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An Innovative Energy Harvesting Shock Absorber System for Motorbikes
(IEEE, 2022)
This article presents an innovative energy recovery shock absorber system for motorcycles. The shock absorber is named synchronous pulley - energy harvesting shock absorber (SP-EHSA). The SP-EHSA is the first system ...
Different approaches for the detection of SSH anomalous connections
(Oxford Academic, 2016)
The Secure Shell Protocol (SSH) is a well-known standard protocol, mainly used for remotely accessing shell accounts on Unix-like operating systems to perform administrative tasks. As a result, the SSH service has been an ...
Surface topography irregularities generated by broaching
(Elsevier Ltd., 2022)
Surface topography irregularities generated by broaching are analysed. Experimental tests were carried out on three workpiece materials: AISI 1045, Ti-6Al-4V, and Inconel 718, varying the cutting speed, rise per tooth, and ...
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 ...
First-year university students entrepreneurial competence: Exploring the relationship between grit, creative self-efficacy and entrepreneurial self-efficacy
(Universitat Politècnica de València, 2021)
Grit, creative self-efficacy and entrepreneurial self-efficacy have been
associated with the development of entrepreneurial behaviours that can
prepare students for a rapidly changing world of work. The main purpose ...
Contact pressure and sliding velocity ranges in sheet metal forming simulations
(2021)
In the last few years many efforts have been carried out in order to better understand what the real contact between material and tools is. Based on the better understanding new friction models have been developed which ...
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 ...
A Controlled Thermoalgesic Stimulation Device for Exploring Novel Pain Perception Biomarkers
(IEEE, 2021)
Objective: To develop a new device for identifying physiological markers of pain perception by reading the brain's electrical activity and hemodynamic interactions while applying thermoalgesic stimulation. Methods: We ...
Reactive power limits of Cascaded H-Bridge STATCOMs in star and delta configuration under negative-sequence current withstanding
(Elsevier Ltd., 2022)
Flexible AC Transmission System devices (FATCS) and in particular Static Synchronous Compensators (STATCOM) play a key role in the evolution of the modern power grids to the future smart grids. The STATCOM is used in an ...
Petri net-based semi-compiled code generation for programmable logic controllers
(MDPI, 2021)
Industrial discrete event dynamic systems (DEDSs) are commonly modeled by means of Petri nets (PNs). PNs have the capability to model behaviors such as concurrency, synchronization, and resource sharing, compared to a step ...
A Cost-Effective Directional Millimeter-Wave Channel Sounder for 60 GHz Industrial Wireless Communications
(IEEE, 2022)
The millimeter-wave (mmWave) bands contain some properties that can be key enablers for future wireless communications in industrial scenarios, but, despite the potential this new medium presents, very few efforts have ...
Module-Level Modelling Approach for a Cloudbased Digital Twin Platform for Li-Ion Batteries
(IEEE, 2022)
The pursue of the new increasingly intelligent, and heavier state estimation algorithms requires a significant amount of data and computing power, which may challenge their deployment in current BMS solutions. To address ...
Reactive Power Limits of Single-Phase and Three-Phase DC-Link VSC STATCOMs under Negative-Sequence Voltage and Current
(IEEE, 2021)
This paper analyzes and compares the reactive power limits of single- and three-phase configured dc-link Voltage Source Converter (VSC) structures for Static Synchronous Compensator (STATCOM) to operate with negative-sequence ...
skrl: Modular and Flexible Library for Reinforcement Learning
(ArXiv, 2022)
skrl is an open-source modular library for reinforcement learning written in Python and designed with a focus on readability, simplicity, and transparency of algorithm implementations. Apart from supporting environments ...
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 ...
State of the art of small wind energy analysing different controlsEstado del arte de la energía minieólica analizando diferentes controles
(Dyna, 2022)
Existen dos topologías de aerogeneradores según el eje de giro: eje horizontal, "Horizontal Axis Wind turbines" (HAWT) y de eje vertical, "Vertical Axis Wind Turbines" (VAWT) [2]. Las turbinas HAWT son empleadas para ...
Diferencia en las percepciones sobre las prácticas de gestión de personas entre mano de obra directa e indirecta. Estudio de caso de una cooperativa de MONDRAGON
(Universidad Complutense de Madrid, 2022)
El principal objetivo de la presente investigación es analizar, basándose en la teoría AMO, las diferencias en las percepciones de las personas trabajadoras de mano de obra directa e indirecta con respecto a las prácticas ...
Surface roughness assessment on hole drilled through the identification and clustering of relevant external and internal signal statistical features
(Elsevier, 2022)
Drilling is a continuous cutting process where two or more cutting edges remove the material, to obtain the desired feature. During the chip evacuation, it generally rubs against the generated surface. Thus, the roughness ...
Study of alternatives and experimental validation for predictions of hole-edge fatigue crack growth in 42CrMo4 steel
(Elsevier, 2018)
The objective of this work is to establish pertinent criteria allowing an optimal alternative to be chosen for calculating the inputs needed to make Run/Repair/Replace decisions and to program inspection plans for cracked ...
Robustness of inventory replenishment and customer selection policies for the dynamic and stochastic inventory-routing problemRobustness of inventory replenishment policies and client selection methods for the stochastic and dynamic inventory-routing problem
(Elsevier, 2016)
When inventory management, distribution and routing decisions are determined simultaneously, implementing a vendor-managed inventory strategy, a difficult combinatorial optimization problem must be solved to determine which ...