Bilatu
51-tik 1-10 emaitza erakusten
Analysis of Interleaved Input-Parallel Output-Parallel Dual-Active-Bridge Converter for More Electric Aircraft
(IEEE, 2021)
Dual-Active-Bridge (DAB) converter is one of the most proposed topologies when considering DC/DC bidirectional isolated power conversion. In these applications, the power density of the converter is one of the main ...
Analysis of the Tool Stick-Out Influence on Machining Chatter
(2021)
Increased stability in machining processes is highly desired by all machining industries when vibrations and specially chatter occur. This phenomenon is defined as a self-excited vibration that occurs due to the regeneration ...
Development and experimental validation of a macroscopic analytical model aiming to generate metal-FRP stacks drilling cutting force and torque
(2021)
Composites materials and especially FRP are increasingly employed in many fields of applications (transport, aerospace, …) due to the current trend of improving global energy performances of new designs notably by mass ...
Faktore klimatikoen degradazioaren efektua igogailuetako kable-polea trakzio sistemaren adherentzian
(Tecnalia, 2021)
Igogailuak trakzionatzeko existitzen diren hainbat metodoen artean kable eta polea bidezko trakzio-sistema oso arrunta da. Trakzio-sistema honetan kablearen eta polearen arteko itsaspenak berebiziko garrantzia du, eta ...
Analytical Model of the Current Stress in Active-Bridge Active-Clamp Converter for More Electric Aircraft
(IEEE, 2021)
Nowadays, the emergence of electrically supplied actuators and energy storage systems is leading the aeronautic industry to develop aircrafts with more electrical power installed. Therefore, different Power-Electronic ...
Influences of Cutting Speed and Material Constitutive Models on Chip Formation and their Effects on the Results of Ti6Al4V Orthogonal Cutting Simulation
(2021)
The highly used Ti6Al4V alloy is a well know hard-to-machine material. The modelling of orthogonal cutting process of Ti6Al4V attract the interest of many researchers as it often generates serrated chips. The purpose of ...
Hidrogeno tren baten diseinu eta operazioaren optimizazioa
(UEU, 2021)
This paper proposes an optimization methodology based on genetic algorithms for the design and operation of a hydrogen train. Indeed, the proposed approach optimizes the size of the hydrogen fuel cell, the size of the ...
In-depth Life Cycle Cost Analysis of a Hydrogen Electric Multiple Unit
(IEEE, 2021)
This paper analyses the life cycle costs of railway projects involving hydrogen electric multiple units. The analysis focuses on the interrelation between the selected lithium-ion battery technology, the designed energy ...
Cost-effectiveness of Opportunity Charging in Non-electrified Railway Lines
(IEEE, 2021)
This paper analyses the cost-effectiveness of deploying opportunity charging points in long-distance non-electrified railway lines, which are driven by battery-based hybrid diesel-electric railway vehicles. A study case ...
Genetic Algorithm-based Testing of Industrial Elevators under Passenger Uncertainty
(IEEE, 2021)
Elevators, as other cyber-physical systems, need to deal with uncertainty during their operation due to several factors such as passengers and hardware. Such uncertainties could affect the quality of service promised by ...