K
Katsuya Hasebe
Researcher at Aichi University
Publications - 32
Citations - 4672
Katsuya Hasebe is an academic researcher from Aichi University. The author has contributed to research in topics: Traffic flow & Flow (mathematics). The author has an hindex of 13, co-authored 31 publications receiving 4096 citations.
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Dynamical model of traffic congestion and numerical simulation
TL;DR: In this model, the legal velocity function is introduced, which is a function of the headway of the preceding vehicle, and the evolution of traffic congestion is observed with the development of time.
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Traffic jams without bottlenecks—experimental evidence for the physical mechanism of the formation of a jam
Yuki Sugiyama,Minoru Fukui,Macoto Kikuchi,Katsuya Hasebe,Akihiro Nakayama,Katsuhiro Nishinari,Katsuhiro Nishinari,Shin-ichi Tadaki,Satoshi Yukawa +8 more
TL;DR: In this paper, the authors present experimental evidence that the emergence of a traffic jam is a collective phenomenon like "dynamical" phase transitions and pattern formation, and show that a bottleneck is only a trigger and not the essential origin of traffic jam.
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Analysis of optimal velocity model with explicit delay
TL;DR: In this paper, the optimal velocity model with explicit delay is analyzed and the properties of congestion and the delay time of car motion are investigated by analytical and numerical methods, and it is shown that the small explicit delay time has almost no effects.
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Phenomenological Study of Dynamical Model of Traffic Flow
TL;DR: The Car Following Model with Optimal Velocity (Optimal Velocity Model) as discussed by the authors is a successful traffic model in reproducing the characteristic features of observed traffic flow data, and the transition from free flow to congested flow occurs spontaneously by the collective motion of vehicles, which obey to the same dynamical equation.
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Structure stability of congestion in traffic dynamics
TL;DR: The characteristic properties of the traffic congestion in the proposed dynamical model are studied, especially the organization process and the stability of the structure of congestion, which turns out to be well described by plotting motions of vehicles in the phase space of velocity and headway.