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A fractional delay variable frequency repetitive control for torque ripple reduction in PMSMs

Tang, Mi; Gaeta, Alberto; Formentini, Andrea; Zanchetta, Pericle

Authors

Mi Tang

Alberto Gaeta

Andrea Formentini

Pericle Zanchetta



Abstract

Based on the internal model principle, repetitive controller (RC) is capable to reduce periodic torque ripple by generating a compensating action that consequently need to be synchronized with the original ripple. However, the synchronization is difficult to achieve using the conventional RC when the sampling frequency is not integer multiple of the speed (known as fractional delay issue), or when the speed varies widely. To solve this problem, this paper presents a fractional delay variable frequency torque ripple reduction method for PMSM drives using the combination of angle-based RC and deadbeat current control (DBCC). Four aspects of innovations are included in the proposed control to improve the synchronization. The experimental results show that the proposed control can effectively reduce torque ripple even during speed and load transient.

Journal Article Type Article
Journal IEEE Transactions on Industry Applications
Print ISSN 0093-9994
Electronic ISSN 0093-9994
Publisher Institute of Electrical and Electronics Engineers
Peer Reviewed Peer Reviewed
APA6 Citation Tang, M., Gaeta, A., Formentini, A., & Zanchetta, P. (in press). A fractional delay variable frequency repetitive control for torque ripple reduction in PMSMs. IEEE Transactions on Industry Applications, doi:10.1109/TIA.2017.2725824
DOI https://doi.org/10.1109/TIA.2017.2725824
Keywords Deadbeat control, Repetitive control, Variable speed drives, Permanent magnet machines, Torque ripple reduction
Publisher URL https://doi.org/10.1109/TIA.2017.2725824
Copyright Statement Copyright information regarding this work can be found at the following address: http://eprints.nottingh.../end_user_agreement.pdf
Additional Information c2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf





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