Enhanced DBCC for high-speed permanent magnet synchronous motor drives

Tang, M. and Gaeta, Alberto and Formentini, Andrea and Ohyama, K. and Zanchetta, Pericle and Asher, Greg (2016) Enhanced DBCC for high-speed permanent magnet synchronous motor drives. IET Power Electronics, 9 (15). pp. 2880-2890. ISSN 1755-4543

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Abstract

High bandwidth and accuracy of the current control loop are fundamental requisites when a fast torque response is required or for facilitating the reduction of torque ripple in high performance drives, especially at high speed. One of the most suitable control methods to achieve these goals is dead beat current control (DBCC). Many types of DBCC have been proposed and implemented in literature. This paper proposes a DBCC incorporating two new functionalities. One is a two steps current prediction to improve prediction accuracy when current measurements are taken place before each sampling period; and particularly to reduce the overshoot during transients when mean value is used as current feedback. The second is a novel compensation method for the rotor movement to eliminate offset errors which occur at high speed. Moreover, the dynamic and steady state performance of the proposed DBCC is assessed in simulations. On the basis of the simulation tests, the control parameters are tuned for experiments and the performance of the proposed functionalities are verified. Finally, the advantage of DBCC, compared with a classical dq PI current regulator, is verified in experiments.

Item Type: Article
Additional Information: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, 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 component of this work in other works.
Schools/Departments: University of Nottingham, UK > Faculty of Engineering
Identification Number: 10.1049/iet-pel.2015.0232
Depositing User: Eprints, Support
Date Deposited: 07 Mar 2017 12:10
Last Modified: 09 Mar 2017 16:48
URI: http://eprints.nottingham.ac.uk/id/eprint/41125

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