Search results for "Automotive engineering"

showing 10 items of 483 documents

Battery Capacity Estimation for Building Integrated Photovoltaic System: Design Study for Different Geographical Location(s)

2017

Abstract Building Integrated Photovoltaic system (BIPV) with energy storage (ES) can help in reducing the peak demand, improving the power quality and control dispatching of the power. Adding a proper size of battery ES to the grid-connected PV system could reduce the overall investment cost as well as reducing the grid-dependency. A typical battery energy storage capacity is going to be determined by considering the real-time operational (PV production as well as load consumption) data. In this study, real-time operational data of a residential load (C6 house) with BIPV system located Southern Norway as well as institutional load (Teri university) with BIPV located in New Delhi, India are …

Battery (electricity)business.industry020209 energyPhotovoltaic system02 engineering and technologyEnergy storageAutomotive engineeringInstallationPeak demand0202 electrical engineering electronic engineering information engineeringEnvironmental scienceProduction (economics)ElectricityBuilding-integrated photovoltaicsbusinessEnergy Procedia
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Modelling, simulation and characterization of Li-Ion battery cell

2019

The decarbonizing process of the transportation system and the spread of unplanned renewables energy source, such as photovoltaic and wind energies, brought the constant need of ever more efficient energy storage technologies. Among these technologies, batteries, particularly the li-ion chemistry, are widely used in automotive and energy storage applications. For an optimized management of the cell it is advisable to have models that can accurately describe cell behaviour. In this paper a battery model for performance simulation in automotive application is identified. The main shapes of battery cells with their own advantages and disadvantages are shown, and a roundup of the best available…

Battery (electricity)li-ionbusiness.industryPhotovoltaic systemProcess (computing)Automotive industrymodelingcellSettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettricisimulationEnergy storageAutomotive engineeringRenewable energySettore ING-IND/31 - ElettrotecnicabatterycharacterizationbusinessEnergy sourceEfficient energy use2019 IEEE 5th International forum on Research and Technology for Society and Industry (RTSI)
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Exact Closed-Form Expressions for the Distribution, the Level-Crossing Rate, and the Average Duration of Fades of the Capacity of OSTBC-MIMO Channels

2009

Article from the journal: IEEE Transactions on Vehicular Technology Official site: http://dx.doi.org/10.1109/TVT.2008.927038 This paper deals with some important statistical properties of the channel capacity of multiple-input-multiple-output (MIMO) systems with orthogonal space-time block code (OSTBC) transmission. We assume that all the subchannels are uncorrelated. For OSTBC-MIMO systems, exact closed-form expressions are derived for the probability density function (PDF), the cumulative distribution function (CDF), the level-crossing rate (LCR), and the average duration of fades (ADF) of the channel capacity. Furthermore, it will be shown that these exact closed-form expressions can be …

Block codeComputer Networks and CommunicationsCumulative distribution functionMIMOAerospace EngineeringProbability density functionChannel capacitysymbols.namesakeControl theoryVDP::Technology: 500::Information and communication technology: 550::Telecommunication: 552Automotive EngineeringsymbolsApplied mathematicsProbability distributionFadingElectrical and Electronic EngineeringGaussian processComputer Science::Information TheoryMathematicsIEEE Transactions on Vehicular Technology
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Automotive Brushless Motor Powered by Fuel Cell

2014

Brushless motorsComputer sciencebusiness.industryAutomotive industryFuel cellsControl engineeringAC motor drives Brushless motor automotive simulation fuel cell.Settore ING-IND/32 - Convertitori Macchine E Azionamenti ElettricibusinessAC motorAutomotive engineering
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Investigating energy saving potential in a big shopping center through ventilation control

2019

Abstract This paper investigates energy saving measures for the ventilation system of large shopping centers. This kind of buildings is characterized by high yearly energy consumptions, because of the high level of operating hours and the frequent use of obsolete technologies. In the analyzed case studies, three big Do It Yourself (DIY) shops, located in Italy, are considered. Two different approaches are considered, they are aimed at reducing the annual energy consumption for the indoor air exchange of the sales area. The first considered retrofit solution consists in the installation of heat recovery exchangers, reducing the energy demand for the air thermal treatment without changing the…

Buildings Energy savingGeography Planning and DevelopmentAirflow0211 other engineering and technologiesTransportation02 engineering and technology010501 environmental sciences01 natural sciencesAutomotive engineeringlaw.inventionVentilation controlIndoor air qualitylawHeat recovery ventilationVentilation control021108 energyShopping centerIndoor air qualityAir quality index0105 earth and related environmental sciencesCivil and Structural EngineeringSettore ING-IND/11 - Fisica Tecnica AmbientaleRenewable Energy Sustainability and the EnvironmentEnergy consumptionSettore ING-IND/33 - Sistemi Elettrici Per L'EnergiaVentilation (architecture)Environmental scienceEnergy (signal processing)
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A qualitative study on the role of the built environment for short walking trips

2015

The present study uses a qualitative approach with the aim to identify built environmental factors influencing short walking distances for transportation among adults (18-65 years), with special attention to micro-scale attributes. Three focus groups were held in Valencia (Spain) and conducted with participants who undertook, at least once a week, one short non-shopping trip in any travel mode (were "short trip" is defined as less than 3045 min walking distance). A thematic analysis of the data was performed and six categories of factors emerged related to the built environment. Factors were also classified as either barriers to walking, or secondary factors related to the attractiveness of…

Built environmentEngineeringbusiness.industryHuman factors and ergonomicsPoison controlTransportationWalkingPedestrianPedestrianFocus groupFocus groupINGENIERIA E INFRAESTRUCTURA DE LOS TRANSPORTESTransport engineeringTravel behaviorAutomotive EngineeringMode choiceThematic analysisMode choicebusinessShort tripApplied PsychologyBuilt environmentCivil and Structural EngineeringTransportation Research Part F: Traffic Psychology and Behaviour
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Two -methods to generate Bézier surfaces from the boundary

2009

Two methods to generate tensor-product Bezier surface patches from their boundary curves and with tangent conditions along them are presented. The first one is based on the tetraharmonic equation: we show the existence and uniqueness of the solution of @D^4x->=0 with prescribed boundary and adjacent to the boundary control points of a nxn Bezier surface. The second one is based on the nonhomogeneous biharmonic equation @D^2x->=p, where p could be understood as a vectorial load adapted to the C^1-boundary conditions.

Bézier surfaceMathematical analysisAerospace EngineeringBoundary (topology)TangentGeometryMixed boundary conditionBiharmonic Bézier surfaceComputer Graphics and Computer-Aided DesignComputer Science::GraphicsModeling and SimulationAutomotive EngineeringBiharmonic equationUniquenessBoundary value problemMathematicsComputer Aided Geometric Design
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Bézier surfaces of minimal area: The Dirichlet approach

2004

The Plateau-Bezier problem consists in finding the Bezier surface with minimal area from among all Bezier surfaces with prescribed border. An approximation to the solution of the Plateau-Bezier problem is obtained by replacing the area functional with the Dirichlet functional. Some comparisons between Dirichlet extremals and Bezier surfaces obtained by the use of masks related with minimal surfaces are studied.

Bézier surfacePure mathematicsMinimal surfaceAerospace EngineeringBézier curveComputer Science::Computational GeometryTopologyComputer Graphics and Computer-Aided DesignDirichlet distributionsymbols.namesakeComputer Science::GraphicsModeling and SimulationComputer Science::MultimediaAutomotive EngineeringsymbolsMathematicsComputer Aided Geometric Design
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Are drivers’ attentional lapses associated with the functioning of the neurocognitive attentional networks and with cognitive failure in everyday lif…

2013

Abstract Driver distraction and inattention are considered among the major contributing factors in road traffic crashes. One of the most widely used tools to study drivers’ attentional lapses and other types of aberrant behaviour is the Driver Behaviour Questionnaire (DBQ). In the present work, further evidence of the feasibility of the DBQ to study driver inattention is provided. The relationships between the DBQ and both a computer-based neurocognitive test on attentional performance (the Attention Network Test for Interactions and Vigilance, ANTI-V) and a self-reported measure of cognitive failure (the Cognitive Failures Questionnaire, CFQ) are analysed. Results show that attentional lap…

CFQmedia_common.quotation_subjectHuman factors and ergonomicsPoison controlTransportationCognitionDevelopmental psychologyDistractionAutomotive EngineeringInjury preventionPsychologyNeurocognitiveApplied PsychologyCivil and Structural EngineeringCognitive psychologyVigilance (psychology)media_commonTransportation Research Part F: Traffic Psychology and Behaviour
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Role of genetic factors on the effect of additional loading doses and two maintenance doses used to overcome clopidogrel hyporesponsiveness.

2014

Background and objective: Additional loading doses and higher maintenance doses (MDs) have been used to overcome hyporesponsiveness of clopidogrel. We aimed to investigate whether genetic polymorphisms of two cytochromes (CYP2C19 and CYP2C9) and ABCB1 modify effect of such dose-adjustment strategy.Materials and methods: We enrolled 118 patients undergoing elective or acute percutaneous coronary intervention (PCI) with drug eluting stent (DES). Platelet reactivity index (PRI) was measured using the vasodilator-stimulated phosphoprotein (VASP) index and a cut-off value of ≥60% was defined as hyporesponsiveness. Polymorphism of two cytochromes (CYP2C19, CYP2C9) and gene ABCB1 were determined. …

CYP2C9MaleMedicine (General)ATP Binding Cassette Transporter Subfamily BTiclopidinemedicine.medical_treatmentCYP2C19PharmacologyR5-920Percutaneous Coronary InterventionmedicinePotencyHumansProspective StudiesCYP2C19AlleleCYP2C9AllelesAgedCytochrome P-450 CYP2C9Medicine(all)Polymorphism GeneticDose-Response Relationship Drugbusiness.industryClopidogrel resistanceMicrofilament ProteinsPercutaneous coronary interventionABCB1Drug-Eluting StentsVASPMiddle AgedClopidogrelPhosphoproteinsClopidogrelCytochrome P-450 CYP2C19Drug-eluting stentPharmacogeneticsAutomotive EngineeringConventional PCIFemalebusinessCell Adhesion MoleculesPlatelet Aggregation InhibitorsClopidogrel resistance; VASP; CYP2C19; ABCB1; CYP2C9medicine.drugMedicina (Kaunas, Lithuania)
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