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- Daisuke Shamoto, Akiyasu Tomoeda, Ryosuke Nishi, Katsuhiro Nishinari
- Physical review. E, Statistical, nonlinear, and…
- 2011

In driving a vehicle, drivers respond to the changes of both the headway and the relative velocity to the vehicle in front. In this paper a new car-following model including these maneuvers is proposed. The acceleration of the model becomes infinite (has a singularity) when the distance between two vehicles is zero, and the asymmetry between the… (More)

- Daichi Yanagisawa, Akiyasu Tomoeda, Katsuhiro Nishinari
- Physical review. E, Statistical, nonlinear, and…
- 2012

We have developed a simple model for pedestrians by dividing walking velocity into two parts, which are step size and pace of walking (number of steps per unit time). Theoretical analysis on pace indicates that rhythm that is slower than normal-walking pace in a low-density regime increases flow if the flow-density diagram is convex downward in a… (More)

- Daichi Yanagisawa, Ayako Kimura, +4 authors Katsuhiro Nishinari
- Physical review. E, Statistical, nonlinear, and…
- 2009

In this paper, two important factors which affect the pedestrian outflow at a bottleneck significantly are studied in detail to analyze the effect of an obstacle setup in front of an exit. One is a conflict at an exit when pedestrians evacuate from a room. We use floor field model for simulating such behavior, which is a well-studied pedestrian model using… (More)

- Ryosuke Nishi, Hiroshi Miki, Akiyasu Tomoeda, Katsuhiro Nishinari
- Physical review. E, Statistical, nonlinear, and…
- 2009

Heavy traffic congestion occurs daily at merging sections on a highway. For relieving this congestion, possibility of alternative configuration of vehicles on multiple-lane road at a merging area is discussed in this paper. This is the configuration where no vehicles move aside on the other lane. It has merit in making a smooth merging at an intersection or… (More)

- Akiyasu Tomoeda, Kokichi Sugihara
- ISVD
- 2012

Received Abstract We have introduced excluded volume effect, which is an important factor to model a realistic pedestrian queue, into queueing theory. The probability distributions of pedestrian number and pedestrian waiting time in a queue have been calculated exactly. Due to time needed to close up the queue, the mean number of pedestrians increases as… (More)

- Akiyasu Tomoeda, Daichi Yanagisawa, Takashi Imamura, Katsuhiro Nishinari
- Physical review. E, Statistical, nonlinear, and…
- 2012

The propagation speed of a starting wave, which is a wave of people's successive reactions in the relaxation process of a queue, has an essential role for pedestrians and vehicles to achieve smooth movement. For example, a queue of vehicles with appropriate headway (or density) alleviates traffic jams since the delay of reaction to start is minimized. In… (More)