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Schmidt, R.D.O. (author), Sadre, R. (author), Sperotto, A. (author), van den Berg, H. (author), Pras, A. (author)Link dimensioning is used by network operators to properly provision the capacity of their network links. Proposed methods for link dimensioning often require statistics, such as traffic variance, that need to be calculated from packet-level measurements. In practice, due to increasing traffic volume, operators deploy packet sampling techniques...article 2015
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Laurent, N. (author), Bijl, P. (author), Deltel, G. (author)Night vision equipment is crucial in order to accomplish supremacy and safety of the troops on the battlefield. Evidently, system integrators, ministry of defenses and end-users need access to reliable quantitative characterization of the expected field performance when using night vision equipment. The image intensifier tube is one of the most...article 2015
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Anitori, L. (author), van Rossum, W.L. (author), Huizing, A.G. (author)In this paper we present some preliminary results on antenna array extrapolation for Direction Of Arrival (DOA) estimation using Sparse Reconstruction (SR). The objective of this study is to establish wether it is possible to achieve with an array of a given physical length the performance (in terms of accuracy, resolution and sidelobe level) of...conference paper 2015
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Phillipson, F. (author)The need for higher bandwidth by customers urges the network providers to upgrade their networks. Fibre to the home or Fibre to the curb are two of the scenarios that are considered. To make a proper assessment on the economic viability, a good estimation of the roll-out costs of the networks are important. Geometric models are easy to use for...conference paper 2015
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Friesen, M.C. (author), Shortreed, S.M. (author), Wheeler, D.C. (author), Burstyn, I. (author), Vermeulen, R. (author), Pronk, A. (author), Colt, J.S. (author), Baris, D. (author), Karagas, M.R. (author), Schwenn, M. (author), Johnson, A. (author), Armenti, K.R. (author), Silverman, D.T. (author), Yu, K. (author)Objectives: Rule-based expert exposure assessment based on questionnaire response patterns in population-based studies improves the transparency of the decisions. The number of unique response patterns, however, can be nearly equal to the number of jobs. An expert may reduce the number of patterns that need assessment using expert opinion, but...article 2015
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Teerhuis, A. (author), Schmeitz, A.J.C. (author), Molengraft-Luijten, L. (author)In this work, a tire state estimator (TSE) was developed and validated using experimental data. A tire has been equipped with an accelerometer on the inner liner measuring radial acceleration. First, an empirical model was developed consisting of a basic shape function for the acceleration and relations that relate the parameters of this...conference paper 2015
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Schmidt, S.C. (author), Sleddens, E.F.C. (author), de Vries, S.I. (author), Gubbels, J. (author), Thijs, C. (author)Changes in the neighborhood environment may explain part of the rapid increase in childhood overweight and obesity during the last decades. To date few theory-driven rather than data-driven studies have explored longitudinal associations between multiple neighborhood characteristics and child body weight development. We aimed to assess the...article 2015
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Brouwer, A.M. (author), Zander, T.O. (author), van Erp, J.B.F. (author), Korteling, J.E. (author), Bronkhorst, A.W. (author)Estimating cognitive or affective state from neurophysiological signals and designing applications that make use of this information requires expertise in many disciplines such as neurophysiology, machine learning, experimental psychology, and human factors. This makes it difficult to perform research that is strong in all its aspects as well as...article 2015
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Coenen, P. (author), Kingma, I. (author), Boot, C.R.L. (author), Bongers, P.M. (author), van Dieën, J.H. (author)The trade-off between feasibility and accuracy of measurements of physical exposure at the workplace has often been discussed, but is unsufficiently understood. We therefore explored the effect of two low-back loading measurement tools with different accuracies on exposure estimates and their associations with low-back pain (LBP). Low-back...article 2015
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Thiel, A. (author), Etheve, S. (author), Fabian, E. (author), Leeman, W.R. (author), Plautz, J.R. (author)Consumer health risk assessment for feed additives is based on the estimated human exposure to the additive that may occur in livestock edible tissues compared to its hazard.We present an approach using alternative methods for consumer health risk assessment. The aim was to use the fewest possible number of animals to estimate its hazard and...article 2015
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de Schmidt, R.O. (author), van den Den Berg, J.L. (author), Pras, A. (author)The ever increasing traffic demands and the current trend of network and services virtualization calls for effective approaches for optimal use of network resources. In the future Internet multiple virtual networks will coexist on top of the same physical infrastructure, and these will compete for bandwidth resources. Link dimensioning can...conference paper 2015
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Tavakoli, R. (author), Nabi, M. (author), Basten, T. (author), Goossens, K. (author)Cross-technology interference on the license-free ISM bands has a major negative effect on the performance of Wireless Sensor Networks (WSNs). Channel hopping has been adopted in the Time-Slotted Channel Hopping (TSCH) mode of IEEE 802.15.4e to eliminate blocking of wireless links caused by external interference on some frequency channels. This...conference paper 2015
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Polinder, H. (author), Spiekman, M.E. (author), van Dijk, H.A.L. (author)A next generation of models is needed to guarantee energy performances of buildings and systems in practice. Current energy performance models use assumptions on climate, user behavior, characteristics of building and systems that may deviate from reality. Improvement of the accuracy of these models and assumptions is necessary to better predict...article 2015
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van den Berg, F. (author), Haverkort, B.R. (author), Hooman, J. (author)Service-oriented systems are designed for interconnecting with other systems. The provided services face timing constraints, the so-called latencies. We present a high-level performance evaluation technique that can be used by a system designer to obtain distributions of these latencies. This technique is capable of capturing nondeterministic,...conference paper 2015
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Barros, A.I. (author), Bijsterbosch, G. (author), van Mourik, M.R. (author), Noordkamp, H.W. (author), van der Vecht, B. (author)Het aantal vermissingen is de laatste jaren steeds toegenomen, volgens Landelijk Bureau Vermiste Personen (De Telegraaf 2014), en het hoge aantal vereist een grote politie-inspanning. Het efficiënt en effectief aanpakken van een vermissing wordt dus alleen maar belangrijker. Dit artikel gaat in op de huidige werkwijze en problematiek bij...article 2015
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Gruson, J.F. (author), Serbutoviez, S. (author), Delprat-Jannaud, F. (author), Akhurst, M. (author), Nielsen, C. (author), Dalhoff, F. (author), Bergmo, P. (author), Bos, C. (author), Volpi, V. (author), Iacobellis, S. (author)Carbon Capture and Storage (CCS) should be a key technology in order to achieve a decline in the CO2 emissions intensity of the power sector and other intensive industry, but this potential deployment could be restricted by cost issues as the International Energy Agency (IEA) in their last projections (World Energy Outlook 2013) has considered...article 2015
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Brouwer, A.M. (author), Hogervorst, M.A. (author), Reuderink, B. (author), van der Werf, Y. (author), van der Erp, J.B.F. (author)We are interested in monitoring an individual’s emotions during the reading of a novel. While physiological responses to experimentally induced emotions are often small and inconsistent, being engaged in a novel may elicit relatively strong responses. We analyzed EEG, ECG, skin conductance and respiration of 57 readers reading a complete, yet to...article 2015
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Walser, T. (author), Meyer, D. (author), Fransman, W. (author), Buist, H. (author), Kuijpers, E. (author), Brouwer, D. (author)Life-Cycle Assessment (LCA) is a well-established method to evaluate impacts of chemicals on the environment and human health along the lifespan of products. However, the increasingly produced and applied nanomaterials (defined as one dimensionarticle 2015
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Schinkel, J. (author), Fransman, W. (author), McDonnell, P.E. (author), Entink, R.K. (author), Tielemans, E. (author), Kromhout, H. (author)Objectives: The aim of this study was to assess the reliability of the Advanced REACH Tool (ART) by (i) studying interassessor agreement of the resulting exposure estimates generated by the ART mechanistic model, (ii) studying interassessor agreement per model parameters of the ART mechanistic model, (iii) investigating assessor characteristics...article 2014
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Uijtdewilligen, L. (author), Twisk, J.W.R. (author), Chinapaw, M.J.M. (author), Koppes, L.L.J. (author), van Mechelen, W. (author), Singh, A.S. (author)Purpose: This study aimed to examine the longitudinal associations of person-related factors with physical activity (PA) behavior in young adults. Methods: We analyzed longitudinal self-reported time spent in moderate-intensity PA (MPA; 4-7 METs) and vigorous-intensity PA (VPA; >7 METs) from 499 young adults (49% male) who participated in the...article 2014