Effective Dead-Time Compensation Using a Simple Vectorial Disturbance Estimator in PMSM Drives

Author

Kim, Sam-Young ; Lee, Wootaik ; Rho, Min-Sik ; Park, Seung-Yub

Author_Institution

Ind.-Acad. Cooperation, Changwon Nat. Univ., Changwon, South Korea

Volume

57

Issue

5

fYear

2010

fDate

5/1/2010 12:00:00 AM

Firstpage

1609

Lastpage

1614

Abstract

This paper presents an effective online approach for dead-time compensation using a simple vectorial disturbance estimator in permanent-magnet synchronous motor (PMSM) drives. The proposed estimator can calculate the disturbance voltages, which are induced by dead time, by the use of simple vector operations, i.e., the inner and outer products of flux linkage increments and a unit back electromotive force function. Then, to compensate the effect of dead time, the estimated disturbance voltages are feedforwardly added to the current control loop. This method is applied to the 750-W laboratory PMSM drive to show its effectiveness.

Keywords

electric current control; machine control; permanent magnet motors; synchronous motor drives; PMSM drives; current control loop; dead-time compensation; disturbance voltages; estimated disturbance voltages; flux linkage increments; permanent-magnet synchronous motor drives; power 750 W; unit back electromotive force function; vectorial disturbance estimator; Dead-time compensation; permanent-magnet synchronous motor (PMSM); vectorial disturbance estimator;

fLanguage

English

Journal_Title

Industrial Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0278-0046

Type

jour

DOI

10.1109/TIE.2009.2033098

Filename

5280234