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Khosravi, M. (author), Smith, Roy S. (author)The notion of reproducing kernel Hilbert space (RKHS) has emerged in system identification during the past decade. In the resulting framework, the impulse response estimation problem is formulated as a regularized optimization defined on an infinite-dimensional RKHS consisting of stable impulse responses. The consequent estimation problem is...journal article 2023
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Sierra Soraluce, A. (author), Li, G. (author), Santofimia, Maria Jesus (author), Molina-Aldareguia, J. M. (author), Smith, A. (author), Muratori, M. (author), Sabirov, I. (author)Quenching and partitioning (Q&P) treatment has been proven effective in manufacturing advanced high strength steels with high content of retained austenite, showing the improved balance of high strength and sufficient ductility. This method has been very well elaborated for carbon steel processing over the last two decades. Though it can...journal article 2023
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Khosravi, M. (author), Smith, R. S. (author)In this article, we consider the problem of system identification when side-information is available on the steady-state gain (SSG) of the system. We formulate a general nonparametric identification method as an infinite-dimensional constrained convex program over the reproducing kernel Hilbert space (RKHS) of stable impulse responses. The...journal article 2023
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van der Maas, E.L. (author), Famprikis, Theodosios (author), Pieters, S. (author), Dijkstra, Jonas P. (author), Li, Z. (author), Parnell, S.R. (author), Smith, Ronald I. (author), van Eck, Ernst R.H. (author), Ganapathy, S. (author), Wagemaker, M. (author)Chloride-based solid electrolytes are considered interesting candidates for catholytes in all-solid-state batteries due to their high electrochemical stability, which allows the use of high-voltage cathodes without protective coatings. Aliovalent Zr(iv) substitution is a widely applicable strategy to increase the ionic conductivity of Li<sub...journal article 2023
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Khosravi, M. (author), Smith, Roy S. (author)This paper discusses the problem of system identification when frequency domain side-information is available. We mainly consider the case where the side-information is provided as the H<sub>∞</sub>-norm of the system being bounded by a given scalar. This framework allows considering different forms of frequency domain side-information, such...journal article 2023
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Tiwari, V. (author), Abbink, T. F. (author), Ocadiz flores, J.A. (author), Flèche, J. L. (author), Gueneau, C. (author), Chatain, S. (author), Smith, A.L. (author), Martinet, J. (author), Venard, C. (author)A thorough understanding of the corrosion chemistry between molten salt fuel and structural materials (e.g., steel) is key for the advancement of Molten Salt Reactor technology. In this work, we consider more specifically the case of a chloride fuel salt mixture and the thermochemistry of a salt mixture such as (NaCl-MgCl<sub>2</sub>-PuCl<sub...journal article 2023
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Tsan, Vi hung (author), Fan, D. (author), Caneva, S. (author), Smith, C.S. (author), Verbiest, G.J. (author)A low-cost glass-based microfluidic flow cell with a piezo actuator is built using off-the-shelf parts (total cost €9 per device) to apply acoustophoretic force on polystyrene micro-beads. The main challenge in the fabrication of these devices was to ensure their leak tightness, which we solved using double-sided tape and nail polish. Beads...journal article 2023
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Botros, Alexander (author), Sadeghi, Armin (author), Wilde, N. (author), Alonso-Mora, J. (author), Smith, Stephen L. (author)Many problems in robotics seek to simultaneously optimize several competing objectives under constraints. A conventional approach to solving such multi-objective optimization problems is to create a single cost function comprised of the weighted sum of the individual objectives. Solutions to this scalarized optimization problem are Pareto...conference paper 2023
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O'Kane, Mary (author), Smith, Joel (author), Kilbride, Rachel C. (author), Spooner, Emma L.K. (author), Duif, C.P. (author), Catley, Thomas E. (author), Washington, Adam (author), King, Stephen M. (author), Parnell, S.R. (author), Parnell, Andrew J. (author)Tailoring the solution chemistry of metal halide perovskites requires a detailed understanding of precursor aggregation and coordination. In this work, we use various scattering techniques, including dynamic light scattering (DLS), small angle neutron scattering (SANS), and spin-echo SANS (SESANS) to probe the nanostructures from 1 nm to 10...journal article 2022
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Hung, S. (author), Llobet Rosell, Arnau (author), Jurriens, Daphne (author), Soloviev, O.A. (author), Kapitein, Lukas C. (author), Grußmayer, K.S. (author), Neukomm, Lukas J. (author), Verhaegen, M.H.G. (author), Smith, C.S. (author)Single-molecule localization microscopy (SMLM) enables the high-resolution visualization of organelle structures and the precise localization of individual proteins. However, the expected resolution is not achieved in tissue as the imaging conditions deteriorate. Sample-induced aberrations distort the point spread function (PSF), and high...journal article 2022
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Wiersma, M.S.J. (author), Heiles, B.G. (author), Kalisvaart, D. (author), Maresca, D. (author), Smith, C.S. (author)Ultrasound localization microscopy (ULM) is a vascular imaging method that provides a 10-fold improvement in resolution compared to ultrasound Doppler imaging. Because typical ULM acquisitions accumulate large numbers of synthetic microbubble (MB) trajectories over hundreds of cardiac cycles, transient hemodynamic variations such as pulsatility...journal article 2022
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Ocadiz flores, J.A. (author), Rooijakkers, B.A.S. (author), Konings, R. (author), Smith, A.L. (author)Corrected excess Gibbs energies of the liquid solutions in the ACl-ThCl4 (A = Li, Na, K), as well as revised standard enthalpies of formation and standard entropies of the intermediate phases occurring in the binary systems, are presented. The phase diagrams are reproduced to a similar level of accuracy as in the original publication, and the...journal article 2022
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Ocadiz flores, J.A. (author), Konings, R. (author), Smith, A.L. (author)CALPHAD models to compute the density and viscosity of four keystone systems related to Molten Salt Reactor (MSR) technology have been optimized: NaCl-UCl<sub>3</sub>, LiF-ThF<sub>4</sub>, LiF-UF<sub>4</sub>, and LiF-ThF<sub>4</sub>-UF<sub>4</sub>. Revised thermodynamic assessments of all four systems, using the modified quasichemical...journal article 2022
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Martinez-Rabert, Eloi (author), Smith, Cindy J. (author), Sloan, William T. (author), Gonzalez Cabaleiro, R. (author)Is it possible to find trends between the parameters that define microbial growth to help us explain the vast microbial diversity? Through an extensive database of kinetic parameters of nitrifiers, we analyzed if the dominance of specific populations of nitrifiers could be predicted and explained. We concluded that, in general, higher growth...journal article 2022
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Xia, P. (author), Vercruysse, F. (author), Celada-Casero, Carola (author), Verleysen, P. (author), Petrov, R.H. (author), Sabirov, I. (author), Molina-Aldareguia, J. M. (author), Smith, A. (author), Linke, B. (author), Frometa, D. (author)The article focuses on the effect of alloying and microstructure on formability of advanced high strength steels (AHSSs) processed via quenching and partitioning (Q&P). Three different Q&P steels with different combination of alloying elements and volume fraction of retained austenite are subjected to uniaxial tensile and Nakajima...journal article 2022
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Noom, J. (author), Soloviev, O.A. (author), Smith, C.S. (author), Nguyen, Hieu Thao (author), Verhaegen, M.H.G. (author)We demonstrate a novel closed-loop input design technique on the detection of particles in an imaging system such as a fluorescence microscope. The probability of misdiagnosis is minimized while constraining the input energy such that for instance phototoxicity is reduced. The key novelty of the closed-loop design is that each next input is...conference paper 2022
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Noom, J. (author), Soloviev, O.A. (author), Smith, C.S. (author), Verhaegen, M.H.G. (author)Some applications require high level of image-based classification certainty while keeping the total illumination energy as low as possible. Examples are minimally invasive visual inspection in Industry 4.0, and medical imaging systems such as computed tomography, in which the radiation dose should be kept “as low as is reasonably achievable”...conference paper 2022
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Hung, S. (author), Cnossen, J.P. (author), Fan, D. (author), Siemons, Marijn (author), Jurriens, Daphne (author), Grußmayer, K.S. (author), Soloviev, O.A. (author), Kapitein, Lukas C. (author), Smith, C.S. (author)High-NA light sheet illumination can improve the resolution of single-molecule localization microscopy (SMLM) by reducing the background fluorescence. These approaches currently require custom-made sample holders or additional specialized objectives, which makes the sample mounting or the optical system complex and therefore reduces the...journal article 2022
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Zhang, F. (author), Batashev, I. (author), Shen, Q. (author), Wu, Z. (author), Smith, Ronald I. (author), de Wijs, Gilles A. (author), van Dijk, N.H. (author), Brück, E.H. (author)The quarternary (Mn,Fe)<sub>2</sub>(P,Si)-based materials with a giant magnetocaloric effect (GMCE) at the ferromagnetic transition T<sub>C</sub> are promising bulk materials for solid-state magnetic refrigeration. In the present study we demonstrate that doping with the light elements fluorine and sulfur can be used to adjust T<sub>C</sub>...journal article 2022
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Xu, Bingjie Jenny (author), Wu, Yunan (author), Hao, Pengxiao (author), Vermeulen, Marc (author), McGeachy, Alicia (author), Smith, Kate (author), Eremin, Katherine (author), Rayner, Georgina (author), Alfeld, M.W.E.M. (author)X-ray fluorescence spectroscopy (XRF) plays an important role for elemental analysis in a wide range of scientific fields, especially in cultural heritage. XRF imaging, which uses a raster scan to acquire spectra pixel-wise across artworks, provides the opportunity for spatial analysis of pigment distributions based on their elemental...journal article 2022