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Dive into the research topics where Chikara Hirai is active.

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Featured researches published by Chikara Hirai.


IFAC Proceedings Volumes | 2000

An Estimation Method of the Volume of Passengers on Board Applicable for Evaluation of Traffic Rescheduling Plans

Chikara Hirai; Norio Τοmii

Abstract One of the most important issues concerning train traffic rescheduling, which is a series of modification of train schedules conducted when train traffic is disrupted by some troubles, is an evaluation of rescheduling plans. At present, no quantitative evaluation is made for rescheduling plans and rescheduling is done by experts called train dispatchers based on their experience and intuition. In this paper, we propose a method combining simulation and the Logit model to estimate the volume of passengers on trains for a given traffic rescheduling plan, so that we can calculate the evaluation indices quantitatively from passengers’ point of view.


Quarterly Report of Rtri | 2007

Evaluation Method of Robustness for Train Schedules

Yoko Takeuchi; Norio Tomii; Chikara Hirai


Quarterly Report of Rtri | 2009

A Train Stop Deployment Planning Algorithm Using a Petri-net-based Modelling Approach

Chikara Hirai; Taketoshi Kunimatsu; Norio Tomii; Shigeki Kondou; Motoshi Takaba


Electrical Engineering in Japan | 2012

Train timetable evaluation from the viewpoint of passengers by microsimulation of train operation and passenger flow

Taketoshi Kunimatsu; Chikara Hirai; Norio Tomii


Quarterly Report of Rtri | 2005

Train Operation Rescheduling Algorithm Based on Passenger Satisfaction

Norio Tomii; Yoshiaki Tashiro; Noriyuki Tanabe; Chikara Hirai; Kunimitsu Muraki


Ieej Transactions on Industry Applications | 2010

Train Timetable Evaluation from the Viewpoints of Passengers by Microsimulation of Train Operation and Passenger Flow

Taketoshi Kunimatsu; Chikara Hirai; Norio Tomii


Ieej Transactions on Industry Applications | 2013

Train Rescheduling Evaluation from the Viewpoint of Passengers by Microsimulation of Train Operation and Passenger Flow

Taketoshi Kunimatsu; Chikara Hirai; Norio Tomii


Ieej Transactions on Sensors and Micromachines | 2009

Train Timetabling Algorithm Based on Passengers' Demands

Taketoshi Kunimatsu; Chikara Hirai; Norio Tomii


Quarterly Report of Rtri | 2001

An Estimation Method of the Number of On-board Passengers Applicable to Evaluation of Traffic Rescheduling Plans

Chikara Hirai; Norio Tomii


Quarterly Report of Rtri | 2014

Methods for Analyzing Passenger Flows During Train Traffic Disruption Using Accumulated Passenger Data

Taketoshi Kunimatsu; Chikara Hirai

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Norio Tomii

Chiba Institute of Technology

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Taketoshi Kunimatsu

Railway Technical Research Institute

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Norio Τοmii

Railway Technical Research Institute

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Shigeki Kondou

West Japan Railway Company

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