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Møller, Martin B. (author), Martinez, Jorge (author), Østergaard, Jan (author)Sound zones are used to reproduce individual audio content to multiple people in a room using a set of loudspeakers with controllable input signals. To allow the reproduction of individual audio to dynamically change, e.g., due to moving listeners, changes in the number of listeners, or changing room transfer functions, an adaptive formulation...journal article 2024
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Boskos, D. (author), Cortes, Jorge (author), Martinez, Sonia (author)This paper builds Wasserstein ambiguity sets for the unknown probability distribution of dynamic random variables leveraging noisy partial-state observations. The constructed ambiguity sets contain the true distribution of the data with quantifiable probability and can be exploited to formulate robust stochastic optimization problems with out...journal article 2024
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Xu, X. (author), van Hengst, J.M.A. (author), Mao, Yejia (author), Martinez, Mireia (author), Roda, Sergi (author), Floor, Martin (author), Guallar, Victor (author), Paul, C.E. (author), Alcalde, Miguel (author), Hollmann, F. (author)A peroxygenase-catalysed hydroxylation of organosilanes is reported. The recombinant peroxygenase from Agrocybe aegerita (AaeUPO) enabled efficient conversion of a broad range of silane starting materials in attractive productivities (up to 300 mM h<sup>−1</sup>), catalyst performance (up to 84 s<sup>−1</sup> and more than 120 000 catalytic...journal article 2023
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Li, C. (author), Martinez, Jorge (author), Hendriks, R.C. (author)Estimation of the acoustic-scene related parameters such as relative transfer functions (RTFs) from source to microphones, source power spectral densities (PSDs) and PSDs of the late reverberation is essential and also challenging. Existing maximum likelihood estimators typically consider only subsets of these parameters and use each time frame...journal article 2023
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Tricarico, Gioacchino (author), Wagle, Raju (author), Martinez, Jesus Castro (author), Gonzalez-Longatt, Francisco (author), Dicorato, Maria (author), Forte, Giuseppe (author), Rueda, José L. (author)Distribution grids are subject to a drastic evolution in their operating conditions due to the high integration of renewable energy resources (RES) and their ability to regulate voltage. To cope with this issue, modern solar photovoltaic (PV) systems are equipped with smart inverters enabled with communication capabilities that allow the...conference paper 2023
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Martinez, Philippe (author), Alfeld, M.W.E.M. (author), Defeyt, Catherine (author), Elleithy, Hishaam (author), Glanville, Helen (author), Hartwig, Melinda (author), Hocquet, Francois-Philippe (author), Jaber, Maguy (author), Martinetto, Pauline (author), Strivay, David (author), Walter, Philippe (author)The material study of ancient Egyptian paintings began with the advent of Egyptology during the 19th century. By the 1930s, a lot had already been sampled and described. The limited palette for example has been analysed from actual painted surfaces but also from pigments and painting tools retrieved on site. However, most of these studies took...journal article 2023
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Vega Sanchez, Sergio (author), Homann, Klaus (author), Privenau, Jacqueline (author), Säteri, Jorma (author), Martinez, David (author)Background and aim - Emerging digital technologies are defining the future of FM. In this process of transformation, stakeholders involved must ensure balanced development. This paper presents the results of an extensive survey on the perception of digital trends in FM. Purpose of the survey was to identify possible awareness gaps between end...conference paper 2022
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Riemens, E.H.J. (author), Martinez-Nuevo, Pablo (author), Martinez, Jorge (author), Møller, Martin Bo (author), Hendriks, R.C. (author)Loudspeakers are usually placed in an environment unknown to the loudspeaker designers. Having knowledge on the room acoustic properties, e.g., the location of acoustic reflectors, allows to better reproduce the sound field as intended. Current state-of-the-art methods for room boundary detection using microphone measurements typically focus on...conference paper 2022
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Sundaramoorthy, P.P. (author), Vertegaal, Cornelis (author), Martinez, Cecilia (author), Serra, Ramiro (author), Verhoeven, C.J.M. (author), Montagne, A.J.M. (author), Bentum, Mark J (author)In the last decades, there has been a steady adoption of digital online platforms as learning environments applied to all levels of education. This increasing adoption forces a transition in educational resources which has further been accelerated by the recent pandemic, leading to an almost complete online-only learning environment in some...conference paper 2022
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Li, C. (author), Martinez, Jorge (author), Hendriks, R.C. (author)Many multi-microphone algorithms depend on knowing the relative acoustic transfer functions (RTFs) of the individual sound sources in the acoustic scene. However, accurate joint RTF estimation for multiple sources is a challenging problem. Existing methods to jointly estimate the RTF for multiple sources have either no satisfying performance, or...conference paper 2022
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Van der Werf, I. (author), Martinez-Nuevo, Pablo (author), Møller, Martin Bo (author), Hendriks, R.C. (author), Martinez, Jorge (author)The sound field in a room can be represented by a weighted sum of room modes. To estimate the room modes, current literature uses on-the-grid, sparse reconstruction methods. However, these on-the-grid methods are known to suffer from basis mismatch. In this work, we investigate the use of a gridless framework for estimating room modes using...conference paper 2022
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Falcetelli, F. (author), Venturini, Nicolas (author), Barroso Romero, M. (author), Martinez, Marcias J. (author), Pant, Shashank (author), Troiani, Enrico (author)Structural Health Monitoring (SHM) aims to shift aircraft maintenance from a time-based to a condition-based approach. Within all the SHM techniques, Acoustic Emission (AE) allows for the monitoring of large areas by analyzing Lamb waves propagating in plate like structures. In this study, the authors proposed a Time Reversal (TR) methodology...journal article 2021
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Hallin, E.C. (author), Hofstede, Jacobus L.A. (author), Martinez, Grit (author), Jensen, Jürgen (author), Baron, Nina (author), Heimann, Thorsten (author), Kroon, Aart (author), Arns, Arne (author), Almström, Björn (author)From November 12th to 13th in 1872, an extreme coastal flood event occurred in the south Baltic Sea. An unusual combination of winds created a storm surge reaching up to 3.5 m above mean sea level, which is more than a meter higher than all other observations over the past 200 years. On the Danish, German, and Swedish coasts, about 300 people...journal article 2021
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Baldassarre, Alessandro (author), Martinez, Marcias (author), Rans, C.D. (author)The present study reports on the evaluation of residual stress field formation and distribution in Central Cut Plies (CCP) specimens. Real-time measurements were performed using a distributed sensing fiber optic system based on Rayleigh Backscattering, which was successfully able to capture strain distribution inside the adhesive layer at...review 2020
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Zaccà, V.G. (author), Martínez-Nuevo, Pablo (author), Møller, Martin Bo (author), Martinez, Jorge (author), Heusdens, R. (author)Accurate sound field reproduction in rooms is often limited by the lack of knowledge of the room characteristics. Information about the room shape or nearby reflecting boundaries can, in principle, be used to improve the accuracy of the reproduction. In this paper, we propose a method to infer the location of nearby reflecting boundaries from...conference paper 2020
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Baldassarre, Alessandro (author), Ocampo, Juan (author), Martinez, Marcias (author), Rans, C.D. (author)The application of strain gauges as recommended by the ASTM standards provides accurate strain measurements in isotropic materials. However, their use in composite materials becomes more challenging due to their anisotropic nature. In this study, we hypothesized that the use of the distributed sensing system and the three-dimensional digital...journal article 2020
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Faludi, Jeremy (author), Hoffenson, Steven (author), Kwok, Sze Yin (author), Saidani, Michael (author), Hallstedt, Sophie I. (author), Telenko, Cassandra (author), Martinez, Victor (author)Sustainable design methods and tools abound, but their implementation in practice remains marginal. This article brings together results from previous literature reviews and analyses of sustainable design methods and tools, as well as input from design researchers and professional practitioners to identify the needs and gaps in the area. It...journal article 2020
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Falco, E. (author), Stylianou, Constantinos (author), Martinez, Gilberto (author), Kleinhans, R.J. (author), Basso-Moro, Sara (author), Neophytou, Haris (author)This article investigates how training public officials from two municipalities in Spain and Cyprus with new technologies affects three dependent variables: level of understanding of the technological innovation being introduced, its perceived usefulness, and its perceived ease-of-use. The tests to determine the impact of training were carried...journal article 2020
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Sodja, J. (author), Martinez, M.J. (author), Simpson, John C. (author), De Breuker, R. (author)This article presents an experimental evaluation of a morphing leading edge demonstrator by investigating its morphed shape, the level of induced strains in the airfoil skin, the actuation force, and the morphing mechanism’s capability to lock and transfer the applied loads. In addition, a finite element model of the demonstrator is assembled...journal article 2019
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Ribeiro, Fabricio N. (author), Martinez, M.J. (author), Rans, C.D. (author)The lack of a widely-accepted test standard for characterizing the mode II fatigue disbond growth behavior of adhesively bonded interfaces is a challenge to the research community in terms of producing consistent and repeatable results. Typically, researchers apply the End Notch Flexure specimen, which is already used for static delamination...journal article 2019