Results 21 to 30 of about 27,886 (209)
Machines, 2022 Multiphase drives offer enhanced fault-tolerant capabilities compared with conventional three-phase ones. Their phase redundancy makes them able to continue running in the event of faults (e.g., open/short-circuits) in certain phases.
Alejandro G. Yepes +4 more
doaj +1 more source
A Sensorless PM Synchronous Motor Drive for Electric Washers
Communications, 2007 This paper presents a complex solution for whole speed range sensorless control of interior permanent magnet synchronous motor drives. To cover an entire speed range of IPMSM without position transducer, different sensorless techniques must be employed ...
R. Filka +2 more
doaj +1 more source
Accurate Inverter Error Compensation and Related Self-Commissioning Scheme in Sensorless Induction Motor Drives [PDF]
, 2009 This paper presents a technique for accurately identifying and compensating the inverter nonlinear voltage errors that deteriorate the performance of sensorless field-oriented controlled drives at low speed.
Bojoi, R. +3 more
core +1 more source
Open loop control of a stepping motor with step loss detection and stall detection using back-EMF based load angle estimation [PDF]
, 2014 Stepping motors are the most used electrical machines for low power positioning. The drive controls the machine so that the rotor performs a fixed angular displacement after each step command pulse.
Derammelaere, Stijn +2 more
core +1 more source
Advances in Mechanical Engineering, 2017 This article presents a hybrid sensorless speed controller for permanent magnet synchronous motor drives using field programmable gate array technology.
Risfendra +3 more
doaj +1 more source
Sensored and sensorless speed control methods for brushless doubly fed reluctance motors [PDF]
, 2009 The study considers aspects of scalar V/f control, vector control and direct torque (and flux) control (DTC) of the brushless doubly fed reluctance machine (BDFRM) as a promising cost-effective alternative to the existing technological solutions for ...
Abad +40 more
core +1 more source
, 2020 This tutorial describes the principles and practical implementation of sensorless adaptive optics.
Hampson, Karen Mary +3 more
openaire +1 more source
Energies, 2020 A DC motor velocity control in feedback systems usually requires a velocity sensor, which increases the controller cost. Additionally, the velocity sensor used in industrial applications presents several disadvantages such as maintenance requirements and
Fredy A. Valenzuela +4 more
doaj +1 more source
High-frequency issues using rotating voltage injections intended for position self-sensing [PDF]
, 2013 The rotor position is required in many control schemes in electrical drives. Replacing position sensors by machine self-sensing estimators increases reliability and reduces cost. Solutions based on tracking magnetic anisotropies through the monitoring of
De Belie, Frederik +3 more
core +1 more source
Sensorless action-reaction-based residual vibration suppression for multi-degree-of-freedom flexible systems [PDF]
, 2010 This paper demonstrates the feasibility of controlling motion and vibration of a class of flexible systems with inaccessible or unknown outputs through measurements taken from their actuators which are used as single platforms for measurements, whereas ...
Khalil, Islam Shoukry Mohammed +1 more
core +1 more source