Fast Speed Control of AC Machines Without the Proportional-Integral Controller: Using an Extended High-Gain State Observer

Fengxiang Wang, Junxiao Wang, Ralph M. Kennel, José Rodríguez

Resultado de la investigación: Article

3 Citas (Scopus)

Resumen

As cascaded proportional-integral controllers involve complicated tuning work, many efforts have been focused on direct controllers. Direct torque control and predictive torque control are both feasible solutions. However, bigger ripples or weighting factor designs are not easily solved. In this paper, a direct current controller that uses an extended high-gain state observer is proposed. The integral controller is removed from the system by using a disturbance estimation technique, which improves the system's performance with a variety of loads. A direct current controller without weighting factors is proposed as the inner controller. Unlike existing direct control methods, all phase currents are considered equally in the controller, which ensures a high current control quality. The simulation and experimental results verify that the proposed method performs well both in steady and transient states.

Idioma originalEnglish
Número de artículo8590795
Páginas (desde-hasta)9006-9015
Número de páginas10
PublicaciónIEEE Transactions on Power Electronics
Volumen34
N.º9
DOI
EstadoPublished - 1 sep 2019

Huella dactilar

Speed control
Controllers
Torque control
Electric current control
Tuning

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Citar esto

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Fast Speed Control of AC Machines Without the Proportional-Integral Controller : Using an Extended High-Gain State Observer. / Wang, Fengxiang; Wang, Junxiao; Kennel, Ralph M.; Rodríguez, José.

En: IEEE Transactions on Power Electronics, Vol. 34, N.º 9, 8590795, 01.09.2019, p. 9006-9015.

Resultado de la investigación: Article

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T1 - Fast Speed Control of AC Machines Without the Proportional-Integral Controller

T2 - Using an Extended High-Gain State Observer

AU - Wang, Fengxiang

AU - Wang, Junxiao

AU - Kennel, Ralph M.

AU - Rodríguez, José

PY - 2019/9/1

Y1 - 2019/9/1

N2 - As cascaded proportional-integral controllers involve complicated tuning work, many efforts have been focused on direct controllers. Direct torque control and predictive torque control are both feasible solutions. However, bigger ripples or weighting factor designs are not easily solved. In this paper, a direct current controller that uses an extended high-gain state observer is proposed. The integral controller is removed from the system by using a disturbance estimation technique, which improves the system's performance with a variety of loads. A direct current controller without weighting factors is proposed as the inner controller. Unlike existing direct control methods, all phase currents are considered equally in the controller, which ensures a high current control quality. The simulation and experimental results verify that the proposed method performs well both in steady and transient states.

AB - As cascaded proportional-integral controllers involve complicated tuning work, many efforts have been focused on direct controllers. Direct torque control and predictive torque control are both feasible solutions. However, bigger ripples or weighting factor designs are not easily solved. In this paper, a direct current controller that uses an extended high-gain state observer is proposed. The integral controller is removed from the system by using a disturbance estimation technique, which improves the system's performance with a variety of loads. A direct current controller without weighting factors is proposed as the inner controller. Unlike existing direct control methods, all phase currents are considered equally in the controller, which ensures a high current control quality. The simulation and experimental results verify that the proposed method performs well both in steady and transient states.

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