Please use this identifier to cite or link to this item: https://doi.org/10.1109/PES.2008.4596931
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dc.titleReview of torque ripple minimization in PM synchronous motor drives
dc.contributor.authorPanda, S.K.
dc.contributor.authorXu, J.-X.
dc.contributor.authorQian, W.
dc.date.accessioned2014-06-19T03:26:03Z
dc.date.available2014-06-19T03:26:03Z
dc.date.issued2008
dc.identifier.citationPanda, S.K.,Xu, J.-X.,Qian, W. (2008). Review of torque ripple minimization in PM synchronous motor drives. IEEE Power and Energy Society 2008 General Meeting: Conversion and Delivery of Electrical Energy in the 21st Century, PES : -. ScholarBank@NUS Repository. <a href="https://doi.org/10.1109/PES.2008.4596931" target="_blank">https://doi.org/10.1109/PES.2008.4596931</a>
dc.identifier.isbn9781424419067
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/71640
dc.description.abstractParasitic torque pulsations exist in permanent magnet synchronous motors (PMSMs) due to non-sinusoidal flux density distribution around the air-gap, errors in current measurements, and variable magnetic reluctance of the air-gap due to stator slots. These torque pulsations vary periodically with rotor position and are reflected as speed ripple which degrades the PMSM drive performance, particularly at low speeds. Because of the periodic nature of torque ripple, iterative learning control (ILC) is intuitively an excellent choice for torque ripple minimization. In this paper, we provide a brief survey of the various approaches that have been proposed for torque ripple minimization. Subsequently, first we propose an ILC scheme implemented in time domain to reduce periodic torque pulsations. A forgetting factor is introduced in this scheme to increase the robustness of the algorithm against disturbance. However, this limits the extent to which torque pulsations can be suppressed. In order to overcome this limitation, a modified ILC scheme implemented in frequency domain by means of Fourier series expansion is presented. Experimental evaluations of both the proposed schemes are carried out on a DSP-controlled PMSM drive platform. Test results obtained demonstrate the effectiveness of the proposed control schemes in reducing torque ripple by a factor of approximately three under various operating conditions. © 2008 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/PES.2008.4596931
dc.sourceScopus
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/PES.2008.4596931
dc.description.sourcetitleIEEE Power and Energy Society 2008 General Meeting: Conversion and Delivery of Electrical Energy in the 21st Century, PES
dc.description.page-
dc.identifier.isiutNOT_IN_WOS
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