Results 111 to 120 of about 17,161,903 (271)

Investigating the Effect of Water Contamination on Gearbox Lubrication based on Motor Control Data from a Sensorless Drive [PDF]

open access: yes, 2014
Water is one of the most significant destructive contaminations to lubricants which in turn lead to more power consumption and early damage to rotating machines.
Abusaad, Samieh   +4 more
core  

Control strategy for switched reluctance motor with rotary encoder based rotor position detection [PDF]

open access: yes, 2018
Development of electric drive tends to the use of Switched Reluctance Motor (SRM) for their advantages and green technology issues. The SRM takes significant place in development for its simplicity, robust construction, and low cost.
Riyadi, Slamet
core   +2 more sources

Observer-based sensorless speed control of PMSM: A focus on drive’s startup

open access: yesJournal of Electrical Systems and Information Technology, 2016
Sensorless control of permanent magnet synchronous motor has received a lot of research interest due to cost reduction and reliability improvement of the drive. One of the applied techniques is Luenberger observer.
Osama M. Arafa   +3 more
doaj   +1 more source

Review of Position Sensorless Control Technology for Permanent Magnet Synchronous Motors

open access: yesEnergies
The high-performance control of permanent magnet synchronous motors hinges on precise rotor position information. However, traditional mechanical sensors are plagued by high costs, large dimensions, and low reliability.
Yukuan Ran   +3 more
doaj   +1 more source

Quantifying the commutation error of a BLDC machine using sensorless load angle estimation [PDF]

open access: yes, 2016
BLDC motors are often used for high speed applications, for example in pumps, ventilators and refrigerators. For commutation discrete position information is necessary.
De Viaene, Jasper   +4 more
core   +1 more source

Current-Sensorless Power Factor Correction With Predictive Controllers

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2019
Power factor correction (PFC) converters are widely employed for ac/dc conversion to fulfill the applicable standards while ensuring high efficiency. Current-sensorless controllers in PFCs simplify the interaction between power and control circuits, improving noise immunity.
Felipe Lopez   +4 more
openaire   +3 more sources

DIRECT POWER CONTROL OF A DFIG BASED WIND TURBINS UNDER UNBALANCED GRID VOLTAGE WITHOUT ROTOR POSITION SENSOR

open access: yesInternational Islamic University Malaysia Engineering Journal, 2017
In this paper, the behavior of a doubly fed induction generator (DFIG) is proposed under unbalanced grid voltage and without using a rotor position sensor.
Ali Izanlo   +2 more
doaj   +1 more source

Improved Sensorless Control of Interior Permanent Magnet Sensorless Motors Using an Active Damping Control Strategy [PDF]

open access: yesEnergies, 2016
This paper proposes the active damping control strategy for position sensorless operation of an interior permanent magnet (IPM) motor. The proposed method is applied to both the current controller and the position estimator to control damping characteristics of the IPM drive system.
openaire   +1 more source

Improved Nonlinear Flux Observer-Based Second-Order SOIFO for PMSM Sensorless Control

open access: yesIEEE transactions on power electronics, 2019
The conventional rotor flux estimation method has issues of dc offset and harmonics, which are caused by initial rotor flux, detection errors, etc. To eliminate these defects, one improved nonlinear flux observer is proposed for sensorless control of ...
W. Xu, Yajie Jiang, C. Mu, F. Blaabjerg
semanticscholar   +1 more source

New Fault-Tolerant Sensorless Control of FPFTPM Motor Based on Hybrid Adaptive Robust Observation for Electric Agricultural Equipment Applications

open access: yesEnergies
This paper proposes a hybrid adaptive robust observation (HARO)-based sensorless control strategy of a five-phase fault-tolerant permanent-magnet (FPFTPM) motor for electric agricultural equipment applications under various operating conditions ...
Zifeng Pei   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy