Sensorless Control of High-Speed Motors Subject to Iron Loss

It is widely recognized that the iron loss produced by motors at high speeds will directly affect the angle and size of the back electromotive force, and, therefore, it cannot be ignored. In this paper, a high-performance sensorless control algorithm is proposed for high-speed permanent magnet synch...

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Published in:Energies (Basel) Vol. 15; no. 20; p. 7615
Main Authors: Cao, Yang, Guo, Jian
Format: Journal Article
Language:English
Published: Basel MDPI AG 01.10.2022
Subjects:
Accuracy
adaptive robust control
characteristic model
Control theory
Controllers
Design
Electromagnetism
HSPMSM
iron loss
Magnets, Permanent
Mathematical models
Methods
Parameter estimation
Robust control
Sensors
Sliding mode control
sliding mode observer
China
ISSN:1996-1073, 1996-1073
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Abstract It is widely recognized that the iron loss produced by motors at high speeds will directly affect the angle and size of the back electromotive force, and, therefore, it cannot be ignored. In this paper, a high-performance sensorless control algorithm is proposed for high-speed permanent magnet synchronous motors (HSPMSM), taking the iron loss into account. First, the resistance representing the core loss is precalculated by finite element analysis, and then a sliding mode observer with disturbance observation is designed to estimate the rotor position. The observer possesses the advantages of suppressing the chattering phenomenon and enhancing the robustness against uncertainty. Meanwhile, the idea of the characteristic model is used to design an adaptive robust control law to improve the speed control accuracy. Subsequently, a sensorless control scheme is proposed by using the proposed observer in combination with the designed control scheme. The stability of the observer and controller is verified by the Lyapunov theory method. Finally, a simulation example is given to demonstrate the correctness and the effectiveness of the proposed algorithm.
AbstractList It is widely recognized that the iron loss produced by motors at high speeds will directly affect the angle and size of the back electromotive force, and, therefore, it cannot be ignored. In this paper, a high-performance sensorless control algorithm is proposed for high-speed permanent magnet synchronous motors (HSPMSM), taking the iron loss into account. First, the resistance representing the core loss is precalculated by finite element analysis, and then a sliding mode observer with disturbance observation is designed to estimate the rotor position. The observer possesses the advantages of suppressing the chattering phenomenon and enhancing the robustness against uncertainty. Meanwhile, the idea of the characteristic model is used to design an adaptive robust control law to improve the speed control accuracy. Subsequently, a sensorless control scheme is proposed by using the proposed observer in combination with the designed control scheme. The stability of the observer and controller is verified by the Lyapunov theory method. Finally, a simulation example is given to demonstrate the correctness and the effectiveness of the proposed algorithm.
Audience Academic
Author Guo, Jian
Cao, Yang
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10.1016/S0005-1098(96)00222-1
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Snippet It is widely recognized that the iron loss produced by motors at high speeds will directly affect the angle and size of the back electromotive force, and,...
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StartPage 7615
SubjectTerms Accuracy
adaptive robust control
characteristic model
Control theory
Controllers
Design
Electromagnetism
HSPMSM
iron loss
Magnets, Permanent
Mathematical models
Methods
Parameter estimation
Robust control
Sensors
Sliding mode control
sliding mode observer
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