Listar Ingeniería eléctrica por título
Mostrando ítems 115-134 de 149
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Physical integration of a photovoltaic-battery system: A thermal analysis
(2017-12-15)Solar-battery systems are still expensive, bulky, and space consuming. To tackle these issues, we propose a novel device that combines all the components of a solar-battery system in one device. This device might help ... -
Physical Integration of PV-Battery System: Advantages, Challenges, and Thermal Model
(2016-04-04)We present a novel approach to physically integrate a PV module, dc/dc converter, dc/ac microinverter and a battery pack. The main advantages and challenges to realize this integration are presented. Since the thermal ... -
Pre-training Long Short-term Memory neural networks for efficient regression in artificial speech postfiltering
(2018)Several attempts to enhance statistical parametric speech synthesis have contemplated deep-learning-based postfilters, which learn to perform a mapping of the synthetic speech parameters to the natural ones, reducing the ... -
Primeras experiencias de colaboración docente entre las carreras de Ingeniería Eléctrica y Educación Especial de la Universidad de Costa Rica, en torno a proyectos de acción social a favor de la población en condición de discapacidad
(2021-10)En el presente artículo se exponen y contextualizan las experiencias de vinculación docente entre las carreras de Educación Especial e Ingeniería Eléctrica en la Universidad de Costa Rica durante el periodo de 2018 a 2020, ... -
Producción artificial de habla: Síntesis de voz
(2015)A finales de la década de los 80, el estadounidense Raymond Kurzweil, inventor del primer sistema comercial que es capaz de tomar texto de un libro y pronunciarlo mediante habla artificial, escribió la obra “La era de las ... -
Pushing cylinders: Expanding on object-based manipulation
(2020-07)Competent assistant robots need to understand their environment to be able to perform skilled manipulation tasks. One way of achieving it is to have knowledge about the physical behaviour of objects and how they respond ... -
PV-Battery Integrated Module as a Solution for Off-Grid Applications in the Developing World
(2018-06-03)The coupling of solar panels and energy storage is inevitable and especially pertinent in places with no access to the electricity grid. This combination must be modular, providing the opportunity to scale up the system ... -
Quantifying the benefits of a solar home system-based DC microgrid for rural electrification
(2019)Off-grid solar home systems (SHSs) currently constitute a major source of providing basic electricity needs in un(der)-electrified regions of the world, with around 73 million households having benefited from off-grid solar ... -
Rastreo de jugadores de fútbol mediante grafos multipartitos utilizando videos de ultra alta definición
(2019-09)Este trabajo describe un algoritmo de rastreo para jugadores de fútbol basado en gráficos multipartitos diseñados para el procesamiento de un gran volumen de datos. El algoritmo propuesto utiliza varias características ... -
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 ... -
Reconstructing fundamental frequency from noisy speech using initialized autoencoders
(2020-10)In this paper, we present a new approach for fundamental frequency (f0) detection in noisy speech, based on Long Short-term Memory Neural Networks (LSTM). f0 is one of the most important parameters of human speech. Its ... -
Resolution improvements on poly(methyl methacrylate) as electron-beam resist
(San José, Costa Rica, 2012-10-23)The present thesis expands the topic of lithographic resolution improvement of poly(methyl methacrylate) (PMMA) as a positive tone electron-beam resist. The investigation used electron-beam lithography (EBL) to define ... -
Review of residential PV-storage architectures
(2016)This paper focuses on the most common PV-storage architectures that are designed for residential applications and that incorporate storage devices like batteries, hydrogen systems, supercapacitors, and flywheels. The main ... -
Robotic architecture design to map an action language to a low level motion commands for skillful manipulation
(2019)This paper gives an overview of a robotic architecture meant for skillful manipulation. This design is meant to close the gap between the high level layer (reasoning and planing layer) and the object model system (physical ... -
Robotic architecture to map an action language to a low level motion commands for skillful manipulation
(2020)This paper gives an overview of a robotic architecture meant for skillful manipulation. This design is meant to close the gap between the high-level layer (reasoning and planing layer) and the object model system (physical ... -
Robust energy system planning for decarbonization under technological uncertainty: From transport electrification to power system investments
(2022-08-25)This work develops energy system modeling tools that identify features of a robust energy policy: a policy that performs well relative to alternatives. The tools are based on the Open Souce Modeling System (OSeMOSYS), are ... -
Robust PI/PID controllers for load disturbance based on direct synthesis
(2018-10)It is recognized that disturbance rejection is much more important than set-point tracking for many process control applications, leading set-point tracking to a secondary level of interest. In this paper a proposal for ... -
Robustness of LSTM neural networks for the enhancement of spectral parameters in noisy speech signals
(2019)In this paper, we carry out a comparative performance analysis of Long Short-term Memory (LSTM) Neural Networks for the task of noise reduction. Recent work in this area has shown the advantages of this kind of network for ...