BoaVista – Sensor Dedicado de Visão Artificial Baseado em Hardware (Re)configurável

4º Festival Nacional de Robótica - Actas do Encontro Científico - Proceedings of the Scientific Meeting, Biblioteca Almeida Garrett, Palácio de Cristal – Porto, 23-24 Abril 2004

Deixem que eu me (re)encontre

O presente relatório reflete um projeto de investigação no âmbito do Mestrado em Educação e Intervenção Social, que assume como metodologia a Investigação Ação-Participativa, e que é desenvolvido e construído com um grupo de pessoas desempregadas. Assim, e contando com os participantes como co-construtores de todo o processo, foi necessário elaborar uma análise e caracterização da realidade da qual surgiram alguns problemas. É com base neles que o projeto começa a ser delineado, tendo por base a educação não-formal de adultos, e recorrendo a ações e atividades para se alcançarem os objetivos definidos e, desta forma, ser possível compreender qual o impacto que ele teve na vida dos participantes. Denominado por “Deixem que eu me (Re)Encontre”, este projeto de investigação pretendeu proporcionar momentos de desenvolvimento da autoestima, de redescoberta de capacidades e competências, e de criação de uma rede de suporte afetivo, estimulando nos participantes a apropriação de um poder de intervenção, gerador de mudança nas suas vidas, que há muito se tinha perdido.

DU GRAIN À LA MUSIQUE : MANIPULATIONS EN TEMPS RÉEL

Dans cet article, nous présenterons une étude comparative de quelques techniques de manipulation du signal comme la Transformée de Fourier à Court Terme, la Synthèse Granulaire Asynchrone et PSOLA, notamment dans le cadre de leur utilisation en temps réel. Nous présenterons succinctement le fonctionnement de ces trois méthodes dans l’environnement Max / MSP avec l’utilisation de la librairie GABOR. La manipulation des paramètres propres à chaque méthode a des conséquences sur les variables musicales, et l’utilisation de ces méthodes implique des corrélations entre les paramètres techniques du traitement du signal et des attributs musicaux spécifiques. Ainsi, nous essayerons d’explorer les espaces des paramètres et de la perception musicales entre le temps, la période et le spectre (les rythmes, les fréquences et les timbres) en comparant les différentes méthodes en vue de leur croisement dans un système de traitement commun.

La notion d’Espace dans la création musicale : idées, concepts et attributions Une réflexion à propos d’espaces intentionnellement perçus ou composés de l’entité sonore

Notre étude présente une réflexion à propos de espaces musicaux composables. Cette réflexion inclue l’usage intentionnel des qualités sonores perçues dans la construction de sons et donc dans la composition musicale. Nos recherches se trouvent à l’intersection entre le son, comme phénomène physique qui se propage dans un espace, les sensations spatiales qui peuvent être engendrées par la perception auditive de ses certaines caractéristiques, et la pratique de la composition musicale d’espaces de sons dans les œuvres. Nous développons l’idée d’une entité sonore composable dès sa microstructure. Nous la concevons par analogie avec les objets du monde visible et palpable. Nous utilisons les idées de volume, forme et matière ainsi que celles de position et de mouvement des objets matériels, comme métaphore pour concevoir des entités sonores complexes et des espaces musicaux composés dans lesquels elles seront intégrées. Cette entité sonore constituée d’un ensemble d’éléments disparates, permet le développement de réseaux opératoires manipulables dans, la pratique, par les compositeurs.

Quelques réflexions sur les rapports entre l’électroacoustique et la musique instrumentale de Xenakis : le cas de la Légende d’Eer et Jonchaies

Dans cet article, nous mettrons en évidence le rapport étroit tissé par Xenakis entre les œuvres La légende d’Eer et Jonchaies notamment au niveau de la structure formelle et des sonorités. // In this paper, we will show some evident examples about the close rapports between La légende d’Eer and Jonchaies by Xenakis, especially in terms of formal structure and sonorities.

Re-Use Assessment of Thermoset Composite Wastes as Aggregate and Filler Replacement for Concrete-Polymer Composite Materials: A case study regarding GFRP pultrusion wastes

Glass fibre-reinforced plastics (GFRP), nowadays commonly used in the construction, transportation and automobile sectors, have been considered inherently difficult to recycle due to both the cross-linked nature of thermoset resins, which cannot be remoulded, and the complex composition of the composite itself, which includes glass fibres, polymer matrix and different types of inorganic fillers. Hence, to date, most of the thermoset based GFRP waste is being incinerated or landfilled leading to negative environmental impacts and additional costs to producers and suppliers. With an increasing awareness of environmental matters and the subsequent desire to save resources, recycling would convert an expensive waste disposal into a profitable reusable material. In this study, the effect of the incorporation of mechanically recycled GFRP pultrusion wastes on flexural and compressive behaviour of polyester polymer mortars (PM) was assessed. For this purpose, different contents of GFRP recyclates (0%, 4%, 8% and 12%, w/w), with distinct size grades (coarse fibrous mixture and fine powdered mixture), were incorporated into polyester PM as sand aggregates and filler replacements. The effect of the incorporation of a silane coupling agent was also assessed. Experimental results revealed that GFRP waste filled polymer mortars show improved mechanical behaviour over unmodified polyester based mortars, thus indicating the feasibility of GFRP waste reuse as raw material in concrete-polymer composites.

Sustainability Improvement of a composite materials’ industry through recycling and re-engineering process approaches

Recent Advances in Mechanics and Materials in Design

Equipamentos colectivos e (re)estruturação do espaço urbano: aplicação a três bairros de Lisboa

Dissertação apresentada para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Gestão do Território, Área de Especialização em Planeamento e Ordenamento do Território

Re-inventar um bairro: análise de uma reforma sócio-urbanística no bairro da Mouraria

Dissertação de mestrado em Antropologia Aplicada

A regeneração do centro histórico de Oeiras: um esboço para a (re)afirmação da vila

Trabalho de Projecto apresentado para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Metropolização, Planeamento Estratégico e Sustentabilidade

(Re)Financing in a capital intensive industry during economic crises

A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and Economics

What do people do at work when they're not working?

A Work Project, presented as part of the requirements for the Award of a Masters Degree in Management from the NOVA – School of Business and Economics

Re-evaluation of the basic procedures involved in the storage of measles vaccine in public health units of the municipality of Niterói, state of Rio de Janeiro, Brazil

Four years after the first visit seventeen public health units were visited again and evaluated as to standards of storage recommended by the Brazilian Immunization Programme. In 100% of the units, refrigerators and proper inside location of vaccines in the refrigerator were adequatety or regularfy maintained and checked, respectively. However, when control of temperature was checked, onfy 64.7% presented adequate storage conditions. In 94.1 % of the units, health workers complained of lack of immediate technical support in emergency situations. In 55.2 % the titers vaccine samples of were under the minimal recommended potency. It is necessary that the factors concerning the cold chain be continualfy evaluated so that the quality of the vaccines that will be used is not affected.