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de Winkel, K.N. (author), Irmak, T. (author), Happee, R. (author), Shyrokau, B. (author)A prime concern for automated vehicles is motion comfort, as an uncomfortable ride may reduce acceptance of the technology amongst the general population. However, it is not clear how transient motions typical for travelling by car affect the experience of comfort. Here, we determine the relation between properties of vehicle motions (i.e.,...journal article 2023
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van Veldhuizen, B.N. (author), Zera, E. (author), van Biert, L. (author), Modena, S. (author), Visser, K. (author), Aravind, P.V. (author)Solid Oxide Fuel Cell (SOFC) systems have the potential to reduce emissions from seagoing vessels. However, it is unknown whether ship motions influence the system's operation. In this research, a 1.5 kW SOFC module is operated on an inclination platform that emulates ship motions, to evaluate the influence of static and dynamic inclinations...journal article 2023
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Hobma, Fred (author)Legislation is seen both as a problem and a solution for the lengthy process of spatial decision-making. The new Environment and Planning Act aims to speed up and improve decision-making on spatial projects. That sounds promising as an answer to the housing shortage. Can we indeed expect the Act to speed up housing projects? Will legal problems...journal article 2022
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van Driel, W.D. (author), Jacobs, B. (author), Watte, P. (author), Zhao, X. (author)Reliability is an essential scientific and technological domain intrinsically linked with system integration. Nowadays, semiconductor industries are confronted with ever-increasing design complexity, dramatically decreasing design margins, increasing chances for and consequences of failures, shortening of product development and qualification...journal article 2022
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Arvanitis, P. (author), Betting, Jan Harm L.F. (author), Bosman, Laurens W.J. (author), Al-Ars, Z. (author), Strydis, C. (author)Mice and rats can rapidly move their whiskers when exploring the environment. Accurate description of these movements is important for behavioral studies in neuroscience. Whisker tracking is, however, a notoriously difficult task due to the fast movements and frequent crossings and juxtapositionings among whiskers. We have recently developed...conference paper 2022
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Ross, Robert (author), Koopmans, Gerben (author)Testing materials and devices for a specific failure mechanism usually yields a characteristic distribution of failure times. However, failure of power electronics (PE) can be due to a manifold of mechanisms. Even in a single PE device multiple failure processes may compete. For instance, modules may contain various components that fail...book chapter 2022
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Ananduta, W. (author), Ocampo-Martinez, Carlos (author), Nedic, Angelia (author)In this paper, we propose a distributed model predictive control (MPC) scheme for economic dispatch of energy systems with a large number of active components. The scheme uses a distributed optimization algorithm that works over random communication networks and asynchronous updates, implying the resiliency of the proposed scheme with respect...journal article 2021
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Liu, Di (author), Baldi, S. (author), Jain, V. (author), Yu, Wenwu (author), Frasca, Paolo (author)Recently proposed adaptive platooning strategies for connected automated vehicles are able to cope with uncertain vehicle parameters (uncertain driveline time constants), but can handle only acyclic graphs like look-ahead graphs. This prevents from enhancing platooning protocols with synchronized merging maneuvers, where cyclic communication...journal article 2021
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Fang, J. (author), Chen, Jianyu (author), Lee, Jinho (author), Al-Ars, Z. (author), Hofstee, H.P. (author)To best leverage high-bandwidth storage and network technologies requires an improvement in the speed at which we can decompress data. We present a “refine and recycle” method applicable to LZ77-type decompressors that enables efficient high-bandwidth designs and present an implementation in reconfigurable logic. The method refines the write...journal article 2020
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Fang, J. (author)Though field-programmable gate arrays (FPGAs) have been used to accelerate database systems, they have not been widely adopted for the following reasons. As databases have transitioned to higher bandwidth technology such as in-memory and NVMe, the communication overhead associated with accelerators has become more of a burden. Also, FPGAs are...doctoral thesis 2019
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Houtgast, E.J. (author)Developments in sequencing technology have drastically reduced the cost of DNA sequencing. The raw sequencing data being generated requires processing through computationally demanding suites of bioinformatics algorithms called genomics pipelines. The greatly decreased cost of sequencing has resulted in its widespread adoption, and the amount of...doctoral thesis 2019
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Fang, J. (author), Mulder, Yvo T.B. (author), Hidders, Jan (author), Lee, Jinho (author), Hofstee, H.P. (author)While FPGAs have seen prior use in database systems, in recent years interest in using FPGA to accelerate databases has declined in both industry and academia for the following three reasons. First, specifically for in-memory databases, FPGAs integrated with conventional I/O provide insufficient bandwidth, limiting performance. Second, GPUs,...journal article 2019
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Nunez, Alfredo (author), Jamshidi, A. (author), Wang, H. (author)This paper presents a Pareto-based maintenance decision system for rail welds in a regional railway network. Weld health condition data are collected using a train in operation. A Hilbert spectrum-based approach is used for data processing to detect and assess the weld quality based on multiple registered dynamic responses in the axle box...journal article 2018
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Houtgast, E.J. (author), Sima, V.M. (author), Bertels, K.L.M. (author), Al-Ars, Z. (author)We present our work on hardware accelerated genomics pipelines, using either FPGAs or GPUs to accelerate execution of BWA-MEM, a widely-used algorithm for genomic short read mapping. The mapping stage can take up to 40% of overall processing time for genomics pipelines. Our implementation offloads the Seed Extension function, one of the main...journal article 2018
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Cabrera Quiros, L.C. (author), Demetriou, A.M. (author), Gedik, E. (author), van der Meij, Leander (author), Hung, H.S. (author)We present MatchNMingle, a novel multimodal/multisensor dataset for the analysis of free-standing conversational groups and speed-dates in-the-wild. MatchNMingle leverages the use of wearable devices and overhead cameras to record social interactions of 92 people during real-life speed-dates, followed by a cocktail party. To our knowledge,...journal article 2018
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Yu, J. (author), Du Nguyen, H.A. (author), Xie, L. (author), Taouil, M. (author), Hamdioui, S. (author)CMOS technology and its continuous scaling have made electronics and computers accessible and affordable for almost everyone on the globe; in addition, they have enabled the solutions of a wide range of societal problems and applications. Today, however, both the technology and the computer architectures are facing severe challenges/walls making...conference paper 2018
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Ashraf, I. (author), Khammassi, N. (author), Taouil, M. (author), Bertels, K.L.M. (author)The growing demand of processing power is being satisfied mainly by an increase in the number of homogeneous and heterogeneous computing cores in a system. Efficient utilization of these architectures demands analysis of memory-access behaviour of applications and perform data-communication aware mapping of applications on these architectures....journal article 2018
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Vos, T. (author), den Breeijen, P. (author), van Driel, W.D. (author)In the past 4 years we have witnessed a change in quality and reliability to make the marked introduction of solid-state lighting (SSL) successful. LED penetration levels have reached values of 10–30%, depending on the application. The number and variety of LED packages and, thus, associated LED-based products, have significantly increased in...book chapter 2018
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Yang, J. (author)Crowd knowledge creation plays a central role in many types of Web based information systems, ranging from community question-answering (CQA) systems (e.g. StackOverflow and Quora) to micro-task crowdsourcing systems (e.g. Amazon mTurk and CrowdFlower). In these systems, knowledge demands are generally fulfilled by means of tasks (e.g. questions...doctoral thesis 2017
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Schwarting, Wilko (author), Alonso-Mora, J. (author), Pauli, Liam (author), Karaman, Sertac (author), Rus, Daniela (author)Current state-of-the-art vehicle safety systems, such as assistive braking or automatic lane following, are still only able to help in relatively simple driving situations. We introduce a Parallel Autonomy shared-control framework that produces safe trajectories based on human inputs even in much more complex driving scenarios, such as those...conference paper 2017
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