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Displaying 1-17 out of 17 total
Distributed, Agent-Based Intelligent System for Demand Response Program Simulation in Smart Grids
Found in: IEEE Intelligent Systems
By Luis Gomes,Pedro Faria,Hugo Morais,Zita Vale,Carlos Ramos
Issue Date:January 2014
pp. 56-65
A distributed, agent-based intelligent system models and simulates a smart grid using physical players and computationally simulated agents. The proposed system can assess the impact of demand response programs.
 
Metalearner Based on Dynamic Neural Network for Strategic Bidding in Electricity Markets
Found in: 2013 24th International Workshop on Database and Expert Systems Applications (DEXA)
By Tiago Pinto,Tiago M. Sousa,Elisa Barreira,Isabel Praca,Zita Vale
Issue Date:August 2013
pp. 184-188
The restructuring of electricity markets, conducted to increase the competition in this sector, and decrease the electricity prices, brought with it an enormous increase in the complexity of the considered mechanisms. The electricity market became a comple...
 
Electricity Markets Portfolio Optimization Using a Particle Swarm Approach
Found in: 2013 24th International Workshop on Database and Expert Systems Applications (DEXA)
By Nuno Guedes,Tiago Pinto,Zita Vale,Tiago M. Sousa,Tiago Sousa
Issue Date:August 2013
pp. 199-203
Energy systems worldwide are complex and challenging environments. Multi-agent based simulation platforms are increasing at a high rate, as they show to be a good option to study many issues related to these systems, as well as the involved players at act ...
 
Demand Response Management in Power Systems Using Particle Swarm Optimization
Found in: IEEE Intelligent Systems
By Pedro Faria,Zita Vale,Joao Soares,Judite Ferreira
Issue Date:July 2013
pp. 43-51
Price-based demand response is applied to electric power systems. Demand elasticity and consumer response enables load reduction. The methodology is implemented in the DemSi demand response simulator.
 
Multilevel Negotiation in Smart Grids for VPP Management of Distributed Resources
Found in: IEEE Intelligent Systems
By Hugo Morais,Tiago Pinto,Zita Vale,Isabel Praça
Issue Date:November 2012
pp. 8-16
A multilevel negotiation mechanism for operating smart grids and negotiating in electricity markets considers the advantages of virtual power player managemen.
 
Remuneration and Tariffs in the Context of Virtual Power Players
Found in: 2012 23rd International Workshop on Database and Expert Systems Applications (DEXA)
By Catarina Ribeiro,Tiago Pinto,Zita Vale
Issue Date:September 2012
pp. 308-312
Power systems have been through deep changes in recent years, namely with the operation of competitive electricity markets in the scope and the increasingly intensive use of renewable energy sources and distributed generation. This requires new business mo...
 
Multi-agent Simulation of Continental, Regional, and Micro Electricity Markets
Found in: 2012 23rd International Workshop on Database and Expert Systems Applications (DEXA)
By Gabriel Santos,Tiago Pinto,Hugo Morais,Zita Vale,Isabel Praca
Issue Date:September 2012
pp. 331-335
Renewable based power generation has significantly increased over the last years. However, this process has evolved separately from electricity markets, leading to an inadequacy of the present market models to cope with huge quantities of renewable energy ...
 
Contexts-Management Strategy in Considering the Security in Urban Computing Based on Urban Design
Found in: Innovative Mobile and Internet Services in Ubiquitous Computing, International Conference on
By Hoon Ko, Goreti Marreiros, Kyung-jin An, Zita Vale, Tai-hoon Kim, Jong-Myoung Choi
Issue Date:July 2011
pp. 65-72
Urban Computing (UrC) provides users with the situation-proper information by considering context of users, devices, and social and physical environment in urban life. With social network services, UrC makes it possible for people with common interests to ...
 
A Data-Mining-Based Methodology for Transmission Expansion Planning
Found in: IEEE Intelligent Systems
By Judite Ferreira, Sérgio Ramos, Zita Vale, João Soares
Issue Date:March 2011
pp. 28-37
<p>Analyzing electrical and economical locational marginal pricing (LMP) values can help operators in the electric power sector plan future investments and network expansion.</p>
 
MASCEM: Electricity Markets Simulation with Strategic Agents
Found in: IEEE Intelligent Systems
By Zita Vale, Tiago Pinto, Isabel Praça, Hugo Morais
Issue Date:March 2011
pp. 9-17
<p>MASCEM uses reinforcement learning algorithms to provide players with strategic capabilities in electricity markets, helping them react to the dynamic environment and adapt their bids accordingly.</p>
 
Training Control Centers' Operators in Incident Diagnosis and Power Restoration Using Intelligent Tutoring Systems
Found in: IEEE Transactions on Learning Technologies
By Luiz Faria, António Silva, Zita Vale, Albino Marques
Issue Date:April 2009
pp. 135-147
The activity of Control Center operators is important to guarantee the effective performance of Power Systems. Operators' actions are crucial to deal with incidents, especially severe faults like blackouts. In this paper, we present an Intelligent Tutoring...
 
Learning Business Strategies for Competitive Electronic Marketplaces
Found in: Advanced Information Networking and Applications Workshops, International Conference on
By Isabel Praca, Maria Joao Viamonte, Carlos Ramos, Zita Vale
Issue Date:May 2007
pp. 611-616
This paper presents a Multi-Agent Market simulator designed for developing new agent market strategies based on a complete understanding of buyer and seller behaviors, preference models and pricing algorithms, considering user risk preferences and game the...
 
Decision Making in an Agent-based Marketplace
Found in: Computational Intelligence for Modelling, Control and Automation, International Conference on
By Maria Joao Viamonte, Isabel Praca, Carlos Ramos, Zita Vale
Issue Date:December 2006
pp. 30
<p>This paper presents a Multi-Agent Market simulator designed for analyzing agent market strategies based on a complete understanding of buyer and seller behaviors, preference models and pricing algorithms, considering user risk preferences and game...
 
Mascem: A Multiagent System That Simulates Competitive Electricity Markets
Found in: IEEE Intelligent Systems
By Isabel Praca, Carlos Ramos, Zita Vale, Manuel Cordeiro
Issue Date:November 2003
pp. 54-60
<p>As electric utility systems around the world continue to move towards open, competitive markets, new players, new rules, and new behavior will keep emerging. Competition not only increases the number of players in the electricity business but also...
 
A New Agent-based Framework for the Simulation of Electricity Markets
Found in: Intelligent Agent Technology, IEEE / WIC / ACM International Conference on
By Isabel Praça, Carlos Ramos, Zita Vale, Manuel Cordeiro
Issue Date:October 2003
pp. 469
As electric utility systems around the world continue to move towards open, competitive markets, the need for new modelling techniques will become more obvious. To study electricity markets behaviour and evolution we propose a multi-agent simulator where a...
 
Sparse: An Intelligent Alarm Processor and Operator Assistant
Found in: IEEE Intelligent Systems
By Zita A. Vale, A. Machado e Moura, M. Fernanda Fernandes, Albino Marques, Couto Rosado, Carlos Ramos
Issue Date:May 1997
pp. 86-93
<p>The Sparse intelligent alarm processor helps operators at power system control centers to rapidly interpret enormous quantities of alarm messages during incidents (for example, short circuits in transmission lines). Operators have been using Spars...
 
VERITAS ? An Application for Knowledge Verification
Found in: Tools with Artificial Intelligence, IEEE International Conference on
By Jorge Santos, Carlos Ramos, Zita A. Vale, Albino Marques
Issue Date:November 1999
pp. 441
Knowledge Management is one of the most important goals of any organization. Therefore, several automatic tools are used for that purpose, e.g. Knowledge Based Systems (KBS), Experts Systems, Data Mining Applications and Computer Aided Decision Systems. Th...
 
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