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- Management of Resources in Virtual Radio NetworksPublication . Correia, Luís; Caeiro, Luísa; Cardoso, Filipe
- Application of active learning techniques on Electrical Machines course in classroom environment: pedagogical strategy and resultsPublication . Rafael, Silviano; Justino, Júlia
- Fitts’ Evaluation of a Developed Human-in-the-Loop Assistive DevicePublication . Antunes, R. A.; Palma, Luís BritoIn this work, a new human-computer assistive technology gadget designed for people with impairments is evaluated. The developed human-in-the-loop interface device has an embedded assistance controller and can replace the traditional mouse, gamepad and keyboard, enabling humancomputer hands-free full access. This work is concerned with the assistive device performance characterization aspects. Based on the experiments carried out, the human-computer performance improvement with the embedded controller is analysed in detail. Results show that adding the human-in-the-loop assistance controller improves human-computer hands-free skills, which is an innovative contribution for the replacement of computer interfaces that depend on the human hands.
- Critical thinking focus applied on student-centered approachPublication . Justino, Júlia; Rafael, SilvianoThe implementation of the student-centered approach in the classroom allowed the design of active didactic spaces for learning and the exercise of potential critical thinking, besides the technical and scientific objectives. This paper presents the pedagogical techniques applied to trigger the integration of the routine of thinking critically on the thematic issues of a course unit. The reasoning method used to exercise the potential critical thinking and observe the students’ change of attitude is also presented.
- Conceptual Maps Applied to Remote/Virtual Laboratories for Active LearningPublication . Rafael, Silviano; Justino, JúliaThe active construction of knowledge in a laboratory environment requires the application of a set of pedagogical techniques in order to avoid rote learning in engineering education. This paper presents the implementation of conceptual maps in laboratory context of an engineering course unit as an active pedagogical approach to foster the students’ meaningful learning in times of COVID pandemic. Different methodologies of laboratory work are first pre- sented, as well as the meaning of conceptual map. Then, an application example on how the conceptual map was introduced in a first laboratory class of Elec- trical Engineering, and also the students’ experiences and difficulties encoun- tered when dealing with the practical implementation of conceptual maps, is illustrated. Finally, some relevant conclusions about the implementation of this active pedagogical approach are given, in particular the development of the students’ meaningful learning by exploring relationships between concepts, ideas or propositions, by addressing the most important differences and by revealing inconsistencies on the topics studied.
- Why is it so difficult to apply student-centered approach?Publication . Rafael, Silviano; Justino, JúliaIt is common to think about generational differences. However, it is rare for the teaching-learning process to adapt to the characteristics of new generation students that currently attend courses in higher education. Despite the Bologna directives proposing student-centered approach for the new generation curricu lums, this implementation process is still far from complete. This paper presents the pedagogical methodologies most applied in a Portuguese higher educational institution of engineering and the difficulties in implementing the student-centered approach from the institutional point of view and from the teacher’s point of view. Also, possible solutions are proposed for the different points of view, giving the reasoning for the application of the student-centered approach.
- A 5-step pedagogical design for engineering coursesPublication . Rafael, Silviano; Justino, JúliaThis paper presents the design of a 5-step pedagogical framework based on student-centered approach prepared for engineering educators’ mindset. This pedagogical framework has been applied and tested in various technical and engineering course units, been adapted for the new students of Generation Z. This framework can be a pedagogical toolbox in adapting the teaching and learning activities to the students’ needs, also measuring qualitatively the students’ dynamics and academic performance. So far, in the course units where this pedagogical method was applied there was a 20% increase of the success rate and a reduction of the drop-out rate between 5% to 15%.
- Pedagogical approach for BUILD2050 pilot training projectPublication . Rafael, Silviano; Justino, Júlia; Lucas, SusanaThis paper presents the 5-step pedagogical framework implemented in the European project Training for Sustainable and Healthy Building for 2050 (BUILD2050), funded by the Erasmus+ Programme KA220. This project is an integrated and transnational pilot training composed of eight training courses, across six different higher education institutions of five European countries, that are designed to respond to the emerging challenges at European level in the different areas of construction: renovation, healthy and sustainable buildings. All the pedagogical steps of this framework are presented and some difficulties and results of its implementation are reported. This pedagogical framework promotes the diversification and creativity of the learning and teaching activities for the European students attending these training courses.
- Active learning with technology: developing practical skills with a flexible teaching platformPublication . Rafael, Silviano; Justino, JúliaThe laboratory classes allow students to deal with the equipment and technology, to study techniques and to analyse, model and test the laboratory procedure. The active construction of knowledge in a laboratory environment is strongly based on experimentation, requiring an extensive workload of laboratory practices. In this paper, a flexible laboratory platform for teaching and learning, developed for enhancing practical learning experiences within industrial automation process for engineering students, is presented as an innovative, transformative, technological and feasible alternative to classic laboratories, which are much more expensive. Through pedagogical techniques of active learning depending on the complexity knowledge level of the topics addressed, the laboratory practices provide a bridge of knowledge between the theoretical and the practical contents, developing critical sense, teamwork, autonomy, time management, problem-solving, among other soft skills, which strongly contributes to a solid training for engineering labour market current need.
- Evaluation of the contingencies of interconnecting wind production into an existing distribution networkPublication . Camilo, Fernando M.; Santos, Paulo J.; Pires, Armando J.; Cakmak, EmreIn recent years, the demand for renewable energy sources, particularly wind power, has increased significantly. In Portugal, government projections estimate a 10 GW increase in offshore wind capacity by 2030, tripling the current installed capacity. This expansion, alongside the repowering of existing onshore wind farms, will introduce substantial challenges for power networks. Some wind farms will connect to the transmission grid, while many others will be integrated into the distribution network, where infrastructure limitations could lead to operational constraints. Given the expected rise in power flow pressure, reinforcement of transmission and distribution networks will be required. Initially, the energy evacuation will rely on existing networks, which may face significant constraints under extreme load conditions. Therefore, contingency analysis, particularly under “n-1” scenarios, is crucial to assess grid resilience. This paper presents a real-case study analyzing the contingency impacts of integrating offshore and onshore wind farms into an existing 60 kV distribution network. The results highlight significant infrastructure vulnerabilities, principally line overloads in specific scenarios, emphasizing the urgent need for targeted network reinforcements, real-time monitoring systems, and dynamic optimization strategies to ensure stable wind power integration and prevent cascading failures.