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- Theelen, M.J. (author), Kouijzer, S. (author), Timmer, K. (author), Winands, G.J.J. (author), Poodt, P.W.G. (author), TNO Industrie en Techniek (author) conference paper 2010
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Yuan, C. (author), Xiao, A. (author), Salta, J. (author), de Langen, M. (author), van Driel, W. (author), TNO Industrie en Techniek (author)As the market demands for high power and high efficiency power electronics, the industries has developed advanced IC technology and conceptual configuration. However, in order to guarantee the performance and reliability of the power electronics, the challenge of the packaging arises. This paper will use the thermal measurements and finite...conference paper 2010
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Geers, L.F.G. (author), Volker, A.W.F. (author), Hunter, T.P.M. (author), TNO Industrie en Techniek (author)A novel flow measurement principle is presented enabling non-intrusive volume flow measurements of liquids in the ml/min range. It is based on an opto-acoustical time-of-flight principle, where the time interval is recorded in which a thermal label travels a known distance through a flow channel. Big advantages are the insensitivity to...article 2010
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Asadi, K. (author), Wildeman, J. (author), Blom, P.W.M. (author), de Leeuw, D.M. (author), TNO Industrie en Techniek (author)Resistive switches have been fabricated using a phase-separated blend film of ferroelectric random copolymer poly(vinylidene fluoride-co-trifluoroethylene) with the organic semiconductor regio-irregular poly(3-hexylthiophene) (rir-P3HT). Spin-coated blend films have been contacted with symmetrical Ag top and Ag bottom electrodes, yielding...article 2010
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Oosterwaal, M. (author), Statham, A.E. (author), Wijnen, M. (author), Hoppenbrouwers, M.B. (author), Kok, P.M.J. (author), TNO Industrie en Techniek (author)Purpose: The aim of the work was to develop a rehabilitation analysis solution that was robust, simple to use, wireless and inexpensive that could facilitate research and application in areas that were previously impractical. Methods: The embodiment of this vision was a pressure measurement insole and optical knee angle sensor system capable of...conference paper 2010
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Wouters, M.E.L. (author), Rentrop, C.H.A. (author), Willemsen, P.R. (author), TNO Industrie en Techniek (author)State-of-the-art coatings consist of all kinds of ingredients amongst which (inorganic) filler particles are important additives. Knowledge of particle modification and chemistry of the coating formulation allows tailoring the coating properties and thus its performance and applicability. Recently nanocomposite coating systems were produced by...article 2010
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Harpe, P. (author), Zhou, C. (author), Wang, X. (author), Dolmans, G. (author), de Groot, H. (author), TNO Industrie en Techniek (author)Applications like wireless sensor nodes require ultra low-power receivers with power-efficient ADCs. Moreover, the power-efficiency should be maintained for a wide range of sampling rates to enable system-level flexibility. Previously, the use of SAR ADCs has been proposed for low-power applications [1], [2]. This work describes the...conference paper 2010
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Naus, G. (author), Vugts, R. (author), Ploeg, J. (author), van de Molengraft, R. (author), Steinbuch, M. (author), TNO Industrie en Techniek (author)The design of a CACC system and corresponding experiments are presented. The design targets string stable system behavior, which is assessed using a frequency-domain-based approach. Following this approach, it is shown that the available wireless information enables small inter-vehicle distances, while maintaining string stable behavior. The...conference paper 2010
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Smeulers, J.P.M. (author), Pape, G. (author), TNO Industrie en Techniek (author)Pipe systems that are used in the process industry may occasionally be subjected to internal deflagration and detonation waves. In those cases the design of the pipe system should be explosion resistant or explosion proof. Special rules have been developed to design such pipe systems. On request of and in corporation with BASF in Ludwigshafen,...conference paper 2010
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Hovestad, A. (author), Rendering, H. (author), Peter, M. (author), Meinders, E.R. (author), TNO Industrie en Techniek (author)In many flexible electronic devices transparent conductive oxide (TCO) window layers are used for current collection. The trade-off between the electrical resistance and optical transmission of TCOs results in power losses. Increasing the electrical conductivity by combining metallic grids with TCOs enables reduction of these power losses....conference paper 2010
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Netten, B.D. (author), Wedemeijer, H. (author), TNO Industrie en Techniek (author)The complexity of cooperative systems makes the use of high fidelity simulation essential in the development and testing of cooperative applications and their interactions with other cooperative systems. In SAFESPOT a simulator test bench is setup to test the safety margin applications running on multiple vehicles and road side units. This paper...conference paper 2010
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Myny, K. (author), Beenhakkers, M.J. (author), van Aerle, N.A.J.M. (author), Gelinck, G.H. (author), Genoe, J. (author), Dehaene, W. (author), Heremans, P. (author), TNO Industrie en Techniek (author)Research towards organic RFID tags is one of the drivers of organic electronics. In recent years, 64b organic RFID tags have been shown with capacitive coupling [1] and inductive coupling at 13.56 MHz [2,3]. Recent improvements were a 128b organic transponder chip with basic anti-collision and Manchester encoding [4] and a first 4b tag in...conference paper 2010
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de Swart, J.A.M. (author), Bastiaans, R.J.M. (author), van Oijen, J.A. (author), de Goey, L.P.H. (author), Cant, R.S. (author), TNO Industrie en Techniek (author)In this paper we study the possibility to account for preferential diffusion effects in lean turbulent premixed flames in numerical predictions with reduced chemistry. We studied the situation when hydrogen is added to methane at levels of 20% and 40% by volume in the fuel, at lean combustion (φ= 0.7) with air. The base case of pure methane was...article 2010
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Belfroid, S.P.C. (author), van der Linden, R.J.P. (author), Alberts, G.J.N. (author), Aasheim, R. (author), Schulkes, R. (author), TNO Industrie en Techniek (author)To design and evaluate slugging control strategies, a simulator that is capable to simulate severe slugging accurately with limited CPU-needs is required; therefore a drift flux simulator was developed. The drift-flux simulator was used to simulate a field case. The pressure drop was predicted very well. However, an additional horizontal length...conference paper 2010
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Basten, T. (author), Berkhoff, A. (author), Vermeulen, R. (author), TNO Industrie en Techniek (author)Dutch navy ships are designed and built to have a low underwater signature. For low frequencies however, tonal vibrations of a gearbox can occur, which might lead to increased acoustic signatures. These vibrations are hard to reduce by passive means. To investigate the possibilities of active vibration control to reduce the underwater signature,...conference paper 2010
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van Mullem, D. (author), van Keulen, T. (author), Kessels, J.T.B.A. (author), de Jager, B. (author), Steinbuch, M. (author), TNO Industrie en Techniek (author)Energy Management Strategies for hybrid powertrains control the power split, between the engine and electric motor, of a hybrid vehicle, with fuel consumption or emission minimization as objective. Optimal control theory can be applied to rewrite the optimization problem to an optimization independent of time. Estimation of the Lagrange...conference paper 2010
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Kastelein, R.A. (author), Hoek, L. (author), Wensveen, P.J. (author), Terhune, J.M. (author), de Jong, C.A.F. (author), TNO Industrie en techniek (author)The underwater hearing sensitivities of two 2-year-old female harbor seals were quantified in a pool built for acoustic research by using a behavioral psycho-acoustic technique. The animals were trained only to respond when they detected an acoustic signal (“go/no-go” response). Detection thresholds were obtained for pure tone signals ...article 2010
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Barink, M. (author), van den Berg, D. (author), Yakimets, I. (author), Meinders, E.R. (author), TNO Industrie en Techniek (author)The challenge of lithographic production of electronic circuitry on polymer foil is that deformations approaching the feature sizes of the circuitry can cause considerable overlay problems and thereby malfunctioning of the devices. The substrate foil is susceptible to several types of deformations. Accurate prediction of these deformations is of...conference paper 2010
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Fischer, H.R. (author), TNO Industrie en Techniek (author)The application and suitability of micro-thermal analysis to detect changes in the chemical and physical properties of coating due to ageing and especially photo-degradation is demonstrated using a model polyester coating based on neopentyl glycol isophthalic acid. The changes in chemical structure like chain scission and cross-linking are...article 2010
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van Aken, R.H. (author), Maas, D.J. (author), Hagen, C.W. (author), Barth, J.E. (author), Kruit, P. (author), TNO Industrie en Techniek (author)The low-voltage foil corrector is a novel type of foil aberration corrector that can correct for both the spherical and chromatic aberration simultaneously. In order to give a realistic example of the capabilities of this corrector, a design for a low-voltage scanning electron microscope with the low-voltage foil corrector is presented. A fully...article 2010