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- Prakash, Kirti (author), Heintzmann, Rainer (author), Manor, Uri (author), Smith, C.S. (author) contribution to periodical 2023
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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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Li, Q. (author), Finn, Adrian J. (author), Doyle, Stephen J. (author), Smith, Robin (author), Kiss, A.A. (author)The synthesis of heat-integrated distillation sequences for energy-efficient separation of zeotropic multicomponent mixtures is complex due to the many interconnected design degrees of freedom. This paper explores the basis on which reliable screening can be carried out. To solve this problem, a screening algorithm has been developed using...book chapter 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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Dutta, Shamak (author), Wilde, N. (author), Smith, Stephen L. (author)We consider a general form of the sensor scheduling problem for state estimation of linear dynamical systems, which involves selecting sensors that minimize the trace of the Kalman filter error covariance (weighted by a positive semidefinite matrix) subject to polyhedral constraints. This general form captures several well-studied problems...conference paper 2023
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Dutta, Shamak (author), Wilde, N. (author), Tokekar, Pratap (author), Smith, Stephen L. (author)We study the sample placement and shortest tour problem for robots tasked with mapping environmental phenomena modeled as stationary random fields. The objective is to minimize the resources used (samples or tour length) while guaranteeing estimation accuracy. We give approximation algorithms for both problems in convex environments. These...conference paper 2023
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Nannini, Luca (author), Balayn, A.M.A. (author), Smith, Adam Leon (author)Public attention towards explainability of artificial intelligence (AI) systems has been rising in recent years to offer methodologies for human oversight. This has translated into the proliferation of research outputs, such as from Explainable AI, to enhance transparency and control for system debugging and monitoring, and intelligibility of...conference paper 2023
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Guerra, Omar J. (author), Almajed, Hussain M. (author), Smith, W.A. (author), Somoza Tornos, A. (author), Hodge, Bri Mathias S. (author)As energy systems across the globe transition toward net-zero emissions, the decarbonization of hard-to-decarbonize sectors, e.g., industry and transportation, is becoming more crucial. Renewable power-driven carbon dioxide (CO<sub>2</sub>) electrolysis has the potential to facilitate this transition by (1) substituting carbon-intensive...review 2023
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Noom, J. (author), Smith, C.S. (author), Verbiest, G.J. (author), Katan, A.J. (author), Soloviev, O.A. (author), Verhaegen, M.H.G. (author)We propose to use the State Estimation by Sum-of-Norms Regularisation (STATESON-)algorithm for recovering the tip-sample interaction in high-speed tapping mode atomic force microscopy (AFM). This approach enables accurate sample height estimation for each independent cantilever oscillation period, provided that the tip-sample interaction...journal article 2023
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Fan, D. (author), Cnossen, J.P. (author), Hung, S. (author), Kromm, D. (author), Dekker, N.H. (author), Verbiest, G.J. (author), Smith, C.S. (author)To better understand the interactions between biological molecules, a high optical resolution in all three dimensions is crucial. The intrinsically lower axial resolution of microscopes however, is a limiting factor in fluorescence imaging, correspondingly in fluorescence based single molecule localization microscopy (SMLM). Here, we present...journal article 2023
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Botros, Alexander (author), Gilhuly, Barry (author), Wilde, N. (author), Sadeghi, Armin (author), Alonso-Mora, J. (author), Smith, Stephen L. (author)We study the problem of deploying a fleet of mobile robots to service tasks that arrive stochastically over time and at random locations in an environment. This is known as the Dynamic Vehicle Routing Problem (DVRP) and requires robots to allocate incoming tasks among themselves and find an optimal sequence for each robot. State-of-the-art...journal article 2023
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Chen, Shuyi (author), Parnell, S.R. (author), Kokalari, I. (author), Smith, Gregory N. (author), Zeng, Bing Hong (author), Way, Tun Fun (author), Chuang, Fu Sheng (author), Rwei, A.Y. (author)Waterborne polyurethane (WPU) has attracted significant interest as a promising alternative to solvent-based polyurethane (SPU) due to its positive impact on safety and sustainability. However, significant limitations of WPU, such as its weaker mechanical strength, limit its ability to replace SPU. Triblock amphiphilic diols are promising...journal article 2023
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Nagalingam, Nagaraj (author), Raghunathan, Aswin (author), Korede, V.B. (author), Poelma, C. (author), Smith, C.S. (author), Hartkamp, Remco (author), Padding, J.T. (author), Eral, H.B. (author)We demonstrate that a cavitation bubble initiated by a Nd:YAG laser pulse below breakdown threshold induces crystallization from supersaturated aqueous solutions with supersaturation and laser-energy-dependent nucleation kinetics. Combining high-speed video microscopy and simulations, we argue that a competition between the dissipation of...journal article 2023
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van Hattem, A. (author), Alders, D.C. (author), Konings, R. (author), Smith, A.L. (author)The thermochemistry of the ternary system CsI-PbI<sub>2</sub>-BiI<sub>3</sub>, of interest for applications in photovoltaics, memory devices, and nuclear applications, among other things, is investigated in this work. The binary phase diagrams CsI-PbI<sub>2</sub> and CsI-BiI<sub>3</sub> were subjected to renewed experimental investigation,...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)Recent studies have demonstrated the viability of quenching and partitioning (Q&P) treatment for processing martensitic stainless steels showing an improved balance of high strength and sufficient ductility. However, to date, the fatigue behaviour of these materials has not been explored. This study examines the effect of their complex...journal article 2023
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Thor, Robin N. (author), Mertens, M. (author), Matthes, Sigrun (author), Righi, Mattia (author), Hendricks, Johannes (author), Brinkop, Sabine (author), Graf, Phoebe (author), Grewe, V. (author), Jöckel, Patrick (author), Smith, Steven (author)We report on an inconsistency in the latitudinal distribution of aviation emissions between the data products of phases 5 and 6 of the Coupled Model Intercomparison Project (CMIP). Emissions in the CMIP6 data occur at higher latitudes than in the CMIP5 data for all scenarios, years, and emitted species. A comparative simulation with the...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