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Current institution
Publications
Publications (31)
– The Blockchain concept has erupted from decentralized digital currency world and has reached a high penetration in other areas where the certification of transactions and its immutability is required. The experience on elevated security to event time driven data assertion was transferred from the digital currency to the data driven enterprise wor...
The aviation industry is highly regulated and relies much on data records to maintain the track of all types of operations carried out in the aircraft or its products. Since all aviation stakeholders rely on these records to maintain their aircrafts airworthy, several problems occur due to the lack of trustworthiness among stakeholders or sometimes...
This paper proposes an aerial data network infrastructure for large geographical area surveillance systems. The work presents a review of previous works from the authors, existing technologies in the market and other scientific work, with the goal of creating a data network supported by Autonomous Tethered Aerostat Airships used for sensor fixing,...
Many industries, such as aeronautics construction are still equipped with legacy machines and are not keen to change old, however fully functional, equipment to new ones. Hence, an upgrade must be found to cope the legacy and fully functional machines to IoT technologies. This paper is a contribution to embrace those challenges in a new IoT archite...
This paper presents the identification, development and simulation of a complex order, third generation CRONE (Commande Robuste d’Ordre Non Entier) controller for a new Darrieus type vertical-axis wind turbine design. A prototype of this wind turbine was developed and tested in a wind tunnel. Data acquired in the tests were used to develop and vali...
This paper presents a traffic light system based on wireless communication that provides a support infrastructure for intelligent control in the context of smart cities and aerotropolis areas. An aerotropolis is a metropolitan subregion with an infrastructure centered an airport. Traffic intensity is increasing all over the world. Intelligent dynam...
This paper details the process required to develop a linear dynamic model and control of a Darrieus wind turbine equipped with a Permanent Magnet Synchronous Generator. The turbine is to be integrated in a smart grid for future installation in urban context. An active control system is integrated in such a way that, even in the presence of non-idea...
Exploitation of wind energy with vertical axis rotary-wing has advantage over horizontal axis rotary-wing in areas where the wind is turbulent and unstable, i.e., with fast changes either in direction or velocity as normal happens in urban areas. The Darrieus-type vertical axis rotary-wing is experiencing a growth in interest for development and in...
R. Melício). 2 Highlights Smart grid and smart living services; Industry 4.0; Wireless sensors; Interconnected Things; Client interaction activity. Abstract For an industry 4.0 environment, the management and offering of services, falls over the construction of a stable and reliable sensor and actuator infrastructure. Industry 4.0 is unde...
For an industry 4.0 environment, the management and offering of services, falls over the construction of a stable and reliable sensor and actuator infrastructure. Industry 4.0 is undergoing increase advancement, infrastructure availability and public acceptance, mainly boosted by the Interconnected Things. The public acceptance drives an increase o...
This paper presents a traffic light control system based on wireless communication technologies. Traffic density is increasing at an alarming rate in developing countries which calls for intelligent dynamic traffic light control systems to replace the conventional manual and time based ones. The approach followed in this paper is based in a secure...
This paper is about a design of an urban area Darrieus VAWT, having self-start ability due to an innovative profile design named EN0005, avoiding the need of extra components or external electricity feed-in. An approach is presented to study the ability of a blade profile to offer self-start ability. Methodologies applied for the blade body and for...
This paper is about wireless monitoring of an urban vertical axis wind turbine, focusing on the layered system used for the computational framework of sensors, data acquisition, data processing and storage system interconnectivity. A low power wireless networks employing ZigBee protocol is used for the sensors modules connectivity. A voltage and cu...
The Vertical Axis Wind Turbines Darrieus is facing a rapid installations growth due to the interest for a decentralizing generation. The Darrieus aerodynamic behavior analysis is a hard computational task. This paper starts by offering an insight into the Darrieus wind turbines performance prediction and proposes an algorithm based on the Multiple...
In the future smart grid the consumer will play an important contribution to the quality of the electricity transmission and delivery and to the reduction of the grid carbon dioxide emissions, by applying a conscious behaviour to their energy consumption. But, to be able to accomplish that, the consumers need to know and control their activity so t...
The vertical axis wind turbines (VAWT) have been suffering an increased acceptance for urban wind turbines integration in the future smart grid for decentralized generation (DG). The VAWT have several advantages over the more conventional horizontal axis wind turbines (HAWT): the smaller number of components; low sound emissions; their insensitivit...
The current grid must be updated and controlled with automated systems that offer the intelligence of the smart grid. In this task the wireless networks for sensors and actuators are very important component of the future grid infrastructure, being the “nerve cells” of the entire system. The most important player in the smart grid is probably the c...
The implementation of a renewed electrical grid is urgent and it must be flexible, reliable, efficient and manageable. In this context, sensors and actuators play an important part, thus being the “nerve cells” of the grid. The ZigBee standard is receiving an increased acceptance by the industry and is experiencing a fast implementation. Hence, sev...
The rapid growth of wind power generation and the need for a smarter electrical grid with a decentralized energy generation, especially in the urban areas, has increased the interest in vertical axis wind turbines (VAWT). The Darrieus type VAWT performance prediction is a very complex task, since its blades move around the rotor axis in a three dim...
An increased interest in vertical axis wind
turbines has been stimulated by the rapid growth of wind power
generation and by the need for a smarter electrical grid with a
decentralized energy generation, especially in the urban areas.
The lift type vertical axis wind turbines (Darrieus wind turbine)
performance prediction is a very complex task, si...
The wind power generation is experiencing a rapid growth, achieving the highest number of European installations in 2010 comparing to other renewable sources. The need for a smarter grid capable of integrating several decentralized sources of energy and the increasing need for energy in urban areas, has led to an increase interest in wind turbines...
