AMB System for Rotordynamic Experiments: Calibration Results and Control

An AMB system designed especially for rotordynamic experiments has been developed. It allows selective sinusoidal excitation of forward and backward modes of the f ree rotating rotor, as well as the simulation of unbalance fo rces. A main requirement is precise force measurement. This has been achieved using flUX measurement by means of Hall sensors. Much attention has been paid to assessing the force measurement accuracy. Results are included. Furthermore, a new controller design method for AMB systems with highly flexible and gyroscopic rotors is presented.