Listar ESID_Articles por título
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Parallel laser micromachining based on diffractive optical elements with dispersion compensated femtosecond pulses
Optical Society of America (2013)We experimentally demonstrate multi-beam high spatial resolution laser micromachining with femtosecond pulses. The effects of chromatic aberrations as well as pulse stretching on the material processed due to diffraction ... -
Parameter estimation of squirrel-cage motors with parasitic torques in the torque-slip curve
Institution of Engineering and Technology (2015)This paper studies parasitic torques in steady-state torque-slip curves of squirrel-cage induction motors. The curves of nine motors (small, medium and large size units), three of which were measured in the range s = 2 ... -
Parameter estimation of wound rotor induction motors from transient measurements
IEEE Power & Energy Society (2014-06)A new method for determination of the steadystate equivalent circuit parameters of wound rotor induction motors using experimental starting transient measurements is presented. The algorithm data are the stator currents ... -
Performance of NiCrAlY Coatings Deposited by Oxyfuel Thermal Spraying in High Temperature Chlorine Environment
Springer Verlag (2014-10)A microcrystalline Ni-22Cr-10Al-1Y (wt.%) coating was deposited on AISI 304 stainless steel by the oxyfuel thermal spray technique. The deposited coating was subjected to heat treatment to improve the microstructure ... -
Performance Tradeoffs for Networked Jump Observer-Based Fault Diagnosis
Institute of Electrical and Electronics Engineers (IEEE) (2015-04)Print Request Permissions In this paper, we address the fault diagnosis problem for discrete-time multi-sensor systems over communication networks with measurement dropouts. We use the measurement outcomes to model the ... -
Performance, robustness and noise amplification trade-offs in Disturbance Observer Control design
Elsevier (2022-03-11)In this work, we propose a Disturbance Observer (DOB) with a low pass filter with a single tuning parameter. The DOB can be added to a standard PI controller that is assumed to be controlling the system. Our DOB design can ... -
Performance-based design of PI observers for fault diagnosis in LTI systems under Gaussian noises
IEEE (2016)This work addresses the fault diagnosis problem for LTI systems under the presence of Gaussian noises through model-based proportional-integral observers with predefined gains. We propose an integrated design of residual ... -
PHBV/TPU/cellulose compounds for compostable injection molded parts with improved thermal and mechanical performance
Wiley (2018-11)Poly(hydroxybutyrate-co-valerate) (PHBV) is a biopolymer that has gained a lot of attention because of its biodegradability, good thermal resistance, and balanced mechanical properties with respect to some commodity ... -
PI and PID auto-tuning procedure based on simplified single parameter optimization
Elsevier (2011)In this paper a new auto-tuning algorithm for PI and PID controllers based on relay experiments is proposed to minimize the load disturbance integral error (IE) by maximizing the integral gain, subject to a desired phase ... -
Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate)/ Purifi ed Cellulose Fiber Composites by Melt Blending: Characterization and Degradation in Composting Conditions
Tech Science Press (2016)Novel biodegradable composites based on poly(3-hydroxybutirate-co-3-hydroxyvalerate) (PHBV) and different contents of purifi ed alpha-cellulose fi bers (3, 10, 25 and 45%) were prepared by melt blending and characterized. ... -
Polynomial Fuzzy Models for Nonlinear Control: A Taylor Series Approach
Institute of Electrical and Electronics Engineers (IEEE) (2009-12)Classical Takagi-Sugeno (T-S) fuzzy models are formed by convex combinations of linear consequent local models. Such fuzzy models can be obtained from nonlinear first-principle equations by the well-known sector-nonlinearity ... -
Polytopic invariant and contractive sets for closed-loop discrete fuzzy systems
Elsevier (2014)In this work a procedure for obtaining polytopic λ-contractive sets for Takagi-Sugeno fuzzy systems is presented, adapting well-known algorithms from literature on discrete-time linear difference inclusions (LDI) to ... -
Positive-Net-Damping Stability Criterion in Grid-Connected VSC Systems
Institute of Electrical and Electronics Engineers (IEEE) (2017-05)Resonance instabilities in power systems can be assessed with the positive-net-damping stability criterion. This criterion is a review of the complex torque coefficients method but it does not provide the frequency of the ... -
Post-processing optimization of electrospun submicron poly(3-hydroxybutyrate) fibers to obtain continuous films of interest in food packaging applications
Taylor & Francis (2017-08-08)Polyhydroxyalkanoates (PHAs) are one of the most researched family of biodegradable polymers based on renewable materials due to their thermoplastic nature and moisture resistance. The present study was targeted to investigate ... -
Power factor improvement in a solid–liquid thermoelectric system formed by Sb:SnO2 in contact with a chromium complex solution
Royal Society of Chemistry (2023)Thermoelectric (TE) materials can convert heat into electricity. Good TE materials should have high power factors (PF) and low thermal conductivities. PF = S2σ is governed by the Seebeck coefficient S and the electrical ... -
Power management strategies and energy storage needs to increase the operability of photovoltaic plants
American Institute of Physics (2012)This paper analyzes the effect of introducing an energy storage (ES) system in an intermittent renewable energy power plant such as a photovoltaic (PV) installation. The aim of this integration is to achieve an improvement ... -
Prácticas artísticas en la época del dataceno. Data Biography: rastros digitales para la exploración biográfica de la identidad personal
Universitat Oberta de Catalunya (2019)Cada vez más detalles de nuestra vida son registrados y almacenados para formar parte de lo que ha venido a llamarse big data. Nuestra vida, en todos sus aspectos, deja un rastro digital que se actualiza continuamente ... -
Predictive Power Control for PV Plants With Energy Storage
Institute of Electrical and Electronics Engineers (IEEE) (2013)This work presents a model predictive control (MPC) approach to manage in real-time the energy generated by a grid-tied photovoltaic (PV) power plant with energy storage (ES), optimizing its economic revenue. This MPC ... -
Prensado, con métodos de la cerámica plana, de piezas cerámicas curvas con especificaciones geométricas de elevada precisión
Sociedad Española de Cerámica y Vidrio (2012-03)In order to obtain high-precision three-dimensional pieces by dry pressing, two approaches were studied: modelling the material flow and strain during pressing; and evaluating the bulk density (Da) distribution in a pressed ... -
Preparation and Characterization of Electrospun Food Biopackaging Films of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Derived From Fruit Pulp Biowaste
Frontiers Media (2018-07)In the present study, circular economy based and potentiall y low-cost poly(3-hydroxybutyrate- co -3-hydroxyvalerate) (PHBV) was produced by mixed microbia l cultures derived from fruit pulp, an industrial ...