TY - GEN
T1 - Suppression of harmonic current in magnetically suspended rotor system based on frequency adaptive fractional compensation RC
AU - Cui, Peiling
AU - Gao, Qian
AU - Han, Bangcheng
N1 - Publisher Copyright:
© 2017 IEEE.
PY - 2017/10/26
Y1 - 2017/10/26
N2 - Due to the existence of mass unbalance and sensor runout, magnetically suspended rotor (MSR) system will generate harmonic current. The ratio of sampling frequency to fundamental frequency of the harmonic current is not always an integer. However, the existing repetitive controller (RC) for harmonic current suppression of MSR can only compensate for the cases where the ratio is an integer, so the accuracy will be degraded. To address this issue, a frequency adaptive fractional compensation repetitive controller (FCRC) that combines integer delay link and fractional delay link is proposed in this paper. Meanwhile, the low-pass filter in the feedback loop is moved to the outside of the loop. To verify the feasibility and superiority of the proposed method, experiments are carried out.
AB - Due to the existence of mass unbalance and sensor runout, magnetically suspended rotor (MSR) system will generate harmonic current. The ratio of sampling frequency to fundamental frequency of the harmonic current is not always an integer. However, the existing repetitive controller (RC) for harmonic current suppression of MSR can only compensate for the cases where the ratio is an integer, so the accuracy will be degraded. To address this issue, a frequency adaptive fractional compensation repetitive controller (FCRC) that combines integer delay link and fractional delay link is proposed in this paper. Meanwhile, the low-pass filter in the feedback loop is moved to the outside of the loop. To verify the feasibility and superiority of the proposed method, experiments are carried out.
KW - harmonic current suppression
KW - magnetically suspended rotor
KW - mass unbalance
KW - repetitive controller
KW - sensor runout
UR - https://www.scopus.com/pages/publications/85040103087
U2 - 10.1109/CCSSE.2017.8087947
DO - 10.1109/CCSSE.2017.8087947
M3 - 会议稿件
AN - SCOPUS:85040103087
T3 - 2017 3rd IEEE International Conference on Control Science and Systems Engineering, ICCSSE 2017
SP - 309
EP - 314
BT - 2017 3rd IEEE International Conference on Control Science and Systems Engineering, ICCSSE 2017
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 3rd IEEE International Conference on Control Science and Systems Engineering, ICCSSE 2017
Y2 - 17 August 2017 through 19 August 2017
ER -