Controllers for Attenuation of Lateral Rotor Vibration Part I: Controller Design

Abstract

Active Vibration Control has proven to be a good opportunity for attenuation of lateral vibration of rotating shafts in literature. Besides the choice of suitable sensors and actuators, the controller itself has a particularly strong influence on the performance of an Active Vibration Control system since it generates the control signal from sensor signals. There are numerous controller types available for the purpose of active vibration control. These controllers include simple feedback approaches but also more sophisticated model based feedback and feedforward approaches. In this part I of a two-part article three feedback controllers from different fields of research and a feedforward controller are designed for active control of lateral synchronous vibration of a rotor test rig. In particular, PDT1- Control, H∞-Optimal Control, LQG-Control and feedforward control using the FxLMS algorithm are introduced.