Predictive direct torque control for the PM synchronous machine

This paper shows that a predictive digital control combined with the principle of direct torque control (DTC) leads to an excellent dynamic behavior of the synchronous machine with surface-mounted permanent magnets and is a real alternative to the classical field-orientated control. The advantages a...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2005-10, Vol.52 (5), p.1350-1356
Main Authors: Pacas, M., Weber, J.
Format: Article
Language:English
Subjects:
Digital control
Digital signal processors
Magnetic field measurement
Permanent magnets
Permanent-magnet (PM) machines
Position measurement
predictive control
Rotors
Servomechanisms
Switching frequency
Synchronous machines
synchronous motor drives
Torque control
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Summary:This paper shows that a predictive digital control combined with the principle of direct torque control (DTC) leads to an excellent dynamic behavior of the synchronous machine with surface-mounted permanent magnets and is a real alternative to the classical field-orientated control. The advantages are a DTC control scheme with constant switching frequency and a predictable torque ripple. The settling times of the torque are reduced compared to the classical field-orientated control. The application in servo drives in which the rotor position is always measured can easily be achieved by using a commercial digital signal processor. Numerous simulations and measurements confirm the theoretical work.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2005.855662