Ingeniería eléctrica
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Robustness/performance tradeoff for anisochronic plants with two degrees of freedom PID controllers
(2015)In this paper, the anisochronic model (which is able to represent both over-damped and under-damped process with the same topology) is used for the tuning of PI and PID controllers. The relationship between robustness and ... -
Fractional order model identification: Computational optimization
(2015-10-26)This paper deals with the identification of fractional models with one fractional parameter. This kind of models are capable to represent an extensive range of dynamics, including overdamped and oscillatory behaviors. The ... -
Development of an alternative procedure to verify “in situ” volumetric diaphragm type gas meters for residential use
(2015-09-21)Cet article montre les performances métrologiques du compteur de gaz portatif mis au point pour les mesures de volume dans le domaine, quand il fonctionne à différentes conditions à l'obtention du diplôme, mais similaires ... -
Análisis Metodológico Para La Comparación De Precios De La Electricidad entre Costa Rica y Sus Principales Socios Comerciales Americanos
(2017-12)El análisis comparativo de los precios de la electricidad es un tema central en las discusiones sobre competitividad y el Sistema Eléctrico Costarricense. Este trabajo se propone aportar elementos de análisis para tales ... -
Multi-objective optimal tuning of two degrees of freedom PID controllers using the ENNC method
(2016-10-13)In this paper the Enhanced Normalized Normal Constrained method is applied to find the optimal tuning of second order PID controllers. This tuning takes into account both the servo and regulatory modes simultaneously, as ... -
A comparison of bio-inspired optimization methodologies applied to the tuning of industrial controllers
(2016-11-09)A comparison of different bio-inspired methods is presented for the problem of tuning the parameters of a PID industrial controller for second order plus time delay plants. The compared algorithms are representative of ... -
Integration of Open Source Tools for Studying Large-Scale Distribution Networks
(2017)The penetration of Low Carbon Technologies (LCTs) is expected to increase in the near future given the attractive incentives from governments, the cost-effectiveness of the technologies and the appearance of Smart Grid ... -
Estimation of Lost Voltage Measurements in Distribution Networks
(2014-09-08)This paper presents an algorithm to estimate lost bus voltage measurements in balanced distribution networks regulated by centralized control schemes. The objective is to feed controllers with reliable estimations of lost ... -
Reactive Power Limits in Distributed Generators from Generic Capability Curves
(2014-07-27)This paper presents a generic trapezoid-type capability curve for any distributed generation technology. This curve is used to estimate the machine reactive power limits in terms of the actual active power and terminal ... -
Distribution Network Model Builder for OpenDSS in Open Source GIS Software
(2016-09-21)This paper presents a tool to automatically generate distribution network models for the power engineering software OpenDSS. The tool was developed in a free and open source Geographical Information System (GIS) software ... -
A risk-based methodology for defining the time of intentional controlled islanding
(2015-10-05)Power systems are operated close to their stability limits and this increases the probability of cascading outages leading to large-area blackouts. To mitigate these phenomena, intentional controlled islanding (ICI) has ... -
OpenDSS-Based Distribution Network Analyzer in Open Source GIS Environment
(2016-09-21)The adoption of low carbon technologies (e.g., photovoltaic systems) is expected to increase in the near future given their contribution to reduce greenhouse gas emissions. However, high penetrations of these new technologies ...
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