Fig. 20
From: Meta-frequency modulation in LQR vibration control with chirp excitation

In (a) main IMF and in (b) corresponding IF associated with the displacement response of the main mass obtained for the LQRlow setting.
From: Meta-frequency modulation in LQR vibration control with chirp excitation

In (a) main IMF and in (b) corresponding IF associated with the displacement response of the main mass obtained for the LQRlow setting.