The paper presents a resonant control technique called Negative Derivative Feedback (NDF), suitable for vibration suppression in mechanical flexible structures. Resonant controllers calculate the control action through a feedback compensator. For NDF this compensator works as a band-pass filter, allowing to reduce some problems typically arising with resonant controllers like, for example control spillover. The proposed control logic is compared with different state of the art resonant controllers, such as Independent Modal Space Control, Positive Position Feedback and Active Modal Tuned Mass Damper, showing better performances both theoretically and experimentally.

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