2013
Autores
Catarino, A; Rocha, AM; Abreu, MJ; da Silva, JM; Ferreira, JC; Tavares, VG; Correia, MV; Zambrano, A; Derogarian, F; Dias, R;
Publicação
OCCUPATIONAL SAFETY AND HYGIENE
Abstract
Human motion capture systems are used by medical staff for detecting and identifying mobility impairments, early stages of certain pathologies and can also be used for evaluation of the effectiveness of surgical or rehabilitation intervention. Other applications may involve athlete's performance, occupational safety, among others. Presently there is a considerable number of solutions available, however these systems present some drawbacks, as they are often expensive, considerably complex, difficult to wear and use in a daily basis, and very uncomfortable for the patient. With the purpose of solving the above mentioned problems, a new wearable locomotion data capture system for gait analysis is under development. This system will allow the measurement of several locomotion-related parameters in a practical and non-invasive way, comfortable to the user, which will also be reusable that can be used by patients from light to severe impairments or disabilities. The present paper gives an overview of the research that is being developed, regarding the design of the wearable equipment, textile support, and communications.
2013
Autores
Reis, LP; Almeida, F; Mota, L; Lau, N;
Publicação
Communications in Computer and Information Science
Abstract
This paper briefly presents the research performed in the context of FC Portugal project concerning coordination methodologies applied to robotic soccer. FC Portugal's research has been integrated in several teams that have participated with considerable success in distinct RoboCup leagues and competitions. The paper includes a brief description of the main RoboCup competitions in which FC Portugal (and associated teams) has participated with focus in the simulation leagues and related challenges. It also presents a complete state of the art concerning coordination methodologies applied to robotic soccer followed by FC Portugal main contributions on this area. The team contributions include methodologies for strategic reasoning, coaching, strategic positioning, dynamic role exchange and flexible setplay definition and execution. These methodologies compose a complete coordination framework that enable a robotic team to play soccer or execute similar tasks. © Springer-Verlag Berlin Heidelberg 2013.
2013
Autores
Leal, JP; Rocha, R; Simões, A;
Publicação
SLATE
Abstract
2013
Autores
Pinho, LM;
Publicação
Ada User Journal
Abstract
2013
Autores
Piairo, J; Madureira, A; Pereira, JP; Pereira, I;
Publicação
RISTI - Revista Iberica de Sistemas e Tecnologias de Informacao
Abstract
This paper describes the development and evaluation process of a user interface for a scheduling system. It is intended to provide the user with a graphical and interactive way in order to define a scheduling problem as well as an interactive way to visualize and adapt a scheduling plan. The realization of these goals was achieved through a modular prototype whose development was based on a methodology focused on the usability evaluation: the star life cycle. In order to evaluate the usability prototype an evaluation session was made, allowing not only the ease of use evaluation, but also observing the different interaction forms provided by each participant.
2013
Autores
Pessoa, LM; Salgado, HM; Darwazeh, I;
Publicação
OPTICAL AND QUANTUM ELECTRONICS
Abstract
The back propagation algorithm is one of the best methods known for simultaneous linear and nonlinear impairment mitigation in long-haul fibre-optic links. Better understanding the full potential of such algorithm is key to improve the capacity of future links, whose design is likely to depend on the algorithm performance under different link configurations. In this paper, we carry out a novel and pertinent comparison in terms of the computational complexity requirements of both symmetric and asymmetric back-propagation implementation approaches for different dispersion map configurations, using simple single channel transmission, which results in the proposal of several design rules for the optimized deployment of ultra-long haul optical transport systems. In particular, it is concluded that dispersion unmanaged transmission is preferable in the sense of compatibility with different link design configurations as well as computational complexity requirements and maximum performance that can be achieved.
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