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237-tik 21-40 emaitza erakusten
Influence of Manufacturing Tolerances and Eccentricities on the Electromotive Force in Permanent Magnet Synchronous Motors
(IEEE, 2022)
Eccentricity is a common error in electric motors, so its diagnosis is an important issue. Therefore, the effect of static and dynamic eccentricities on the harmonics of the frequency spectra of the voltage of a phase is ...
Bidirectional Cuk Converter in Partial-Power Architecture with Current Mode Control for Battery Energy Storage System in Electric Vehicles
(IEEE, 2022)
This paper presents a partial-power processing architecture intended for an on-board charger. This module is integrated into a Battery Energy Storage System (BESS). This model allows us to easily control the charge-discharge ...
Analysis and Implementation of different non-isolated Partial-Power Processing Architectures based on the Cuk Converter
(IEEE, 2022)
This paper presents the analysis and study of different partial-power processing architectures based on the Cuk converter. Thus, the non-isolated topologies analyzed have been considered operative as voltage source converter ...
Analytical, FEM and Experimental Study of the Influence of the Airgap Size in Different Types of Ferrite Cores
(IEEE, 2022)
This work reviews and compares different airgap reluctance calculation approaches with experimental results, focusing on the Schwarz-Christoffel transformation. The modelling of the airgap reluctance in two dimensions is ...
Evolutionary generation of metamorphic relations for cyber-physical systems
(ACM, 2022)
A problem when testing Cyber-Physical Systems (CPS) is the difficulty of determining whether a particular system output or behaviour is correct or not. Metamorphic testing alleviates such a problem by reasoning on the ...
Evolution of Servitization: New Business Model Opportunities
(Universitat Politècnica de València, 2022)
The concept of Servitization has been constantly developing since its outset, but in the last decade due to the irruption of Industry 4.0, the complexity of the concept and its typologies of value propositions have evolved ...
An Interoperable EMS for the Provision of Grid Services with Hybrid Energy Storage Systems
(IEEE, 2022)
This paper proposes an interoperable energy management system (EMS) for grid-connected HESSs, enabling the provision of ancillary services to the grid. Power systems are evolving towards a more renewable and decentralised ...
Single Core and Modular Transformer Solutions: a Trade-Off Analysis of Volume, Losses and Temperature Rise
(IEEE, 2022)
In this paper, a comparison between single core and modular transformer solutions is made. Basic dimensional relations between volumes, areas and lengths are used to obtain mathematical expression of the power losses and ...
Novel Analytical Method for Estimating the Junction-to-Top Thermal Resistance of Power MOSFETs
(IEEE, 2022)
This papers proposes a new methodology for estimating the thermal resistance from the junction-to-top capsule surface. By placing the transistor in a vertical position, without being soldered to any PCB, and sensing the ...
Ikasgelan elkarrekintza didaktiko emankorrak diseinatzeko tresna baten sorkuntza
(Euskal Herriko Unibertsitatea (UPV/EHU), 2022)
Artikulu honek ikasgelan elkarrekintza didaktikoak diseinatzeko oinarriak eta balizko
tresna bat eskaintzea du helburu. Erreminta hau irakasleei eskainitako prestakuntza prozesu baten markoan
sortu da eta beraren aplikazioa ...
Visual Odometry in Challenging Environments: An Urban Underground Railway Scenario Case
(IEEE, 2022)
Localization is one of the most critical tasks for an autonomous vehicle, as position information is required to understand its surroundings and move accordingly. Visual Odometry (VO) has shown promising results in the ...
Goal-Conditioned Reinforcement Learning within a Human-Robot Disassembly Environment
(MDPI, 2022)
The introduction of collaborative robots in industrial environments reinforces the need to provide these robots with better cognition to accomplish their tasks while fostering worker safety without entering into safety ...
How-to conduct a systematic literature review: A quick guide for computer science research
(Elsevier, 2022)
Performing a literature review is a critical first step in research to understanding the state-of-the-art and identifying gaps and challenges in the field. A systematic literature review is a method which sets out a series ...
Evaluación heurística de la interacción persona-robot en entornos industriales
(AIPO, 2022)
En la nueva industria cada vez son más los robots utilizados. Para aprovechar al máximo los beneficios que los robots pueden ofrecer, es necesario generar una interacción fluida y satisfactoria persona-robot, de modo que ...
Dynamic Wireless Power Transfer DWPT Time Domain model: xyz position and speed coupling effect
(IEEE, 2022)
The paper presents a DWPT system time domain model which considers speed and position (x, y, z) coupling effects. The speed effect compared to static WPT, presents an active behavior that should be considered during the ...
Benefits of switching from Si to SiC modules with further converter optimization
(IEEE, 2022)
SiC semiconductors have better characteristics than Si, improving power electronics converters performances. A prototype that can switch semiconductor technology without changing any other part of the system is built and ...
Entrepreneurial self-efficacy among first-year undergraduates: Gender, creative self-efficacy, leadership self-efficacy, and field of study
(Cracow University of Economics, 2022-12-30)
Objective: To contribute to a better understanding of the factors that influence university students’ confidence in their ability to engage in entrepreneurial behaviours.
Research Design & Methods: Participants were ...
Leisure activities, creative actions and emotional creativity
(Elsevier Ltd, 2022)
The general objective of this study was to assess the relationships between leisure, emotional creativity, creative actions, and self-perceptions about creative performances. The sample included 542 participants aged between ...
Uncertainty-aware Robustness Assessment of Industrial Elevator Systems
(ACM, 2022)
Industrial elevator systems are commonly used software systems in our daily lives, which operate in uncertain environments such as unpredictable passenger traffic, uncertain passenger attributes and behaviors, and hardware ...
Spectrum-based feature localization for families of systems
(Elsevier, 2022)
In large code bases, locating the elements that implement concrete features of a system is challenging. This information is paramount for maintenance and evolution tasks, although not always explicitly available. In this ...