Supervisory Adaptive Balancing of Rigid Rotors during Acceleration

This paper investigates active real-time balancing of rigid rotors during the transient time of acceleration. First, the governing equation of motion of a rigid rotor is formulated. A parametric adaptive control scheme is then designed based on this dynamic model. An ordinary recursive least squares estimation method is used to estimate parameters in this adaptive control scheme. A supervisory control strategy is proposed to coordinate the parameter estimation and the balancer control action. Simulation results show that the whole scheme can efficiently reduce the imbalance-induced vibration in the rigid rotor-bearing system