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Hole expansion test of third generation steels
(AIP Publishing, 2017)The trend towards the implementation of new materials in the chassis of the automobiles is considerably making more complex the manufacturing of the components that built it up. In this scenario materials with higher ... -
Methodology for thermal modelling of lithium-ion batteries
(IEEE, 2013)Temperature is a determinant parameter in terms of performance, lifespan and safety working with li-ion batteries. Working above 45°C, in hot climates, has direct influence in the cycle life of the battery and can cause a ... -
DC-link sensor Fault Detection and isolation for railway traction electric drives
(IEEE, 2017)This article presents the design and the implementation of a fault detection and isolation strategy for sensors in variable speed drives. Electric drives use several current and voltage sensors for control and protection. ... -
Static Current Unbalance of Paralleled SiC MOSFET Modules in the Final Layout
(IEEE, 2020)Silicon Carbide (SiC) MOSFETs enable enhanced performance of power converters in several applications. Parallel connection of SiC MOSFETs become mandatory for medium power applications due to the current rate of existing ... -
Thermal test procedure and analytical model calibration method for electrical machines
(IEEE, 2013)In this paper a thermal test procedure and a calibration method for lumped parameter models are presented. Analytical models provide fast thermal simulations in comparison with finite element methods (FEM) and computed ... -
Radial fan simulations by computational fluid dynamics and experimental validation
(IEEE, 2014)Fans are commonly used to refrigerate electrical machines when air forced cooling is required. They are rather simple solutions that can considerably improve the thermal performance of electrical machines, so the fan ... -
Methodology to Study Demagnetization Risk in Permanent Magnet Machines by Finite Element Method
(IEEE, 2017)Nowadays the majority of applications are demanding more and more compact, cost effective and robust solutions for their electric drives. In this context permanent magnet synchronous machines are considered as a good ... -
Experimental test bench for testing DC microgrid control strategies
(IEEE, 2017)During the last decades the number of microgrids and their research have increased notably, as they offer a high versatility for the integration of distributed generation (DG) units and renewable energies. Among the different ... -
Comprehensive analysis of voltage balancing techniques for 5L NPC converters
(IEEE, 2013)The reduced capability of the 5L-NPC Inverter to balance the voltages of the four DC-bus capacitors makes this converter unattractive for real power applications. This is especially true if the load demands active power. ... -
Analytical model to calculate radial forces in permanent-magnet synchronous machines
(IEEE, 2014)In permanent-magnet synchronous machines (PMSMs) electromagnetic forces are identified as the principal source of vibrations and noises. In this article, first of all the sources of magnetic forces in PMSMs are analyzed. ... -
Analytical model to calculate magnetic flux density in permanent magnet synchronous machines with static eccentricity
(IEEE, 2016)In this article a general analytical model for the analysis of permanent magnet synchronous machines with static eccentricity is presented. The model is a continuation of [1] and it is based on Fourier time-space series ... -
A Configurable Validation Environment for Refactored Embedded Software : an Application to the Vertical Transport Domain
(IEEE, 2017)As systems evolve, their embedded software needs constantly to be refactored. Moreover, given the different needs of different customers, embedded systems require to be customizable. The variability of these systems is ... -
Visualizing Network Flows and Related Anomalies in Industrial Networks using Chord Diagrams and Whitelisting
(SCITEPRESS, 2016)Industrial Control Systems are the set of specialized elements that monitor and control physical processes. Those systems are normally interconnected forming environments known as industrial networks. The particularities ... -
Model Query Translator. A Model-level Query Approach for Large-scale Models
(SCITEPRESS, 2015)Persisting and querying models larger than a few tens of megabytes using XMI introduces a significant time and memory footprint overhead to MDD workflows. In this paper, we present an approach that attempts to address this ... -
Supporting CRUD Model Operations from EOL to SQL
(SCITEPRESS, 2016)Model-based software development promises improvements in terms of quality and cost by raising the abstraction level of the development from code to models, but also requires mature techniques and tools. Although Eclipse ... -
Evolving Legacy Model Transformations to Aggregate Non Functional Requirements of the Domain
(SCITEPRESS, 2015)The use of Model Driven Development (MDD) is increasing in industry. When a Non Functional Requirement (NFR) not considered in the development must be added metamodels, models and also transformations are affected. Tasks ... -
Transevol - A Tool to Evolve Legacy Model Transformations by Example
(SCITEPRESS, 2014)The use of Model Driven Development (MDD) approach is increasing in industry. MDD approach raises the level of abstraction using models as main artefacts of software engineering processes. The development of model ... -
On the support of multi-perspective process models variability for smart environments
(IEEE, 2014)Cloud service-based applications are to be adapted to serve multiple platforms and stakeholders. Atop of such services, Smart Green Buildings are fostering a plethora of processes within their sustainability life-cycle. ... -
Vacuum packaging and semipassive chips for wireless temperature monitoring in industrial applications
(2017)This paper describes a smart system to monitor high temperature in industrial applications. The solution includes a semipassive microchip which allows logging data and wireless reading. Protection for the electronics against ... -
DC versus AC in residential buildings: efficiency comparison
(IEEE, 2013)DC energy solutions are gaining interest in recent years, due to improvements in power electronics. Some companies have developed solutions for the domestic implementation of DC power systems. This article analyzes the ...
