Browsing by Subject "Rotors"
Now showing items 1-20 of 41
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A novel broken rotor bar fault detection method using park’s transform and wavelet decomposition
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Conference lecture
Restricted access - publisher's policyDetection of broken rotor bars has been an important but difficult work in fault diagnosis area of induction motors. The characteristic frequency components of faulted rotor are very close to the power frequency component ... -
A Novel PMSM Hybrid Sensorless Control Strategy for EV Applications Based on PLL and HFI
(2016)
Número de revista
Open AccessIn this paper, a novel hybrid sensorless control strategy for Permanent Magnet Synchronous Machine (PMSM) drives applied to Electric Vehicles (EV) is presented. This sensorless strategy covers the EV full speed range and ... -
A practical approach to HFI based sensorless control of PM-assisted synchronous reluctance machines applied to EVs and HEVs
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policySensorless control is a promising alternative for controlling Electric Vehicle (EV) and Hybrid Electric Vehicle (HEV) propulsion systems without the need of complex devices, such as resolvers or encoders. As the usage of ... -
Accurate angle representation from misplaced hall-effect switch sensors for low-cost electric vehicle applications
(2022-07-18)
Article
Open AccessThis article presents an accurate method to determine the mandatory rotor position to control a permanent magnet synchronous machine from misplaced Hall-effect switch sensors. The main feature of this technique is the ... -
Acoustic Rotor. Driving rotation through acoustic vortex creation and exchange of orbital angular momentum
(Universitat Politècnica de Catalunya, 2012)
Master thesis (pre-Bologna period)
Restricted access - author's decision -
Aerodynamics of Rotor in Confined ENvironment (ARChEaN)
(Universitat Politècnica de Catalunya, 2014-06-11)
Bachelor thesis
Restricted access - confidentiality agreement -
Analysis of the three-phase induction motor with spiral sheet rotor
(2012-02)
Article
Restricted access - publisher's policyThe improvements obtained on the torque with low currents using rotor with spiral sheets are analyzed in this paper. To have a complete study, several rotors and stators have been built to verify the electromagnetic variations ... -
Behavior of the three-phase induction motor with spiral sheet rotor
(2009-03)
Article
Open AccessImprovements in torque at low currents using a rotor with spiral sheets are analyzed. Several rotors and stators have been built combining different constructive and mechanical characteristics of the related elements: ... -
Complex-valued sliding mode controllers for doubly-fed induction motors
(Institute of Electrical and Electronics Engineers (IEEE), 2022-11-29)
Article
Open AccessThis article presents two algorithms to control the speed of doubly-fed induction motors. The controllers are designed using the complex-valued sliding mode methodology to track either the rotor or the stator current. An ... -
Detailed study of DFIG-based wind turbines to overcome the most severe grid faults
(2014-11-01)
Article
Restricted access - publisher's policyThis paper studies the effects of voltage sags caused by faults on doubly-fed induction generators to overcome grid faults. A wide range of sag duration and depth values is considered. It is observed that sag duration ... -
Diagnosis Methodology Based on Statistical-time Features and Linear Discriminant Analysis Applied to Induction Motors
(2017)
Conference report
Restricted access - publisher's policyThe development of condition monitoring strategies is necessary to ensure the efficiency and reliability of the operation on electric machines. The feature calculation is an important signal processing step used to obtain ... -
Ducted fan propulsion system study for ONAerospace eVTOL
(Universitat Politècnica de Catalunya, 2023-02-14)
Bachelor thesis
Open Access
Covenantee: ONAerospaceIn recent years, the relentless advance of climate change forces society to adapt to more sustainable modes of transportation. In a not so distant future, urban transport is envisioned to expand to the skies with new ... -
Effect of rotor spinning transfer channel modification on fiber orientation and yarn properties
(2019-05)
Article
Open AccessThe vortices are generated at the conventional transfer channel, having adverse effects on fiber configuration. In a former research, a conventional transfer channel was modified via rounding the transfer channel inlet ... -
Effects of Rotation on the Flow Structure in a Compressor Cascade
(American Society of Mechanical Engineers (ASME), 2021)
Conference report
Restricted access - publisher's policyIn turbomachines, rotors and stators differ by the rotation of the former. Hence, half of each stage is directly influenced by rotation effects. The influence of rotation on the flow structure and its impact on the performance ... -
Estudi d'algoritmes de prognosi aplicats a UAVs (Unmaned Aerial Vehicles) multirotors
(Universitat Politècnica de Catalunya, 2015-01)
Master thesis (pre-Bologna period)
Open AccessAquest projecte consisteix en un estudi sobre dos tipologies de motors reals de UAVs per tal de poder detectar errors gràcies a la visualització de variacions en el seu comportament habitual. En primera instància es parla ... -
Estudi per a la fusió de dades de posició i actitud en un multirotor AscTec Hummingbird
(Universitat Politècnica de Catalunya, 2015-10)
Bachelor thesis
Open AccessEstudi dels protocols de comunicació de dispositius GPS convencionalsEstudi del software de control del Hummingbird, apartat de lectura de sensorsIntegració del MB100 i modificació del software si convéEstudi del software ... -
Estudio de estrategias de diagnóstico y control tolerante a fallos para UAVs (Unmanned Aerial Vehicle) multirotors
(Universitat Politècnica de Catalunya, 2017-01-18)
Master thesis
Restricted access - author's decision -
Estudio sobre el método de propulsión mediante rotores Flettner
(Universitat Politècnica de Catalunya, 2012-07-11)
Master thesis (pre-Bologna period)
Open Access -
Estudio técnico de un aerogenerador multi-rotor.
(Universitat Politècnica de Catalunya, 2018-06-21)
Master thesis
Open AccessSe trata de un análisis técnico sobre la disposición e implementación de diferentes rotores en un mismo aerogenerador. Esto es objeto de estudio ya que la demanda de energía que cubren varios aerogeneradores convencionales ... -
Full speed range sensorless control of permanent magnet synchronous machines for EV and HEV applications: state of the art
(2016)
Conference report
Restricted access - publisher's policyThis paper reviews the most significant rotor speed and position estimation methods for Permanent Magnet Synchronous Machines (PMSM). Additionally, the paper discusses their suitability for Electric Vehicle (EV) and Hybrid ...
