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- Correia, J.H. (author), de Graaf, G. (author), Bartek, M. (author), Wolffenbuttel, R.F. (author) journal article 2001
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- Correia, J.H. (author), de Graaf, G. (author), Bartek, M. (author), Wolffenbuttel, R.F. (author) journal article 2001
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- Minas, G. (author), Wolffenbuttel, R.F. (author), Correia, J.H. (author) journal article 2006
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Correia, J.H. (author), Emadi, A.R. (author), Wolffenbuttel, R.F. (author)This paper describes the design and modeling of a UV bandpass optical filter for microspectrometers. The materials used for fabricating the multilayer UV filter are: silicon dioxide (SiO2), titanium dioxide (TiO2) and yttrium oxide (Y2O3). The optical filter shows a bandpass response wavelength in the range 230-280 nm, with a transmittance...journal article 2006
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Emadi, A. (author), Wu, H. (author), De Graaf, G. (author), Hedsten, K. (author), Enoksson, P. (author), Correia, J.H. (author), Wolffenbuttel, R.F. (author)This paper presents the design, fabrication and spectral measurements of an Ultra-Violet (UV) Linear Variable Optical Filter (LVOF)-based micro-spectrometer operating in the 300 nm–400 nm wavelength range. The UV LVOF has been fabricated in an IC-Compatible process using resist reflow. Characterization by passing monochromatic light through the...journal article 2010
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Ferreira, D.S. (author), Mirkovic, J. (author), Wolffenbuttel, R.F. (author), Correia, J.H. (author), Feld, M.S. (author), Minas, G. (author)A strategy for spectroscopy tissue diagnosis using a small number of wavelengths is reported. The feasibility to accurately quantify tissue information using only 16 wavelengths is demonstrated with several wavelength reduction simulations of the existing esophageal data set. These results are an important step for the development of a...journal article 2011
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Silva, M.F. (author), Rodrigues, J.A. (author), Oliveira, M.J. (author), Fernandes, A.R. (author), Pereira, S. (author), Costa, C.G. (author), Ghaderi, M. (author), Ayerden, P. (author), Goncalves, L.M. (author), De Graaf, G. (author), Wolffenbuttel, R.F. (author), Correia, J.H. (author)This paper presents the design, fabrication and characterization of two Fabry Perot type optical filters (415 nm and 540 nm) for enabling Narrow Band Imaging (NBI) in medical devices (MD). The two-colour illumination should satisfy a highly specific optical design, which is composed of a thin-film optical filter stack of titanium dioxide (TiO2)...journal article 2014
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Yap, M.D. (author), Correia, Gonçalo (author), van Arem, B. (author)In the recent years many developments took place regarding automated vehicles (AVs) technology. It is however unknown to which extent the share of the existing transport modes will change as result of AVs introduction as another public transport option. This study is the first where detailed traveller preferences for AVs are explored and...journal article 2016
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Jovašević, S. (author), Correia, J. A F O (author), Pavlovic, M. (author), Rebelo, C. (author), De Jesus, A. M P (author), Veljkovic, M. (author), Da Silva, L. Simões (author)A steel hybrid structural solution for onshore wind turbine towers was proposed in the European project SHOWTIME. This solution is used in the lattice structure for the lower portion of the tower. Recently, a procedure for fatigue life estimation of steel half-pipes bolted connections applied in global structural models using multiaxial Smith...journal article 2016
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Costa, C.G. (author), Gomes, J.M. (author), Wolffenbuttel, R.F. (author), Correia, J.H. (author)Medical imaging is an important part of diagnosis. The procedure should provide valuable information for diagnosis and, at the same time, should be minimally invasive for the patient. Therefore, when performing endoscopic imaging, a system with reduced dimensions is crucial. The performance of imaging systems, used in several diagnosis...journal article 2016
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Liang, X. (author), Correia, Gonçalo (author), van Arem, B. (author)We propose two integer programming models for optimizing an automated taxi (AT) system for last mile of train trips. Model S1: trip reservations are accepted or rejected by the operator according to the profit maximization; model S2: any reservation on a selected zone by the model must be satisfied. Models were applied to a case-study....journal article 2016
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Milakis, D. (author), Snelder, M. (author), van Arem, B. (author), van Wee, G.P. (author), Correia, Gonçalo (author)Automated driving technology is emerging. Yet, little is known in the literature about when automated vehicles will reach the market, how penetration rates will evolve and to what extent this new transport technology will affect transport demand and planning. This study uses scenario analysis to identify plausible future development paths of...journal article 2017
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Scheltes, Arthur (author), Correia, Gonçalo (author)The last mile in a public transport trip is known to bring a large disutility for passengers, because the conventional transport modes for this stage of the trip can, in many cases, be rather slow, inflexible and not provide a seamless experience to passengers. Fully automated vehicles (AVs), that is, those which do not need a driver, could act...journal article 2017
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Liang, X. (author), Correia, Gonçalo (author), van Arem, B. (author)In this paper, we propose a method of automated vehicle operation in taxi systems that addresses the problem of associating trips to automated taxis (ATs) and assigning those vehicles to paths on an urban road network. This system is envisioned to provide a transport service within a city area with a seamless door-to-door connection for all...journal article 2017
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Angst, Ueli M. (author), Geiker, Mette R. (author), Michel, Alexander (author), Gehlen, Christoph (author), Wong, Hong (author), Isgor, O. Burkan (author), Elsener, Bernhard (author), Hansson, Carolyn M. (author), François, Raoul (author), Hornbostel, Karla (author), Polder, R.B. (author), Alonso, Maria Cruz (author), Sanchez, Mercedes (author), Correia, Maria João (author), Criado, Maria (author), Sagüés, A. (author), Buenfeld, Nick (author)Although the steel–concrete interface (SCI) is widely recognized to influence the durability of reinforced concrete, a systematic overview and detailed documentation of the various aspects of the SCI are lacking. In this paper, we compiled a comprehensive list of possible local characteristics at the SCI and reviewed available information...journal article 2017
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Wang, Y. (author), Correia, Gonçalo (author), de Romph, E. (author), Timmermans, H. J.P.(Harry) (author)A location choice model explains how travellers choose their trip destinations especially for those activities which are flexible in space and time. The model is usually estimated using travel survey data; however, little is known about how to use smart card data (SCD) for this purpose in a public transport network. Our study extracted trip...journal article 2017
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Müller, Johannes (author), Correia, Gonçalo (author), Bogenberger, Klaus (author)When the first free-floating carsharing operators launched their business, they did not know if it would be profitable. They often started in highly populated cities without performing extensive target group analysis, and were less concerned about fleet management. Usually, there are two main datasets that can be used to find areas that would...journal article 2017
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Nieuwenhuijsen, J.A.H. (author), Correia, Gonçalo (author), Milakis, D. (author), van Arem, B. (author), van Daalen, C. (author)This paper presents a novel simulation model that shows the dynamic and complex nature of the innovation system of vehicle automation in a quantitative way. The model simulates the innovation diffusion of automated vehicles (AVs) on the long-term. It looks at the system of AVs from a functional perspective and therefore categorizes this...journal article 2018
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Groenendijk, Laura (author), Rezaei, J. (author), Correia, Gonçalo (author)The quality of a transit node is determined by the experience of travellers. However, the reference model for classifying the quality of a transit node, the so-called Node-Place model, does not consider this important dimension (experience). In this paper, we propose a method to add quality from a traveller's perspective to the Node-Place (NP...journal article 2018
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Wang, Y. (author), Correia, Gonçalo (author), de Romph, E. (author), Santos, Bruno F. (author)This study uses mobile phone data to understand mobility patterns in a country, with limited mobility data, in order to give advice about decisions on how to design the national and regional road network. Our method consists of three parts: (1) filtering mobile phone traces to derive mobility patterns, (2) building an adapted formulation of the...journal article 2018