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Publicações

2025

The Role of Flexibility Markets in Maintenance Scheduling of MV Networks

Autores
Tavares, B; Soares, F; Pereira, J; Gouveia, C;

Publicação
2025 21ST INTERNATIONAL CONFERENCE ON THE EUROPEAN ENERGY MARKET, EEM

Abstract
Flexibility markets are emerging across Europe to improve the efficiency and reliability of distribution networks. This paper presents a methodology that integrates local flexibility markets into network maintenance scheduling, optimizing the process by contracting flexibility to avoid technical issues under the topology defined to operate the network during maintenance. A meta-heuristic approach, Evolutionary Particle Swarm Optimization (EPSO), is used to determine the optimal network topology.

2025

Energy behaviour of selected agri-food business and potential savings from collective self-consumption

Autores
Cruz, F; Faria, AS; Andrade, I; Mello, J; Ribeiro, B; Garcia, A; Villar, J;

Publicação
2025 21ST INTERNATIONAL CONFERENCE ON THE EUROPEAN ENERGY MARKET, EEM

Abstract
Agriculture and energy use are increasingly linked, especially as farms' energy needs grow. Renewable Energy Communities (RECs) help farmers, particularly in remote areas, access affordable surplus energy from other producers, while sellers gain extra revenue. This study focuses on the creation of RECs as a sustainable and economically viable solution for small and medium-sized agribusinesses to address their energy challenges. We explore the complementarities and potential benefits of RECs from the experience learned in the Tools4AgriEnergy project, using RECreation digital platform for the management of RECs. A case study is used, based on the Alqueva region in Portugal with six members that develop different agri-food sector activities. Using tariffs compliant with Portuguese regulations, results indicate that the development of self-consumption activities can achieve significant energy cost savings annually.

2025

Exploring a Quantum Programming Language with Concurrency

Autores
Jain, M; Fernandes, V; Madeira, A; Barbosa, LS;

Publicação
Companion Proceedings of the 9th International Conference on the Art, Science, and Engineering of Programming, Programming 2025, June 2-6, 2025, Prague 1, Czechia

Abstract

2025

SPATA: Systematic Pattern Analysis for Detailed and Transparent Data Cards

Autores
Vitorino, J; Maia, E; Praça, I; Soares, C;

Publicação
CoRR

Abstract

2025

Augmented Reality in Information Design

Autores
Fadel, LM; Coelho, A;

Publicação
ADVANCES IN DESIGN AND DIGITAL COMMUNICATION V, DIGICOM 2024

Abstract
The potential of Augmented Reality (AR) has been harnessed to create immersive game settings, present layers of relevant information in museums, streamline procedures in healthcare and industry, and captivate consumers through innovative marketing strategies. Certain artifacts lend themselves well to representation in AR, especially those requiring a seamless fusion of the information layer with physical space. This integration underscores the suitability of information design artifacts for AR implementation. This study aims to delineate the distinctive attributes of AR in remediating information design, effectively catering to the user's informational needs. To this end, we analyzed the Google Translate app, examining it through the analytical lens of body schema and haptic engagement. The findings reveal that AR manifests as a performative, personalized, crafted image that fosters involvement through agency. The performative nature of the image directs attention, while individual images collectively form a collection. It is recommended that AR design be centered around achieving harmony among body, media, and space.

2025

Enhancing Mobile Robot Navigation: A Graph Decomposition Submodule for TEA*

Autores
Cardoso, F; Matos, DM; Brilhante, M; Costa, P; Sobreira, E; Silva, C;

Publicação
2025 IEEE INTERNATIONAL CONFERENCE ON AUTONOMOUS ROBOT SYSTEMS AND COMPETITIONS, ICARSC

Abstract
Rising industrial complexity demands efficient mobile robots to drive automation and productivity. Effective navigation relies on perception, localization, mapping, path planning, and motion control, with path planning being key. The Time Enhanced A* (TEA*) algorithm extends A* by adding time as a dimension to resolve temporal conflicts in multi-robot coordination. However, inconsistencies in edge lengths within the graph can hinder optimal path calculation. To address this, a Graph Decomposition submodule was developed to standardize edge lengths and temporal costs. Integrated into a ROS-based fleet coordination system, this approach significantly reduces execution time and improves coordination capacity.

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