Deadbeat-Direct Torque and Flux Control of Interior Permanent Magnet Synchronous Machines With Discrete Time Stator Current and Stator Flux Linkage Observer

Title
Deadbeat-Direct Torque and Flux Control of Interior Permanent Magnet Synchronous Machines With Discrete Time Stator Current and Stator Flux Linkage Observer
Author(s)
석줄기이재석[이재석]최찬희[최찬희]R. D. Lorenz[R. D. Lorenz]
Keywords
INDUCTION-MOTOR DRIVES; RANGE; PERFORMANCE
Issue Date
201107
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, v.47, no.4, pp.1749 - 1758
Abstract
This paper presents a discrete time deadbeat-direct torque and flux controller (DB-DTFC) for interior permanent magnet synchronous machines (IPMSMs). A Gopinath-style discrete time flux linkage observer is developed which contains two different flux estimation methods based on current and voltage models for flux linkage. This observer produces correctly estimated flux linkages needed for accurate DB-DTFC implementation. In order to eliminate the sampling delay due to a characteristic of digital control computation, a complex vector model-based rotor reference frame current observer is also developed. Combining the discrete time current and flux linkage observers, the correct single time step (deadbeat) air-gap torque and stator flux linkage control at the (constant) switching frequency is achieved and experimentally evaluated.
URI
http://hdl.handle.net/YU.REPOSITORY/24914http://dx.doi.org/10.1109/TIA.2011.2154293
ISSN
0093-9994
Appears in Collections:
공과대학 > 전기공학과 > Articles
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