Fast Determination of Moment of Inertia of Permanent Magnet Synchronous Machine Drives for Design of Speed Loop Regulator

This paper proposes a novel method for the fast determination of moment of inertia of permanent magnet synchronous machine drive systems. It is based on the use of sinusoidal perturbation signals and can determine the combined moment of inertia within one sinusoidal cycle of perturbation while the i...

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Bibliographic Details
Published in:IEEE transactions on control systems technology 2017-09, Vol.25 (5), p.1816-1824
Main Authors: Liu, Kan, Zhu, Ziqiang
Format: Article
Language:English
Subjects:
Couplings
Electrical machine drive
Estimation
Friction
mechanical parameter
moment of inertia
parameter determination
permanent magnet synchronous machine (PMSM)
Regulators
Rotors
Torque
Transient analysis
viscous friction coefficient
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Summary:This paper proposes a novel method for the fast determination of moment of inertia of permanent magnet synchronous machine drive systems. It is based on the use of sinusoidal perturbation signals and can determine the combined moment of inertia within one sinusoidal cycle of perturbation while the influence of viscous friction is eliminated during the modeling process. It does not need the aid of complex system identification algorithms, and thanks to the elimination of influence of viscous friction, the proposed scheme shows higher accuracy than the conventional method without taking into account. Furthermore, its accuracy is also competitive with the conventional method using complex system identification algorithms, for example, the model reference adaptive system. Besides, the performance of designed speed regulators using the estimated mechanical parameters and the influence of mismatching of mechanical parameters are also investigated.
ISSN:1063-6536
1558-0865
DOI:10.1109/TCST.2016.2615090