Now showing items 1-20 of 86

    • A literature review of IoT energy platforms aimed at end users 

      Martín Lopo, Miguel Manuel; Boal Martín-Larrauri, Jaime; Sánchez Miralles, Alvaro (22/04/2020)
      The rising interest in connecting everything to the Internet has not gone unnoticed in the energy sector. New actors that aim to remotely monitor and control home devices such as heating, ventilation and air conditioning ...
    • A literature review of microgrids: a functional layer based classification 

      Martín Martínez, Francisco; Sánchez Miralles, Alvaro; Rivier Abbad, Michel Luis (01/09/2016)
      Operation of distributed energy resources and resilience related problems are becoming of most importance in the pursuit for a more sustainable electricity delivery. Microgrids (MGs) could contribute significantly to both ...
    • A neural-based model for fast continuous and global robot location 

      Sánchez Miralles, Alvaro; Sanz Bobi, Miguel Ángel (01/07/2006)
      One of the problems in the field of mobile robotics is the estimation of the robot position in an environment. This paper proposes a model for estimating a confidence interval of the robot position in order to compare it ...
    • A reference network model for large-scale distribution planning with automatic street map generation 

      Mateo Domingo, Carlos; Gómez San Román, Tomás; Sánchez Miralles, Alvaro; Peco González, Jesús Pascual; Candela Martínez, Antonio (01/02/2011)
      A Reference Network Model (RNM) is a large-scale distribution planning tool that can help regulators to estimate efficient costs in the context of incentive regulation applied to distribution companies. This paper presents ...
    • Abnormal behavior detection using dominant sets 

      Alvar Miró, Manuel; Torsello, Andrea; Sánchez Miralles, Alvaro; Armingol Moreno, José Mª (01/07/2014)
      Smart surveillance systems are increasingly being used to detect potentially dangerous situations. To do so, the common and easier way is to model normal human behaviors and consider as abnormal any new strange behavior ...
    • An algorithm for querying incomplete cubes in multidimensional models 

      Sánchez Miralles, Alvaro; Dapena Bosquet, Isabel Luisa; Muñoz San Roque, Antonio; Villar Collado, José; García González, Javier
      On-Line Analytical Processing is an emerging technology due to the development of decision-support applications and computing multidimensional aggregations is the main data manipulation in OLAP applications. This paper ...
    • Assessing low voltage network constraints in distributed energy resources planning 

      Calvillo, Christian; Sánchez Miralles, Alvaro; Villar Collado, José (01/05/2015)
      Many efforts are being devoted towards achieving optimal planning and operation of DER (Distributed Energy Resources). However, during the planning process, not all relevant thermal constraints of the distribution network ...
    • Boiler inlet duct shape design optimization for combined cycle power plants 

      Prada y Nogueira, Isaac; Álvarez Ruiz, Francisco J.; Cuadra García, Fernando; Sánchez Miralles, Alvaro (01/09/2017)
      A particular kind of industrial boilers, referred to as Heat Recovery Steam Generators (HRSGs), are used in combined cycle power plants to recover part of the heat of the exhaust gases of a gas turbine to generate steam ...
    • Business models towards the effective integration of electric vehicles in the grid 

      Sánchez Miralles, Alvaro; Gómez San Román, Tomás; Fernández Fernández, Ismael Jaime; Calvillo, Christian (24/10/2014)
      To achieve an effective integration of the electric vehicle in the grid, not only technical issues must be solved, but also a new regulatory context and business models must be proposed. This paper proposes two electric ...
    • Capacity fade and aging models for electric batteries and optimal charging strategy for electric vehicles 

      Fernández Fernández, Ismael Jaime; Calvillo, Christian; Sánchez Miralles, Alvaro; Boal Martín-Larrauri, Jaime (01/10/2013)
      Due to the increasing concern for energy efficient storage devices, extensive research is being done on the mechanisms which are involved in the battery degradation process. Optimality in electric vehicle energy management ...
    • Centralized vs distributed generation. A model to assess the relevance of some thermal and electric factors. Application to the Spanish case study 

      Martín Martínez, Francisco; Sánchez Miralles, Alvaro; Rivier Abbad, Michel Luis; Calvillo, Christian
      Deployment of Distributed Energy Resources (DER) in electrical networks is full of controversies. Advantages of DER have been largely addressed in the literature. Original reasons for centralized paradigm and the problems ...
    • Centralized vs distributed generation. A model to assess the relevance of some thermal and electric factors. Application to the Spanish case study. 

      Martín Martínez, Francisco; Sánchez Miralles, Alvaro; Rivier Abbad, Michel Luis; Calvillo, Christian (01/09/2017)
      Deployment of Distributed Energy Resources (DER) is already a reality for electricity supply and the debate whether distributed generation is going to replace almost totally or partially the current centralized generation ...
    • Control de un vehículo autoguiado a través de un PC 

      Sánchez Miralles, Alvaro; Alonso Ozalla, G. (01/01/2001)
      Este artículo describe las bases para implantar un sistema de control en un vehículo autoguiado (AGV), realizado en el laboratorio del Instituto de Investigación Tecnológica de la Universidad Pontificia Comillas. El sistema ...
    • Cost-benefit analysis of battery storage in medium voltage distribution networks 

      Mateo Domingo, Carlos; Rodríguez Calvo, Andrea; Reneses Guillén, Javier; Frías Marín, Pablo; Sánchez Miralles, Alvaro (18/02/2016)
      The increasing deployment of non-dispatchable generation in electric systems where generation and demand must be balanced at all times has led to a renewed interest in technologies for energy storage. This paper presents ...
    • Diseño de un vehículo autoguiado utilizando un ordenador personal 

      Sánchez Miralles, Alvaro; Alonso Ozalla, G. (01/11/2000)
      Este artículo describe el vehículo autoguiado (AGV), realizado en el laboratorio del Instituto de Investigación Tecnológica de la Universidad Pontificia de Comillas. Este vehículo se ha realizado con el objetivo de minimizar ...
    • Distributed energy generation in smart cities 

      Calvillo, Christian; Sánchez Miralles, Alvaro; Villar Collado, José (Universidad Pontificia Comillas; International Journal of Renewable Energy Research (Madrid, España), 20/10/2013)
      The smart city is a sustainable and efficient urban center that provides high quality of life to its inhabitants with an optimal management of its resources, where clean and cost effective energy generation is a key issue. ...
    • Distribution planning with hourly profiles for analysing electric vehicle charging strategies 

      Mateo Domingo, Carlos; Frías Marín, Pablo; Sánchez Miralles, Alvaro (09/06/2016)
      This paper analyses the impact of plug-in electric vehicles (PEVs) on distribution networks. The reference network model (RNM) is used to model the grids and to carry out sensitivity analysis for several scenarios. The set ...
    • Energy management and planning in smart cities 

      Calvillo, Christian; Sánchez Miralles, Alvaro; Villar Collado, José (01/03/2016)
      A smart city is a sustainable and efficient urban centre that provides a high quality of life to its inhabitants through optimal management of its resources. Energy management is one of the most demanding issues within ...
    • Evaluación objetiva de competencias 

      Sánchez Miralles, Alvaro (01/06/2006)
      Aunque hacer una evaluación objetiva en el sentido estricto es muy complicado, aún lo es más cuando se trata de competencias. En este artículo se propone un método para evaluar competencias que pretende ser lo más objetivo ...
    • Evaluation and optimal scaling of distributed generation systems in a smart city 

      Calvillo, Christian; Sánchez Miralles, Alvaro; Villar Collado, José (Wessex Institute of Technology (UK), Universiti Teknologi MARA (Malaysia) (Putrajaya, Malasia), 03/12/2013)
      Distributed generation (DG) represents an important resource to address relevant energy issues, such as reliability and sustainability, in the current and future smart cities. It is expected that distributed generation ...