** Centre for Transport Studies (CTS) Seminar Series
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** Pedestrian Models based on Rational Behaviour
** Rafael Bailo (Imperial College London, UK)
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** Date and time: 4 December 2018 @4:00pm
** Location: Room 102A, Chadwick Building, UCL Bloomsbury Campus, Gower St, London, WC1E 6BT, United Kingdom
** Register here: https://ctsseminar-rafaelbailo.eventbrite.co.uk
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Abstract:
Agent dynamics is a vast and prolific field. Following the paradigm set by Attraction-Repulsion-Alignment schemes, a myriad of models have been proposed to calculate the evolution of abstract agents, whether it be to develop CGI simulations of flocking (BOIDS - Reynolds 1987), to simulate the motion of pedestrians (Social Force Model - Helbing, Molnar 1995) or to analyse the development of political opinions (Cucker, Smale 2007). While the emergent features of many agent systems have been described astonishingly well with force-based models, this is not the case for pedestrians. Many of the classical schemes have failed to capture the fine detail of crowd dynamics, and it is unlikely that a purely mechanical model will succeed.
As a response to the mechanistic literature, we will consider a model for pedestrian dynamics that attempts to reproduce the rational behaviour of individual agents through the means of anticipation. Each pedestrian undergoes a two-step time evolution based on a perception stage and a decision stage. We will discuss the validity of the model in regimes with varying degrees of congestion, ultimately presenting a correction to achieve realistic high-density dynamics
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Biography:
Rafael Bailo is a postgraduate researcher at the Department of Mathematics, Imperial College London. He is currently completing a PhD with José A. Carrillo and Pierre Degond centred around the realistic modelling of pedestrian dynamics. His interests include collective dynamics, self-organisation and control of agent-based models, as well as applied partial differential equations and numerical analysis for related problems.
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