad/s)