Results 31 to 40 of about 17,161,903 (271)

Influence of machine topology and cross-coupling magnetic saturation on rotor position estimation accuracy in extended back-EMF based sensorless PM brushless AC drives [PDF]

open access: yes, 2007
The influence of the machine topology and dq-axis cross-coupling on the rotor position estimation error in an extended back-EMF based sensorless brushless AC drive is investigated by both finite element analysis and experimentally on four brushless AC ...
Bingham, Chris   +4 more
core   +1 more source

Sensorless speed control of DC motor using EKF estimator and TSK fuzzy logic controller

open access: yesAutomatika, 2022
In this article, sensorless speed control of DC motor has been proposed using the extended Kalman filter (EKF) estimator and Takagi–Sugeno-Kang (TSK) fuzzy logic controller (FLC).
Ravi Pratap Tripathi   +3 more
doaj   +1 more source

PMSM design optimization concerning sensorless performance and torque ripple

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2022
This paper proposes a multi objective design optimization approach concerning sensorless performance and torque ripple for Permanent Magnet Synchronous Machine.
Haiteng Sun   +4 more
doaj   +1 more source

Cross-Saturation Effects in IPM Motors and Related Impact on Sensorless Control [PDF]

open access: yes, 2006
Permanent-magnet-assisted synchronous reluctance motors are well suited to zero-speed sensorless control because of their inherently salient behavior. However, the cross-saturation effect can lead to large errors on the position estimate, which is based ...
Guglielmi, Paolo   +2 more
core   +2 more sources

An implementation of rotor speed observer for sensorless induction motor drive in case of machine parameter uncertainty [PDF]

open access: yes, 2018
The paper describes observers using model reference adaptive system for sensorless induction motor drive with the pulse width modulator and the direct torque control under the circumstances of incorrect information of induction motor parameters.
Brandštetter, Pavel   +3 more
core   +3 more sources

Improved signal injection based sensorless technique for PM brushless AC drives [PDF]

open access: yes, 2007
The accuracy of rotor position estimation in the conventional signal injection based sensorless control of permanent magnet brushless AC drives depends on the load current.
Bingham, Chris   +3 more
core   +1 more source

Position estimation delays in signal injection-based sensorless PMSM drives [PDF]

open access: yes, 2012
The causes of position estimation delays and their effects on the sensorless control of permanent magnet synchronous motor drives are investigated. The position of a permanent magnet synchronous machine is estimated via the injection of high frequency ...
Altomare, A.   +3 more
core   +1 more source

Improved rotor position estimation in extended back-EMF based sensorless PM brushless AC drives with magnetic saliency [PDF]

open access: yes, 2007
An improved extended back-EMF based sensorless control method is proposed for a brushless AC motor equipped with an interior permanent magnet rotor. It accounts for dq-axis cross-coupling magnetic saturation by introducing an apparent mutual winding ...
Bingham, Chris, Howe, D, Li, Y, Zhu, Z Q
core   +1 more source

Application of Sensorless Control Technology of Permanent Magnet Synchronous Motor in Tianjin Metro

open access: yes机车电传动, 2020
The necessity of sensorless control technology of permanent magnet traction system in the field of rail transit was introduced, the position estimation method based on the electromagnetic relation of permanent magnet motor was summarized, and the ...
Xingxiang ZHOU
doaj  

MRAS Based Sensorless and Sensor Vector Control and Smooth Transient Between Them

open access: yesCommunications, 2011
Dynamic control, like vector control is an essential feature of every modern AC drive. In some cases it might be very important to provide continuous operation in case of encoder failure.
Jakub Vonkomer, Milan Zalman
doaj   +1 more source

Home - About - Disclaimer - Privacy