TY - GEN
T1 - Frequency-adaptive autobalancing control for magnetically suspended rotor with imprecise rotational speed
AU - Wei, Tong
AU - Zhao, Lishuang
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/10/2
Y1 - 2015/10/2
N2 - Unbalance of the magnetically suspended rotor (MSR) causes synchronous vibration. In order to eliminate synchronous vibration and compel the rotor to rotate about its inertial axis under the circumstances of imprecise rotational speed, a closed-loop designed adaptive notch filter (ANF) is proposed, which can estimate the rotational speed and extract synchronous component from the rotor displacement simultaneously. Compared with conventional open-loop designed ANF, it is designed according to closed-loop transfer function of the magnetic bearing system and can preserve system stability by adjusting its parameters. The closed-loop designed ANF and a feedforward compensator constitute a frequency-adaptive autobalancing control scheme. Through simulation, the performance and effectiveness of the designed autobalancing control is demonstrated. In experiments, this method reduces synchronous vibration force of a MSR from 22 N to 1.8 N.
AB - Unbalance of the magnetically suspended rotor (MSR) causes synchronous vibration. In order to eliminate synchronous vibration and compel the rotor to rotate about its inertial axis under the circumstances of imprecise rotational speed, a closed-loop designed adaptive notch filter (ANF) is proposed, which can estimate the rotational speed and extract synchronous component from the rotor displacement simultaneously. Compared with conventional open-loop designed ANF, it is designed according to closed-loop transfer function of the magnetic bearing system and can preserve system stability by adjusting its parameters. The closed-loop designed ANF and a feedforward compensator constitute a frequency-adaptive autobalancing control scheme. Through simulation, the performance and effectiveness of the designed autobalancing control is demonstrated. In experiments, this method reduces synchronous vibration force of a MSR from 22 N to 1.8 N.
KW - adaptive notch filter (ANF)
KW - autobalancing
KW - magnetically suspended rotor (MSR)
KW - rotational speed estimation
KW - synchronous vibration
UR - https://www.scopus.com/pages/publications/84962216187
U2 - 10.1109/CYBER.2015.7288184
DO - 10.1109/CYBER.2015.7288184
M3 - 会议稿件
AN - SCOPUS:84962216187
T3 - 2015 IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, IEEE-CYBER 2015
SP - 1599
EP - 1604
BT - 2015 IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, IEEE-CYBER 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 5th Annual IEEE International Conference on Cyber Technology in Automation, Control and Intelligent Systems, IEEE-CYBER 2015
Y2 - 9 June 2015 through 12 June 2015
ER -