3134847 documents found, page 313153 of 313485

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Impact of EV penetration in the interconnected urban environment of a smart city

Calvillo,C; Sánchez-Miralles,A; José Villar; Martín,F

Date: 2017   |   Origin: INESC TEC

Dynamics of Market Power in ERCOT System: A Fundamental CSFE With Network Const...

Diaz,CA; Webster,MD; José Villar; Campos,A

Previous studies of market power within a regional system have considered multiple competing generation operators and the role of transmission constraints. However, these studies typically assume simplified structures in which each operator is restricted to a unique node in a transmission constrained network. Real systems typically have operators making decisions for units in several zones at once. Past studies...

Date: 2016   |   Origin: INESC TEC

Efficient CIEDE2000-based Color Similarity Decision for Computer Vision

Luís Corte Real; Américo José Pereira; Pedro Miguel Carvalho; Coelho,G

Date: 2019   |   Origin: INESC TEC

Refinement in hybridised institutions

Alexandre Castro Madeira; Martins,MA; Luís Soares Barbosa; Hennicker,R

Hybrid logics, which add to the modal description of transition structures the ability to refer to specific states, offer a generic framework to approach the specification and design of reconfigurable systems, i.e., systems with reconfiguration mechanisms governing the dynamic evolution of their execution configurations in response to both external stimuli or internal performance measures. A formal representati...

Date: 2015   |   Origin: INESC TEC

Multimodal Interferometer Based on a Suspended Core Fiber for Simultaneous Meas...

Rota Rodrigo,S; Lopez Amo,M; Kobelke,J; Schuster,K; José Luís Santos; Orlando Frazão

In this study, a multimodal interferometer based on a suspended core photonic crystal fiber (PCF) for simultaneous strain and temperature measurements is proposed. The structure is also employed for angle measurements. The sensor comprises a 3-mm-suspended core PCF between SMFs and is based on the combination of two multimodal interferences with different frequency fringe patterns. The interferometric patterns ...

Date: 2015   |   Origin: INESC TEC

Flexibility in a Stackelberg leadership with differentiated goods

Ferreira,FA; Ferreira,F; Miguel Ferreira; Alberto Pinto

We study the effects of product differentiation in a Stackelberg model with demand uncertainty for the first mover. We do an ex-ante and ex-post analysis of the profits of the leader and of the follower firms in terms of product differentiation and of the demand uncertainty. We show that even with small uncertainty about the demand, the follower firm can achieve greater profits than the leader, if their product...

Date: 2015   |   Origin: INESC TEC

Strain sensitivity enhancement in suspended core fiber tapers

Ricardo Melo André; Susana Oliveira Silva; Becker,M; Schuster,K; Rothardt,M; Bartelt,H; Manuel Joaquim Marques; Orlando Frazão

Suspended core fiber tapers with different cross sections (with diameters from 70 µm to 120 µm) are produced by filament heating. Before obtaining the taper, the spectral behavior of the suspended core fiber is a multimode interference structure. When the taper is made, an intermodal interference between a few modes is observed. This effect is clearly visible for low taper core dimensions. Since the core and cl...

Date: 2013   |   Origin: INESC TEC

Performance Assessment of Construction Companies Integrating Key Performance In...

Isabel Horta; Ana Camanho; Jorge Moreira da Costa

Date: 2010   |   Origin: INESC TEC

Permanent Ocean Presence With Autonomous Sailing Robots Wind-Propelled Vessels ...

José Carlos Alves; Nuno Cruz

The demand for accurate ocean sampling is continuously growing to provide a better understanding of the complex sea environment. Current economic and social activity is strongly dictated by knowledge built on data collected from thousands of sensors around the world, ranging from space-borne remote sensors to underwater devices transported by profilers. Autonomous sailboats have great potential to gather long-t...

Date: 2014   |   Origin: INESC TEC

Multiplexing of Surface Plasmon Resonance Sensing Devices on Etched Single-Mode...

Luís Carlos Coelho; José Almeida; Hamed Moayyed; José Luís Santos; Diana Viegas

It is proposed the multiplexing of optical fiber-based surface plasmon resonance (SPR) sensors deployed in a ladder topology, addressed in wavelength by combining each sensor with specific fiber Bragg gratings (FBGs) and considering intensity interrogation. In each branch of the fiber layout, the FBGs are located after the sensor and the peak optical power reflected by the FBGs is a function of the relative spe...

Date: 2015   |   Origin: INESC TEC

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