Encontrados 15 documentos, a visualizar página 1 de 2
Objective and subjective responsibility in business sustainability
Garrido, PauloThis paper presents the distinction between objective responsibility – determined by social norms – and subjective responsibility – as a feeling and an attitude of an individual subject. The paper argues that both types of responsibility are necessary for the well functioning of businesses or social production and considers two consequences of the distinction for business sustainability. The first consequence c...
Monitorização e controlo da amêjoa asiática, Corbicula Fluminea
Gabriel, Rita Sofia Garrido PauloResumo A amêijoa asiática, Corbicula fluminea (Müller, 1774) é um molusco bivalve de água doce e é uma das espécies invasoras de ecossistemas aquáticos mais difundida no mundo. Para além dos efeitos nefastos nos ecossistemas, esta peste é conhecida pela sua acção bioincrustante nas indústrias hidrodependentes. A introdução desta espécie em Portugal data de 1980, no entanto, existe um largo desconhecimento acerc...
Firms as teams
Garrido, PauloThis paper proposes the concept of a firm being totally constituted by a team over time and sketches some of its consequences.
Organizational Decision Support Systems
Garrido, PauloThis paper presents a notion for developing Organizational Decision Support Systems (ODSS). The lens used is to see ODSS as a specialization of Social Decision Support Systems (SDSS) and a generalization of Group Decision Support Systems (GDSS). A unit decision process can be raised by any person in a organizational whole, the organization itself or some sub-organization. The decision process can use a given fo...
Design of a social decision support system for organizations
Garrido, Paulo; Faria, NelsonThe growth of Web technologies and collaborative Web-based software as means of tapping and making useful knowledge and perception distributed among people, makes evident the potential interest and application of the paradigm of Socially Supported Decision Systems (SSDS) for organizations. This paper describes on-going research on SSDS and development of a concept prototype of such a system, named Amplidir. Res...
Business sustainability and collective intelligence
Garrido, PauloIn this paper one looks for contributions from the field of collective intelligence. Beginning with a preliminary analysis of businesses and their sustainability, the paper shortly defines collective intelligence and its potential contributions to organizations in general and businesses in particular.
Quadratic optimal fuzzy control
Salgado, Paulo; Igrejas, Getúlio Paulo Peixoto; Garrido, PauloOne presents a fuzzy logic approach for optimal control of discrete-time nonlinear dynamic systems with a quadratic criterion. The approach is based on Pontryagin’s Minimum Principle. It uses back-propagation from the final co-state error and gradient descent to estimate a sequence of values for the co-state variables converging to the optimal ones. This implies that the controlled variables trajectories conver...
Quadratic optimal fuzzy control
Salgado, Paulo; Igrejas, Getúlio; Garrido, PauloOne presents a fuzzy logic approach for optimal control of discrete-time nonlinear dynamic systems with a quadratic criterion. The approach is based on Pontryagin’s Minimum Principle. Using back propagation from the final co-state error and gradient descent, a method is devised which allows for training an adaptive fuzzy inference system to estimate values for the co-state variables converging to the optimal on...
A learning-oriented knowledge representation for teaching interfaces
Garrido, PauloThis paper presents a formalism for representing knowledge, intended for use in teaching interfaces. The driving concern in developing the formalism was to get an explicit method for sequencing the presentation of materials to be learned. The first criterion for doing the sequencing is that it satisfies a relation of constructability or learning support among the materials. If the relation is restricted to be a...
Spiral inductors on silicon for wireless communications
Trabulo, Pedro; Mendes, P. M.; Garrido, Paulo; Correia, J. H.This paper presents the design and fabrication of integrated micromachined inductors obn silicon substrates. In order to reduce eddy currents in silicon substrates, bulk-micromachining technology is used to etch the silicon wafer. In this way, aluminum spiral micromachined inductors can achieve a quality factor Q of approximately 30 (0.6-2 nH @ 2-15 GHz). Also, the resistivity of the inductors material is discu...
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