Details of a Researcher - Tanaka Kenichi

Tanaka Kenichi

写真a

Affiliation: Faculty of Science and Technology, Department of Industrial and Systems Engineering （Yagami）

Position: Professor

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Academic Background 【 Display / hide 】

1996.04

-

2000.03

Keio University, Faculty of Science and Technology, Department of Administration Engineering

University, Graduated
2000.04

-

2002.03

Keio University, Graduate School of Science and Technology, School of Science for Open and Environmental Systems

University, Completed, Master's course
2002.04

-

2005.03

Keio University, Graduate School of Science and Technology, School of Science for Open and Environmental Systems

University, Completed, Doctoral course

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Papers 【 Display / hide 】

中京都市圏における通勤・通学フローに着目した最適な立寄り型施設の配置駅

田中健一

都市計画論文集 57 （ 3 ） 2022.10

Research paper (scientific journal), Single Work, Lead author, Accepted
Analytical method for deriving distance distributions in continuous networks in which travelers visit exactly one facility between origin and destination

K. Tanaka, K. Tanno

Journal of Advanced Mechanical Design; Systems; and Manufacturing 16 JAMDSM0039 2022

Research paper (scientific journal), Joint Work, Lead author, Accepted
競合環境下における介在機会モデルを用いたフロー捕捉型配置問題

谷口航一, 田中健一

都市計画論文集 2021.10

Research paper (scientific journal), Joint Work
A continuous districting model focusing on intra- and inter-zonal squared distances and its Voronoi-based heuristic

Morimoto K., Tanaka K.

International Transactions in Operational Research （Wiley) 28 （ 3 ） 1109 - 1134 2021.05

ISSN 09696016

　View Summary

We consider the problem of dividing a given convex polygon into p convex polygons called zones, each of which receives a designated land area. The position and shape of each zone is determined so that intra- and inter-zonal trips for the resulting zones are conducted efficiently. To evaluate the compactness of the resulting zones, we derive the average squared distance between two points uniformly distributed in each zone, as well as the average squared distance between two points uniformly distributed in two zones. The weighted sum of these measures is used as the objective function, and a Voronoi-based heuristic algorithm is proposed that iteratively updates the positions of p generator points placed inside a convex polygon. The method is used to divide several regular polygons, and the results show that zones become (i) rounded when intra-zonal trips are prioritized and (ii) elongated with longer boundary lines when inter-zonal trips are prioritized.
- Access to Document (DOI)
Modelling the order of scoring in team sports

Hamada K., Tanaka K.

IMA Journal of Management Mathematics 32 283 - 301 2021

Joint Work

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Papers, etc., Registered in KOARA 【 Display / hide 】

Mathematical models for shelter site selection in the event of volcanic eruption and their applications

Tanaka, Ken'ichi

科学研究費補助金研究成果報告書 2018
モデリングの魅力

Tanaka, Kenichi

新版窮理図解（慶應義塾大学理工学部) （ 22 ） 2016.08
The appeal of modeling

Tanaka, Kenichi

New Kyurizukai （Faculty of Science and Technology, Keio University) （ 22 ） 2016.08
Flow-based facility location and scheduling problems and their applications

Tanaka, Kenichi

科学研究費補助金研究成果報告書 2016

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Presentations 【 Display / hide 】

格子状網をもつ凸多角形領域における総歩行者数の導出

御前汐莉，田中健一

日本オペレーションズ・リサーチ学会2018年春季研究発表会,

2018.03
,
Oral presentation (general)
サッカーの試合における得点過程に着目した確率モデル

濱田賢吾，田中健一

日本オペレーションズ・リサーチ学会2018年春季研究発表会,

2018.03
,
Oral presentation (general)
噴石シェルターの適正な配置計画に関する数理モデル

田中健一，鳥海重喜

日本オペレーションズ・リサーチ学会2018年春季研究発表会,

2018.03
,
Oral presentation (general)
Flow capturing location problem with probabilistic demand coverage

K. Tanaka, O. Kurita

Urban Operations Research Workshop 2017,

2017.12
,
Oral presentation (general)
投票定理を用いたサッカーにおける圧勝確率の計算

濱田賢吾，田中健一

「都市のOR」ワークショップ2017,

2017.12
,
Oral presentation (general)

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Research Projects of Competitive Funds, etc. 【 Display / hide 】

人の流れに着目した都市インフラの適正配置と運用に関する数理モデルの開発とその応用

2018.04

-

2022.03

MEXT,JSPS, Grant-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Principal investigator
火山噴火時における避難施設の適正な配置計画に関する数理モデルの開発とその応用

2016.04

-

2019.03

MEXT,JSPS, Grant-in-Aid for Scientific Research, Grant-in-Aid for Challenging Exploratory Research, Principal investigator
Flow-based facility location and scheduling problems and their applications

2013.04

-

2017.03

MEXT,JSPS, Grant-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Principal investigator

　View Summary

We proposed dynamic facility location models that seek locations and opening hours of multiple facilities so as to maximize the volumes of commuter flows that can be accessible to facility services, and applied the models to Tokyo metropolitan railway network using commuter flow data. Concretely, we constructed the following models: (1) a model where multiple coverage levels are considered depending on the arrival time to a destination, (2) a model in which there is a minimum required time for commuters to enjoy the service, and (3) a model where opening hours of facilities are decision variables rather than a fixed constant. In addition, we focused various situations where the temporal dimension is a critical factor, and constructed mathematical models to evaluate the effects of shuttle bus system on visitors' traffic flow to the Tokyo Bay zone during the 2020 Tokyo Olympics, and problems for designing network infrastructures by considering the time horizon.