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The movement of particles, individually driven, creating a flow with collective properties interests me. This could be granular matter, foam, but also birds, cars, or even currency. They all lead to very interesting collective behavior. Especially the phase transitions are interesting. When would traffic be called congested. Macroscopically, there are important differences between the dynamics of congested traffic and free-flowing traffic. At the other hand, if is difficult for one driver to tell whether he is driving in congestion or in free flow (at least, in heavy traffic it might be difficult). What interests me, scientifically, is how changes on the scale of the particles (vehicles, drivers) change the collective behavior of the flow. This also gives the societal interest: small changes in driving behavior might change the complete traffic pattern...
Over the past years, I developed some software, mainly Matlab code which makes research a bit easier. I share some of them at the software site.
Since 1 March 2011 Victor Knoop is working on a postdoc research at the Delft University of Technology, at the group Transport and Planning. He works on a project for the foundation Next Generation Infrastructures on combining macroscopic and microscopic traffic simulations in oder to get to real-time traffic managment. He also works for the SI4MS project (Sensor Intelligence for Mobility Systems), which aims at setting up an common ICT platform for monitoring traffic and to come to cooperative driving, dynamic traffic information and distributed traffic management.
| 2009-2010 | Post-doc | LICIT research group (collaboration of ENTPE and INRETS, Lyon, France), in collaboration with the Delft University of Technology |
NWO sponsored Rubicon project How Traffic Jams Start. Analyse the lane changing and merging behaviour of drivers. |
2005-2009 |
PhD student | Delft University of Technology (NL) | Incidents on the Road and Network Dynamics |
| 2006 | Internship | Arane Traffic Consultancy | Evaluation of Variable Massage Signs |
| 2007-2008 | Research project | Imperial College , London (UK) | Risk-averse Dynamic Traffic management |
| 2000-2005 | Bachelor & Master | Leiden University (NL) | Physics |
| 2004 | Master project | Ecole Polytechnique Federale de Lausanne (CH) | Physics - Fluid dynamics |
| 2005 | Master project | TNO , the Netherlands Organisation for Applied Scientific Research | Physics - Traffic Flow |
| 2003 | Bachelor project | Leiden University | Physics - Granular flow |
| 1999-2000 | Foundation year | Leiden University | Physics |
| 1999-2000 | Foundation year | Leiden University | Mathematics |
| Activity | Location | Type of grant |
| Short Term Scientific Mission - EU-COST | Department of Mathematical Engineering, Bristol, UK | EU COST action grant |
| Post-doctoral research | LICIT, Lyon, France | NWO Rubicon grant |
| Research project | Imperial College, London, UK | IDEA League research grant |
| Erasmus grant | ||
| Master project | EPFL, Lausanne, Switzerland | Leiden University Science Fund |
| Federal Swiss grant for visisting students | ||
| "Stichting Schuurmand Schimmel - van Outeren" (private fund) |
Victor Knoop participated in two summer schools:
2011, Traffic modeling for traffic management and cooperative systems, Organised by NEARCTIS [A Network of Excellence for Advanced Road Cooperative traffic management in the Information Society]
2007, Succeeding in Europe: A Summer School for Researchers Working in Science and Technology, organised and funded by the IDEA league of universities, hosted by Imperial College London.
2005, Modeling and Simulation of Transportation Networks, Massachusetts Institute of Technology.
Guest editor of the special issue of Transportation Research part C on traffic flow theory (in preparation)
July 2010: Organisation of the Summer meeting of the Traffic Flow Committee of the Transportation Research Board, Annecy France.
March 2007 - December 2009 Chairman of the PhD council of the Netherlands Research School for Transportation, Infrastructure and Logistics, TRAIL.
Organiser of the regular group meetings of the PhDs of the Transport and Planning department of the Delft University of Technology (2007 - December 2009).
January 2003 - January 2004
Chairman of the meeting of the students in the board of the faculties of the Leiden University (see below)
September 2002 - September 2003
Student memeber of the board of the executive board of the faculty of science of the Leiden University, responsible for ICT and student affairs. Each faculty of the Leiden University is directed by a four-person executive board, chaired by the dean, including one student.
February 2001 - April 2002
Chairman of the student's association De Leidsche Flesch, organising extra-curricular activities for students in astronomy, physics, mathematics and computer science .
June 2007 - October 2008
Member of the executive board of the international committee of the Dutch social-liberal political youth organisation Jonge Democraten (chairman June-October 2007)
2009-2011 Lecturer in Traffic Flow Modelling course at ENTPE
2007-2010 Assistent and lecturer in Traffic Flow Theory and Simulation Master's course at TU Delft
2010-2011 Lecturer in Traffic Flow Theory and Simulation Master's course at TU Delft
2007 Assistent in Dynamic Traffic Management Master's course at TU Delft
Committee member and supervision of five Master theses at TU Delft and Univerity of Lyon (2007-2010). Victor Knoop was a daily supervisor for two students. With both students, he published papers togeather (Koen Adams, and Jonathan Cole, see papers below)
The documents provided here are preprints and might slightly differ from the final versions of the publications.
The PhD thesis (Delft University of Technology), Road Incidents and Network Dynamics - Effects on driving behaviour and traffic congestion, has been published with two pubilshers, Next Generation Infrastructures Foundation (PhD series on infrastructure 33, ISBN 978-90-79787-14-2) and the TRAIL Research School (TRAIL Thesis Series T2009/13, ISBN 978-90-5584-124-0). A digital version can be found in the TU Delft repository (repository.tudelft.nl).
Er is een Nederlandse samenvatting van het proefschrift, geschreven voor een niet-wetenschappelijk publiek. De Nederlandse titel van dit boekje is een vertaling van de Engelse titel van het proefschrift, Ongelukken op de weg en netwerkdynamiek - effecten op rijgedrag en congestie. Dit boekje is te vinden bij deze link. Downloaden van het pdf-bestand kan door met de rechtermuisknop te klikken op de link, en dan te kiezen voor opslaan als. Tevens is het on-line te lezen (een gedeelte van de opmaak gaat dan verloren)
Knoop, V.L., Van Lint, J.W.C., and Hoogendoorn, S.P., (in print) The Macroscopic Fundamental Diagram Used for Control using Subnetwork Accumulation, Transportation Research Records
Schakel, W.J., Knoop, V.L., and Van Arem, B. (in print), LMRS: Integrated Lane Change Model with Relaxation and Synchronization, Transportation Research Records
Knoop, V.L., Hoogendoorn, S.P., Yasuhiro, S., and Buisson, Ch., (in print) Quantifying the Number of Lane Changes in Traffic: Empirical Analysis, Transportation Research Records
Knoop, V.L., Snelder, M., Van Zuylen, H.J. and Hoogendoorn, S.P. (2012). Link-level Vulnerability Indicators for Real-World Network. Transportation Research Part A. Volume 46, Issue 5, June 2012, Pages 843-854 http://dx.doi.org/10.1016/j.tra.2012.02.004
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2010) Route Choice Under Exceptional Traffic Conditions, Procedia of Engineering, Elsevier, vol 3, pp 113-128,
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2009) Processing Traffic Data collected by Remote Sensing. Transportation Research Records: Journal of the Transportation Research Board, No. 2129, pp. 55-61 (see the software site for a Matlab program on this)
Knoop, V.L., Hoogendoorn, S.P. and Adams, K. (2009) Incidents at Motorways: Capacity Reductions and the Effects of Incident Management. European Journal of Transportation and Infrastructure Research, Vol. 9, no. 4, pp. 363-379
Hoogendoorn, S.P., Landman, R., Knoop, V.L., Pel, A.J., Huibregtse, O. and Hoogendoorn, R. (2009) Verkeersmanagement bij exceptionele omstandigheden (Traffic Management at Exceptional Conditions). NM Magazine, Vol. 2, pp. 24-28.
Hoogendoorn, S.P., Knoop, V.L. and Van Zuylen, H.J. (2008) Robust Control of Traffic Networks under Uncertain Conditions. Journal of Advanced Transportation, Vol. 42, no. 3, pp. 357-377.
Hoogendoorn, S.P., Van Lint, J.W.C. and Knoop, V.L. (2008) Macroscopic Modeling Framework Unifying Kinematic Wave Modeling and Three-Phase Traffic Theory. Transportation Research Record: Journal of the Transportation Research Board, No. 2088, pp. 102-108.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2008) Capacity Reduction at Incidents: Empirical Data Collected from a Helicopter. Transportation Research Record: Journal of the Transportation Research Board, No. 2071, pp. 19-25.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2008) The Influence of Spillback Modelling when Assessing Consequences of Blockings in a Road Network. European Journal of Transportation and Infrastructure Research, Vol. 8, no. 4, pp. 287-300.
Knoop, V.L., Van Lint, J.W.C. and Hoogendoorn, S.P. (in print), Route Advice Based on Subnetwork Accumulations - Control based on the macroscopic fundamental diagram, in: Proceedings of the 9th Conference on Traffic and Granular Flow 2011, Springer
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2009) Route Choice Under Exceptional Traffic Conditions, in: Hoogendoorn, S.P., A.J. Pel, M.A.P. Taylor and H. Mahmassani (Eds.), International Conference on Evacuation Management, Procedia of Engineering, Elsevier, vol 3, pp 113-128,
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2006) Network robustness assessment: the need for spillback modelling, in Van Zuylen, H.J. (Ed.) Selected Papers of the 9th TRAIL Congress, TRAIL in motion. Rotterdam, TRAIL Research School.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2007) Approach to Critical Link Analysis of Robustness for Dynamical Road Networks. In Schadschneider, A., Pöschel, T., Kühne, R., Schreckenberg, M. and Wolf, D. E. (Eds.) Proceedings of Traffic and Granular Flow 05. pp. 393-402, Springer Verlag, Berlin.
Hoogendoorn, S. P., Van Lint, J. W. C. and Knoop, V. L. (2009) Dynamic first-order modeling of phase-transition probabilities. In Appert-Rolland, C., Chevoir, F., Gondret, P., Lassarre, S., Lebacque, J.-P. and Schreckenberg, M. (Eds.) Proceedings of Traffic and Granular Flow 07. pp. 85-92, Springer, New York.Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2009) Empirical Differences between Time Mean Speed and Space Mean Speed. In Appert-Rolland, C., Chevoir, F., Gondret, P., Lassarre, S., Lebacque, J.-P. and Schreckenberg, M. (Eds.) Proceedings of Traffic and Granular Flow 07. pp. 351-356, Springer, New York. (Poster)
Goñi Ros, B., Knoop, V.L., Van Arem, B., and Hoogendoorn, S.P., (2012) Reducing congestion at uphill freeway sections by means of a Gradient Compensation System, in: Proceedings of the 2012 IEEE Intelligent Vehicles Symposium, 3-7 June 2012, Alcalá de Henares, Spain
Knoop, V.L., Van Lint, J.W.C., and Hoogendoorn, S.P., (2012) The Macroscopic Fundamental Diagram Used for Control using Subnetwork Accumulation, in: Proceedings of the 91th Annual Meeting of the Transportation Research Board, 22-26 January 2012, Washington D.C.
Knoop, V.L., Hoogendoorn, S.P., Yasuhiro, S., and Buisson, Ch., (2012) Quantifying the Number of Lane Changes in Traffic: Empirical Analysis, in: Proceedings of the 91th Annual Meeting of the Transportation Research Board, 22-26 January 2012, Washington D.C.
Schakel, W.J., Knoop, V.L., and Van Arem, B., (2012) LMRS: Integrated Lane Change Model with Relaxation and Synchronization, in: Proceedings of the 91th Annual Meeting of the Transportation Research Board, 22-26 January 2012, Washington D.C.
Knoop, V.L., Li, H. and Van Arem, B. (2011), Variable Insurance Premium for Safer Driving: a Survey Result, in: Proceedings of the IEEE conference on Intelligent Transport Solutions, 5-7 October 2011, Washington D.C. (presentation)
Knoop, V.L., Hoogendoorn, S.P. (2011), Two-Variable Macroscopic Fundamental Diagrams for Traffic Networks, in: Proceedings of the 9th Conference on Traffic and Granular Flow, 28 September - 1 October 2011, Moscow, Russia (poster)
Knoop, V.L., Van Lint, J.W.C. and Hoogendoorn, S.P. (2011), Route Advice Based on Subnetwork Accumulations - Control based on the macroscopic fundamental diagram, in: Proceedings of the 9th Conference on Traffic and Granular Flow, 28 September - 1 October 2011, Moscow, Russia
Van Bree, R.J.P., Buist, P.J, Tiberius, C.C.J.M , Van Arem, B. and Knoop, V.L. (2011), Lane Identification with Real Time Single Frequency Precise Point Positioning: A Kinematic Trial, in: Proceedings of Institute of Navigation's Satellite Division Technical Meeting (ION GNSS ), 21-23 September 2011, Portland, Oregon
Knoop, V.L., Van Lint, J.W.C. and Hoogendoorn, S.P. (2011), Data Requirements for Traffic Control on a Macroscopic Level, 2nd International Workshop on TRaffic Data Collection and its standardisation, 22-23 September 2011, Brisbane, Australia
Knoop, V.L., Buisson, C., Wilson, E. and Van Arem, B. (2011) Number of Lane Changes Determined by Splashover Effects in Loop Detector Counts , in: Proceedings of the 90th Annual Meeting of the Transportation Research Board, 23-27 January 2011, Washington D.C. (Presentation)
Knoop, V.L., Schakel, W.J., Jonkers, E. and Van Arem, B. (2011) Individual Travellers' Advice: System Setup, Measures, and Expected Results , in: Proceedings of the 90th Annual Meeting of the Transportation Research Board, 23-27 January 2011, Washington D.C. (Presentation)
Van Zuylen, H.J., Heerkens, J., Knoop, V.L., Lie, J. and Andreasson, I. (2010), The integral assessment of PRT for Scienceport Holland Proceedings of PRT conference, Heathrow Airport, London, September 21-23, London Heathrow, United Kingdom
Knoop, V.L., Duret, A., Buisson, C., and Van Arem, B. (2010), Lane Distribution of Traffic Near Merging Zones - Influence of Variable Speed Limits , Proceedings of the IEEE conference on Intelligent Transport Solutions, September 19-22, Madeira, Portugal
Knoop, V.L., Wilson, E., Cole, J, Buisson, C., and Van Arem, B. (2010) Quantifying the number of lane changes in traffic. Proceedings of the summer meeting of the Traffic Flow Committee of the Transportation Research Board, July 7-9, Annecy, France
Knoop, V.L., Hoogendoorn, S.P. and Van Arem, B. (2010) A paradox in dynamic traffic assignment - a dynamic extention of the Braess paradox. Proceedings of TRISTAN VII, 21-25 June 2010, Tromso, Norway
Knoop, V.L., Bell, M.G.H., and Van Zuylen, H.J. (2010) Risk-averse Traffic Assignment in a Dyanamic Simulator.Proceedings of TRISTAN VII, 21-25 June 2010, Tromso, Norway
Knoop, V.L., Hoogendoorn, S.P., Snelder, M. and Van Zuylen, H.J. (2010) Reliability of link-based vulnerability indicators , in: Proceedings of the 89th Annual Meeting of the Transportation Research Board, 10-14 January 2010, Washington D.C. (Presentation)
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2010) Stochastic Incident Duration Impacts on Delay , in: Proceedings of the 89th Annual Meeting of the Transportation Research Board, Washington D.C., 10-14 January 2010, Washington D.C. (Presentation)
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2009) Route Choice Under Exceptional Traffic Conditions, in: International Conference on Evacuation Management, 23-25 September 2009, The Hague, the Netherlands.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2009) Traffic behavior near incidents, in: Proceedings of Sino-Dutch seminar on transport development, 30 June 2009, Beijing, China.
Knoop, V.L., Van Zuylen, H.J. and Hoogendoorn, S.P. (2009) Microscopic traffic behaviour near Incidents, in: Proceedings of Second Sino-Dutch Joint Workshop in Transportation and Traffic Study, 26 June 2009, Shanghai, China.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (in press) The Influence of Variable Incident Duration on Delay. Proceedings of Traffic and Granular Flow 09, Shanghai, China. (Poster)
Adams, K., V.L.Knoop, Hoogendoorn, S.P., Stoop, J.A.A.M. and Van Loon, A. (2009) Safety Impacts of Incident Management at Incident Sites, in: Proceedings of the 88th Annual Meeting of the Transportation Research Board, 11-15 January 2009, Washington D.C.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2009) Processing Traffic Data collected by Remote Sensing, in: Proceedings of the 88th Annual Meeting of the Transportation Research Board, 11-15 January 2009, Washington D.C.
Knoop, V.L., Bell, M. G. H. and Van Zuylen, H.J. (2008) Route-Advice Based On Individual Risk-Attitude in: Proceedings of IEEE Conference on Infrastructure Systems Building Networks for a Better Future, 10-12 November 2008, Rotterdam, the Netherlands.
Hoogendoorn, S.P., Van Lint, J.W.C. and Knoop, V.L. (2008) Modeling Traffic Phase Transitions, in: Proceedings of CHAOS2008 Chaotic Modeling and Simulation International Conference, 3-6 June 2008, Chania Crete Greece.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2008) Capacity Reduction at Incidents: Empirical Data Collected from a Helicopter, in: Proceedings of 87th Annual Meeting of the Transportation Research Board, 13-17 January 2008, Washington D.C. (Presentation)
Hoogendoorn, S.P., Knoop, V.L. and Van Zuylen, H.J. (2007) Model-based Stochastic Control of Traffic Networks, in: Proceedings of the Third International Symposium on Transportation Network Reliability, 19-20 July 2007, Den Haag, the Netherlands.
Knoop, V.L., Snelder, M. and Van Zuylen, H.J. (2007) Comparison of Link-Level Robustness Indicators, in: Proceedings of the Third International Symposium on Transportation Network Reliability (INSTR), 19-20 July 2007, Den Haag, the Netherlands.
Knoop, V.L. and Hoogendoorn, S.P. (2007) Need for realistic spillback modeling in assessing network reliability, in: Proceedings of Tristan VI, 10-15 June 2007, Phuket, Thailand.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2007) Quantification of the impact of spillback modeling in assessing network reliability, in: Proceedings of 86th annual meeting of the Transportation Research Board, 21-25 January 2007 Washington D.C.(Presentation)
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2006) Network robustness assessment: the need for spillback modelling, in: Proceedings of 9th TRAIL Congress, TRAIL in motion, 21 November 2006, Rotterdam, the Netherlands.
Knoop, V.L., Hoogendoorn, S.P. and Van Zuylen, H.J. (2006) Importance of spillback modeling in assessing ITS, in: Proceedings of IEEE 9th International Conference on Intelligent Transport Systems, 17-20 September 2006, Toronto, Canada.
Zuurbier, F.S., Van Lint, J.W.C. and Knoop, V.L. (2006) Traffic network state estimation using extended Kalman filtering and DSMART, in: Proceedings of Eleventh IFAC Symposium on Control in Transportation Systems, 29-31 August 2006, Delft, the Netherlands.
Van Zuylen H.J., Viti F., Knoop V., Tu H, 2007. Analysis of accidents for the A15 Dutch Motorway. Project report commissioned by AVV and the Port of Rotterdam.
Hoogendoorn, S.P., Knoop V., Viti F., Li M., Ngoduy D., 2007. Bencharking of Dynamic Traffic Models (in Dutch), commissioned by AVV.
French study center for networks, transport, urbanism and civil engineering (CODIR) (5 October 2010, Lyon, France)
"Dynamic speed limits" and "Dynamic lane management"
Meeting of NEARCTIS - Excellence in co-operative Traffic management: "Towards new research area in co-operative traffic management" (11 July 2010, Lausanne, Switzerland)
Avoiding the under-utilisation of the shoulder lane using ITS measures (Poster)
Journee Transport du RST - Traffic Management in France (6 June 2010, Lyon, France
Dynamic Speed Limits in the Netherlands
Repères européens - Best lessons from Europ (20 Mai 2010, Lyon, France
Dynamic Traffic Management in the Netherlands
COST meeting (4/5 February 2010, Barcelona, Spain)
Modelling the Duration of Lane Changes (Presentation)
Masterclass LICIT (30 April 2009, Lyon, France)
*Traffic Behaviour near Incidents and
*Stochastic First Order Modelling
Masterclass "Recent Advancements in Microscopic Traffic Modelling", research school TRAIL (16 September 2008, Delft, the Netherlands)
Responses of drivers near incidents
Science cafe Leiden (Leiden, the Netherlands)
Ontkrachting van de wet van behoud van file (Negation of the law of conservation of traffic jams)
Platos conference (Utrecht, the Netherlands)
Robuustheid van het wegennetwerk en de invloed van fileterugslag (Robustness of the road network and the influence of spillback)