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Wachter, E. (author), Alirezaei, M. (author), Bruzelius, F. (author), Schmeitz, A. (author)Tyres operated at or close to their friction limits show a highly nonlinear motion to force response. This state is called limit handling. The objective of this research is to minimize lateral path tracking error while the tyres operate in limit handling. The State Dependent Riccati Equation technique is employed to develop a feedback...article 2019
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Constrained multivariable extremum-seeking for online fuel-efficiency optimization of Diesel enginesvan der Weijst, R. (author), van Keulen, T. (author), Willems, F.P.T. (author)This work presents a new method for online fuel-efficiency optimization of Diesel engines, using constrained extremum-seeking. A two-input optimization problem, which is suitable for extremum-seeking, is integrated into a tracking control system. As a result, both air-path and fuel-path actuators are used for tracking and extremum-seeking. A key...article 2019
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Xia, L. (author), Willems, R. (author), Jager, B.D. (author), Willems, F. (author)Fuel efficiency optimization and emission reduction have become essential parts of engine research, due to the growing demand for environmental protection. In this paper, a computationally efficient optimization method has been applied to maximize the fuel efficiency under constraints of maximum pressure rise rate and various pollutant emissions...conference paper 2019
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Ushakov, A. (author), Verlaan, A.L. (author), Ebeling, R.P. (author), Wu, C.C. (author), O'Neill, R. (author), Smith, M. (author), Stratton, B. (author), Koster, N.B. (author), Gattuso, A. (author), Lasnier, C.J. (author), Feder, R. (author), Maniscalco, M.P. (author), Verhoeff, P. (author)One of the important aspects of the service life of the first and second optical mirrors (FM and SM) in ITER UWAVS diagnostics is to understand the influence of plasma cleaning on materials re-deposition and optical surface quality after multiple cleaning cycles. The capacitively coupled RF 30-60 MHz system is a candidate for the UWAVS mirror...article 2019
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Kolodziejak, D.P.H. (author), Pham, T.H. (author), Hofman, T. (author), Wilkins, S. (author)This paper develops an optimization framework to minimize the Total Cost of Ownership (TCO) for Plug-in Hybrid Electric Vehicles (PHEVs). In this paper, TCO is the summation of operational and main vehicle powertrain components cost. The developed optimization framework is formulated via combining convex optimization and Dynamic Programming...conference paper 2019
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- Kirschbichler, S. (author), Op Den Camp, O.M.G.C. (author), Bianco, E. (author), Borgarello, L. (author), Harre, M.C. (author), Niermann, D. (author), Rambaldini, A. (author), Toffetti, A. (author), Wimmer, P. (author) report 2019
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- Ljung Aust, M. (author), de Craen, S. (author), Köhler, A.L. (author), Op Den Camp, O.M.G.C. (author), Wallgren, P. (author) report 2019
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Romijn, T.C.J. (author), Pham, T.H. (author), Wilkins, S. (author)In this paper, a modular equivalent consumption minimization strategy (ECMS) framework for hybrid vehicles is proposed. The approach is based on applying the dual decomposition to the ECMS optimal control problem. This allows the optimal control problem to be decomposed into smaller optimization problems related to each of the subsystems, for...conference paper 2019
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de Gelder, E. (author), Paardekooper, J.P. (author), op den Camp, O. (author), de Schutter, B. (author)Objective: The amount of collected field data from naturalistic driving studies is quickly increasing. The data are used for, among others, developing automated driving technologies (such as crash avoidance systems), studying driver interaction with such technologies, and gaining insights into the variety of scenarios in real-world traffic....article 2019
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Ushakov, A. (author), Verlaan, A.L. (author), Ebeling, R.P. (author), Rijfers, A. (author), O'Neill, R. (author), Smith, M. (author), Stratton, B. (author), Koster, N.B. (author), van der List, J.F.M. (author), Gattuso, A. (author), Lasnier, C.J. (author), Feder, R. (author), Maniscalco, M.P. (author), Verhoeff, P. (author)In ITER, first mirrors for the Upper Wide Angle Viewing System (UWAVS) are expected to experience contamination with beryllium and tungsten. Contamination levels of 10 nm can degrade mirror performance. In the UWAVS, a first mirror cleaning system will use radio-frequency (RF) gas discharge. A mockup in representative geometry was developed. The...article 2018
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Ushakov, A. (author), Verlaan, A.L. (author), Ebeling, R.P. (author), Rijfers, A. (author), O'Neill, R. (author), Smith, M. (author), Stratton, B. (author), Koster, N.B. (author), van der List, J.F.M. (author), Gattuso, A. (author), Lasnier, C.J. (author), Feder, R. (author), Maniscalco, M.P. (author), Verhoeff, P. (author)First metallic mirrors used in optical diagnostics such as the Upper Wide Angle Viewing System (UWAVS) in ITER may undergo contamination with beryllium and tungsten. Contamination levels of 10 nm can significantly degrade mirror performance. A UWAVS first mirror cleaning system prototype uses radio-frequency (RF) gas discharge to remove...article 2018
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- de Craen, S. (author), Hülsken, K. (author), Karlsson, M. (author), Köhler, A.L. (author), Ladwig, S. (author), Op Den Camp, O.M.G.C. (author) report 2018
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van der Horst, A.R.A. (author), Thierry, M.C. (author), Vet, J.M. (author), Fazlur Rahman, A.K.M. (author)With 21,000 people annually killed in road traffic (estimated figure by World Health Organization), Bangladesh has one of the highest fatality rates in the world. Vulnerable road users (VRUs) account for over 50% of road traffic casualties, and 70% of casualties occur in rural areas. As in many Low and Middle Income Countries (LMICs), the...article 2017
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Eijk, A.R.A. (author), van Mensch, P. (author), Elstgeest, M. (author)In steden rijden veel brommers en de populariteit van dit vervoermiddel neemt nog steeds toe. Brommers veroorzaken helaas ook overlast in steden, inwoners klagen over parkeeroverlast, stank, lawaai en rijgedrag. Ondanks het feit dat veel over de uitstoot van brommers (lees: brom- en snorfietsen) geklaagd wordt, blijkt uit diverse studies (Eijk &...report 2017
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- Almirall, J. (author), Ceci, R. (author), Drouard, K. (author), Escoffier, M. (author), de Goede, M. (author), Hoffmann, N. (author), Kelly, M. (author), Madsen, H.K. (author), Martinetto, O. (author), Modig, H. (author), Pribyl, P. (author), Tesson, M. (author), Vergnault, J.M. (author) conference paper 2016
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den Uil, H. (author), Wittkampf, S.A. (author)ECN has developed a simple and inexpensive method to prevent clogging of dust in capillary columns of mass spectrometers or gas chromatographs. In some processes there are dust particles present in the process gas. The method developed by ECN is a smart solution that helps to prevent that dust particles end up in the analyzer.other 2016
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van der Horst, A.R.A. (author), Thierry, M.C. (author), Vet, J.M. (author), Rahman, A.F. (author)With 21,000 people annually killed in road traffic (estimated figure by World Health Organization), Bangladesh has one of the highest fatality rates in the world. Vulnerable road users (VRUs) account for over 50% of road traffic casualties, and 70% of casualties occur in rural areas. As in many Low and Middle Income Countries (LMICs), the...article 2016
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Laureshyn, A. (author), de Goede, M. (author), Saunier, N. (author), Fyhri, A. (author)Relying on accident records as the main data source for studying cyclists’ safety has many drawbacks, such as high degree of under-reporting, the lack of accident details and particularly of information about the interaction processes that led to the accident. It is also an ethical problem as one has to wait for accidents to happen in order to...article 2016
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Vet, J.M. (author), Thierry, M.C. (author), van der Horst, A.R.A. (author), Rahman, A.K.M.F. (author)Over 20,000 people are killed due to road traffic crashes in Bangladesh annually. The country has over 100 road traffic deaths per 10,000 motor vehicles, one of the highest rates in the world. 70% of crash fatalities occur in rural areas. In 2014, Safe Crossings (Netherlands) and CIPRB (Bangladesh) received permission from the government of...conference paper 2016
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Flegler, A. (author), Schneider, M. (author), Prieschl, J. (author), Stevens, R. (author), Vinnay, T. (author), Mandel, K. (author)Here, we report a continuous flow synthesis of nano LDH, comprising a continuous precipitation process using static mixers and followed by an immediate cleaning process via a semi-continuous centrifuge to obtain the final product in one-go. Via this synthesis setup, it is possible to independently vary the concentrations of the reactants during...article 2016