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Jain, S. (author), McKusick, E. (author), Ciccone, L (author), Sprengel, M. (author), Ritenbaugh, C. (author)Objectives. This study examined the feasibility and effectiveness of a virtually-delivered, biofield-based sound healing treatment to reduce anxiety for individuals meeting criteria for Generalized Anxiety Disorder. Design. This one-group, mixed-method feasibility study was conducted virtually via Zoom during the SARS-CoV-2 Pandemic. Fifteen...article 2023
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Hasan, M.M. (author), Avramis, N. (author), Ranta, M. (author), El Baghdadi, M. (author), Hegazy, O. (author)This study presents the optimization and tuning of a simulation framework to improve its simulation accuracy while evaluating the energy utilization of electric buses under various mission scenarios. The simulation framework was developed using the low fidelity (Lo-Fi) model of the forward-facing electric bus (e-bus) powertrain to achieve the...article 2023
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de Kok, M. (author), Monni S., (author), van Heijningen, M. (author), Garufo, A. (author), Smolders, B.A. (author), Johannsen, U. (author)This article reviews the current state-of-the-art of active-integrated antennas co-designed with power amplifiers (PAs). Three strategies to improve output power and power-added efficiency are described using examples, namely direct matching between PA and antenna, tuning of harmonic reflections in the antenna, and in-antenna power combining...conference paper 2022
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Degraen, D. (author), Bruno Fruchard, B. (author), Smolders, F. (author), Potetsianakis, E. (author), Güngör, S. (author), Krüger, A. (author), Steimle, J. (author)Effective haptic feedback in virtual reality (VR) is an essential element for creating convincing immersive experiences. To design such feedback, state-of-the-art VR setups provide APIs for programmatically generating controller vibration patterns. While tools for designing vibrotactile feedback keep evolving, they often require expert knowledge...conference paper 2021
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Lawrie, W.I.L. (author), Eenink, H.G.J. (author), Hendrickx, N.W. (author), Boter, J.M. (author), Petit, L. (author), Amitonov, S.V. (author), Lodari, M. (author), paquelet Wuetz, B. (author), Volk, C. (author), Philips, S.G.J. (author), Droulers, G. (author), Kalhor, N. (author), van Riggelen, F. (author), Brousse, D. (author), Sammak, A. (author), Vandersypen, L.M.K. (author), Scappucci, G. (author), Veldhorst, M. (author)Electrons and holes confined in quantum dots define excellent building blocks for quantum emergence, simulation, and computation. Silicon and germanium are compatible with standard semiconductor manufacturing and contain stable isotopes with zero nuclear spin, thereby serving as excellent hosts for spins with long quantum coherence. Here, we...article 2020
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Medina, R. (author), Valencia, J. (author), Stuijk, S. (author), Goswami, D. (author), Basten, T. (author)Pipelined image-based control uses parallel instances of its image-processing algorithm in a pipelined fashion to improve the quality of control. A performance-oriented control design improves the controller settling time with each additional processing resource, which creates a resources-performance trade-off. In real-life applications, it is...article 2019
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Medina, R. (author), Stuijk, S. (author), Goswami, D. (author), Basten, T. (author)Image-Based control systems extract information by a camera and an image processing algorithm. The challenge of such controllers is that the sensing latency deteriorates the control performance. Multi-core technology can be used to implement the sensing algorithm in a pipelined fashion. More processing resources potentially lead to better...conference paper 2017
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Willemen, P. (author), Laselva, D. (author), Wang, Y. (author), Kovács, I. (author), Djapic, R. (author), Moerman, I. (author)Mobile network operators (MNOs) are deploying carrier-grade Wireless Local Area Network (WLAN) as an important complementary system to cellular networks. Access network selection (ANS) between cellular and WLAN is an essential component to improve network performance and user quality-of-service (QoS) via controlled loading of these systems. In...article 2016
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Baart, T.A. (author), Eendebak, P.T. (author), Reichl, C. (author), Wegscheider, W. (author), Vandersypen, L.M.K. (author)We report the computer-automated tuning of gate-defined semiconductor double quantum dots in GaAs heterostructures. We benchmark the algorithm by creating three double quantum dots inside a linear array of four quantum dots. The algorithm sets the correct gate voltages for all the gates to tune the double quantum dots into the single-electron...article 2016
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Doelman, N.J. (author), van den Braber, R. (author), Kasparek, W. (author), Erckmann, V. (author), Bongers, W. (author), Stober, J. (author), Fritz, E. (author), Dekker, B. (author), Krijger, B. (author), Hollmann, F. (author), Michel, G. (author), Noke, F. (author), Purps, F. (author), Maraschek, M. (author), Monaco, F. (author), Müller, S. (author), Schütz, H. (author), Wagner, D. (author)An adaptive mirror control strategy for tuning an optical resonator is described. The control approach is modelfree and uses a small-amplitude perturbation signal to enable real-time estimation of the cost function gradient. The strategy has similarities with the approaches of 'stochastic approximation' and 'extremum seeking control', which are...conference paper 2013
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Haasdijk, E. (author), Smit, S.K. (author), Eiben, A.E. (author)In traditional evolutionary robotics, robot controllers are evolved in a separate design phase preceding actual deployment; we call this off-line evolution. Alternatively, robot controllers can evolve while the robots perform their proper tasks, during the actual operational phase; we call this on-line evolution. In this paper we describe three...article 2012
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Wang, Z. (author), Matova, S. (author), Elfrink, R. (author), Jambunathan, M. (author), de Nooijer, C. (author), van Schaijk, R. (author), Vullers, R.J.M. (author)The paper addresses the design, modeling, fabrication and experimental results of a piezoelectric energy harvester based on clamped-guided beams. The design is featured by shorter mass displacement and higher reliability than cantilever beams. Two separate sets of capacitors allow exploiting both tensile and compressive stress at the same time....conference paper 2012
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Wang, Y. (author), Mangnus, J. (author), Kostić, D. (author), Nijmeijer, H. (author), Jansen, S.T.H. (author)New driver support systems require knowledge of the vehicle position with great accuracy and reliability. Satellite navigation (GNSS) is generally insufficiently accurate for positioning and as an alternative to using a ground station, combinations with high quality motion sensors are used in so-called Inertial Navigation Systems. However the...conference paper 2011
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van Lambalgen, R. (author), van Maanen, P.P. (author), TNO Defensie en Veiligheid (author)In this paper it is explored whether personalisation of an existing computational model of attention can increase the model's validity. Computational models of attention are for instance applied in attention allocation support systems and can benefit from this increased validity. Personalisation is done by tuning the model's parameters during a...conference paper 2010
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de Kok, M.M. (author), Sarfert, W. (author), Paetzold, R. (author), TNO Industrie en Techniek (author)Colour tuning of white polymer light emitting diode (LED) light sources can be attained by various methods at various stages in the production process of the lamps and/or by the design of the active material incorporated in the LEDs. In this contribution we will describe the methods and discuss the physical background of colour tuning....article 2010
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Smeaton, A.F. (author), Over, P. (author), Kraaij, W. (author), Technisch Physische Dienst TNO - TH (author)TRECVID is an annual exercise which encourages research in information retrieval from digital video by providing a large video test collection, uniform scoring procedures, and a forum for organizations interested in comparing their results. TRECVID benchmarking covers both interactive and manual searching by end users, as well as the...conference paper 2004
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Swinkels, B.L. (author), Wendrich, T.J. (author), Bhattacharya, N. (author), Wielders, A.A. (author), Braat, J.J.M. (author), Technisch Physische Dienst TNO - TH (author)Space interferometers consisting of several free flying telescopes, such as the planned Darwin mission, require a complex metrology system to make all the components operate as a single instrument. This metrology system consists of various sub-systems to monitor distances, angles and speeds. Our research focuses on one of these sub-systems that...conference paper 2004
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TNO Fysisch en Elektronisch Laboratorium TNO Industrie en Techniek (author), Galdi, V. (author), Gerini, G. (author), Guglielmi, M. (author), Visser, H.J. (author), D'Agostino, F. (author)An alternative configuration for an infinite coaxially end-fed waveguide phased-array antenna is explored. In the proposed configuration, the integration of the end-fed launcher and the output waveguide, rather than the waveguide in itself, acts as a basic radiator. This allows the design of more compact antenna elements. In order to analyze and...article 2002
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Boria, V. (author), Gerini, G. (author), Guglielmi, M. (author), TNO Fysisch en Elektronisch Laboratorium (author)An advanced EM based CAD tool is used for the detailed characterisation of a family of reentrant coaxial waveguide filters. The EM analysis includes the effects of tuning screws and of the input/output coaxial excitation. The software is essentially used as an efficient replacement for the traditional experimental characterisation procedure. As...conference paper 1999
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Hollemans, B.H. (author), TNO Wegtransportmiddelen (author)Excise and other duties measures in Europe, threaten to affect the low price of LPG as a car fuel. As a result, this less polluting fuel would lose position. For this reason the Netherlands LPG industry commissioned TNO to undertake a study which would clearly demonstrate the advantages of LPG. The project was carried out in close cooperation...conference paper 1996
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