Koki Satsukawa

Profile Information

Affiliation: Associate professor/Lecturer, Faculty of Transdisciplinary Sciences for Innovation, Kanazawa University

Degree: 博士（工学）(東京大学)

Researcher number: 40867347
J-GLOBAL ID: 201901019106904900
researchmap Member ID: B000368739

External link: https://kokisatsukawa.github.io/index.html

Research Interests

Research Areas

Social infrastructure (civil Engineering, architecture, disaster prevention) / Civil engineering (planning and transportation) /

Research History

Jun, 2021 - Mar, 2023

Assistant professor, Graduate School of Information Sciences, Tohoku University
Apr, 2020 - May, 2021

Assistant professor, New Industry Creation Hatchery Center, Tohoku University
May, 2019 - Mar, 2020

Visiting Research Fellow, Institute for Transport Studies, University of Leeds
Apr, 2019 - Mar, 2020

Research Fellow, Japan Society for the Promotion of Science (JSPS)
Apr, 2018 - Mar, 2019

Research Fellow (DC2), Japan Society for the Promotion of Science (JSPS)

Education

Committee Memberships

Jun, 2022 - Present

地域道路経済戦略研究会東北地方研究会委員, 国土交通省東北地方整備局

Awards

Nov, 2019

Kometani Sasaki Prize (Outstanding PhD Thesis Award), Institute of Systems Science Research

Koki Satsukawa
Nov, 2018

優秀研究発表賞, CSIS DAYS 2018

佐津川功季, 和田健太郎, 大口敬

Papers

Optimal intervention policy of emergency storage batteries for expressway transportation systems considering deterioration risk during lead time of replacement

Daijiro Mizutani, Yuto Nakazato, Rie Ikushima, Koki Satsukawa, Yosuke Kawasaki, Masao Kuwahara

Reliability Engineering & System Safety, 109735-109735, Oct, 2023
道路施設点検における故障予知に関する一考察

吉岡慶祐, 掛上寛希, 桑原雅夫, 下川澄雄, 水谷大二郎, 川崎洋輔, 佐津川功季

交通工学研究発表会論文集, 43, Aug, 2023 Peer-reviewed
Optimal repair policy for etc facility with economic losses due to traffic congestion during failures

Koki SATSUKAWA, Daijiro MIZUTANI, Yosuke KAWASAKI, Takeo KANEDA, Masao KUWAHARA

Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management), 78(3) 105-121, Sep, 2022 Peer-reviewedLead author
Dynamic traffic assignment in a corridor network: Optimum versus equilibrium

Haoran Fu, Takashi Akamatsu, Koki Satsukawa, Kentaro Wada

Transportation Research Part B: Methodological, 161 218-246, Jun, 2022 Peer-reviewedCorresponding author
Zero-queue traffic control, using green-times and prices together

Michael J. Smith, Takamasa Iryo, Richard Mounce, Koki Satsukawa, David Watling

Transportation Research Part C: Emerging Technologies, 138 103630-103630, May, 2022 Peer-reviewed
Possibility of improving management policies for expressway facilities based on questionnaire survey of on-site engineers

Rie Ikushima, Daijiro Mizutani, Koki Satsukawa, Yosuke Kawasaki, Masao Kuwahara

Journal of Japan Society of Civil Engineers, Ser. F4 (Construction and Management), 78(1) 51-69, 2022 Peer-reviewed
Dynamic system optimal traffic assignment with atomic users: Convergence and stability

Koki Satsukawa, Kentaro Wada, David Watling

Transportation Research Part B: Methodological, 155 188-209, Jan, 2022 Peer-reviewedLead authorCorresponding author
Model-based analysis on social acceptability and feasibility of a focused protection strategy against the COVID-19 pandemic

Takashi Akamatsu, Takeshi Nagae, Minoru Osawa, Koki Satsukawa, Takara Sakai, Daijiro Mizutani

Scientific Reports, 11(1), Dec, 2021 Peer-reviewed
A basic method to evaluate management policies of variable message signs on expressways considering user costs

Daijiro MIZUTANI, Yosuke KAWASAKI, Koki SATSUKAWA, Takeshi NAKAGAWA, Shogo UMEDA, Rie IKUSHIMA, Masao KUWAHARA

Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management), 76(5) I_127-I_139, 2021 Peer-reviewed
Departure time choice problems with heterogeneous values of schedule delay in tandem bottlenecks

Takara SAKAI, Takashi AKAMATSU, Koki SATSUKAWA

Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management), 77(4) 330-345, 2021 Peer-reviewedCorresponding author
Can a herd immunity strategy become a viable option against COVID-19? A model-based analysis on social acceptability and feasibility

Takashi Akamatsu, Takeshi Nagae, Minoru Osawa, Koki Satsukawa, Takara Sakai, Daijiro Mizutani

May 25, 2020
Reprint of “Stochastic stability of dynamic user equilibrium in unidirectional networks: Weakly acyclic game approach”

Koki Satsukawa, Kentaro Wada, Takamasa Iryo

Transportation Research Part B: Methodological, in Press, Aug, 2019 Peer-reviewedLead author
Stochastic stability of dynamic user equilibrium in unidirectional networks: Weakly acyclic game approach

Satsukawa Koki, Wada Kentaro, Iryo Takamasa

Transportation Research Part B: Methodological, 125 229-247, Jul, 2019 Peer-reviewedLead author
Network throughput under dynamic user equilibrium: Queue spillback, paradox and traffic control

Kentaro Wada, Koki Satsukawa, Mike Smith, Takashi Akamatsu

Transportation Research Part B: Methodological, 126 391-413, 2018 Peer-reviewed
RECENT ADVANCES IN KINEMATIC WAVE THEORY OF TRAFFIC FLOWS: VARIATIONAL FORMULATION AND NETWORK EXTENSION

WADA Kentaro, SEO Toru, NAKANISHI Wataru, SATSUKAWA Koki, YANAGIHARA Masami

Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management), 73(5) I_1139-I_1158, 2017 Peer-reviewed
A NOTE ON THE SOLUTION ALGORITHM OF NASH EQUILIBRIUM IN DYNAMIC TRAFFIC ASSIGNMENT FOR SINGLE DESTINATION NETWORKS

SATSUKAWA Koki, WADA Kentaro

Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management), 73(1) 103-108, 2017 Peer-reviewedLead authorCorresponding author
TRAFFIC PERFORMANCE ANALYSIS OF ROAD NETWORK BASED ON DYNAMIC USER EQUILIBRIUM

WADA Kentaro, SATSUKAWA Koki

Journal of Japan Society of Civil Engineers, Ser. D3 (Infrastructure Planning and Management), 73(1) 56-72, 2017 Peer-reviewed

Misc.

Stability analysis of a departure time choice problem with atomic vehicle models

Koki Satsukawa, Kentaro Wada, Takamasa Iryo

arXiv, Jan, 2024 Lead authorCorresponding author
A paradox of telecommuting and staggered work hours in the bottleneck model

Takara Sakai, Takashi Akamatsu, Koki Satsukawa

arXiv, Sep, 2023 Last author
Global stability of day-to-day dynamics for schedule-based Markovian transit assignment with boarding queues

Takashi Akamatsu, Koki Satsukawa, Yuki Oyama

arXiv, Apr 5, 2023 Corresponding author
Queue replacement principle for corridor problems with heterogeneous commuters

Takara Sakai, Takashi Akamatsu, Koki Satsukawa

Oct 7, 2022 Corresponding author
Non-existence of queues for system optimal departure patterns in tree networks

Takara Sakai, Koki Satsukawa, Takashi Akamatsu

May 12, 2022 Corresponding author
Dynamic network traffic flow analysis and stochastic evolutionary game theory

Koki Satsukawa, Kentaro Wada

The Thirty-Third RAMP mathematical optimization symposium, Nov, 2021 InvitedLead authorCorresponding author
Dynamic traffic assignment in a corridor network: Optimum versus Equilibrium

Haoran Fu, Takashi Akamatsu, Koki Satsukawa, Kentaro Wada

Feb 3, 2021 Corresponding author
Theoretical analysis of efficient resource allocation using a reservation system that bundles multiple alternatives

佐津川功季, 原祐輔, 川崎洋輔, 井料隆雅

土木計画学研究・講演集(CD-ROM), 64, 2021 Lead authorCorresponding author
スケジュールコストの異質性を考慮したタンデムボトルネック出発時刻選択問題

酒井高良, 赤松隆, 佐津川功季

土木計画学研究・講演集(CD-ROM), 63, 2021 Corresponding author
Traffic performance analysis of road network based on congestion patterns

SATSUKAWA Koki, WADA Kentaro

SEISAN KENKYU, 71(2) 89-95, 2019 Lead authorCorresponding author
Recent Studies of Network Traffic Flow Modeling

中西航, 佐津川功季

Traffic engineering, 52(4) 33-38, Oct, 2017
Recent advances in kinematic wave theory of traffic flows

Kentaro Wada, Toru Seo, Wataru Nakanishi, Koki Satsukawa, Masami Yanagihara

Working Paper, Feb, 2017
Kinematic Wave理論の近年の展開:交通流の変分理論とネットワーク拡張

和田健太郎, 瀬尾亨, 中西航, 柳原正実, 佐津川功季

土木計画学研究・講演集(CD-ROM), 54, 2016
Macroscopic Traffic Performance under Dynamic User Equilibrium with Many-to-One Origin-Destination Patterns

35 299-306, 2015 Peer-reviewedLead author

Presentations

A study on the design of a flexible reservation system for urban transport services under uncertainty

Koki Satsukawa, Yusuke Hara, Yosuke Kawasaki, Takamasa Iryo

International workshop on methodologies towards sustainable and flexible city transport systems, Feb 22, 2024 Invited
A study on the design of a reservation system for urban transport services under uncertainty

Koki Satsukawa, Yusuke Hara, Yosuke Kawasaki, Takamasa Iryo

9th International Symposium on Transport Network Resilience (INSTR2023), Dec 14, 2023
Welfare impacts of remote and flexible working policies in the bottleneck model

Takara Sakai, Takashi Akamatsu, Koki Satsukawa

11th Symposium of the European Association for Research in Transportation (hEART2023), Sep 8, 2023
A study on failure prediction in road facility inspection

Keisuke Yoshioka, Hiroki Kakegami, Masao Kuwahara, Sumio Simokawa, Daijiro Mizutani, Yosuke Kawasaki, Koki Satsukawa

Proceedings of the 43rd Japan Society of Traffic Engineers Conference, Aug 8, 2023
Queue replacement principle for corridor problems with heterogeneous commuters

Takara Sakai, Koki Satsukawa, Takashi Akamatsu

9th International Symposium on Dynamic Traffic Assignment (DTA2023), Jul 10, 2023
Adjustment process of adaptive signal control strategies with route choices: a case study with Policy $P_{0}$

Koki Satsukawa, Takamasa Iryo, Naoki Yoshizawa, Michael J. Smith, David Watling

9th International Symposium on Dynamic Traffic Assignment (DTA2023), Jul 10, 2023
予約システムにおける探索行動と選好誘出の影響評価のための実験的アプローチ

原祐輔, 川崎洋輔, 佐津川功季, 井料隆雅

土木計画学研究発表会, Jun, 2023
不確実性下における都市交通サービスの予約システム設計に関する研究

佐津川功季, 原祐輔, 川崎洋輔, 井料隆雅

土木計画学研究発表会, Jun, 2023
点検データの統計分析に基づく購読道路蓄電池設備の更新施策

生嶋理恵, 水谷大二郎, 佐津川功季, 川崎洋輔, 桑原雅夫

JAAM 研究・実践発表会, Nov, 2022
連続体近似による ETC 施設予備部品の最適配置計画

福山峻一, 水谷大二郎, 佐津川功季

土木計画学研究発表会, Nov, 2022
経路選択を考慮した適応型信号制御の動学解析

吉澤尚輝, 佐津川功季, 井料隆雅

土木計画学研究発表会, Nov, 2022
強化学習を用いた信号制御パラメータ最適化に関する基礎的研究

桑原雅夫, 福田和輝, 橋本申, 佐津川功季, 田名部淳

第 42 回交通工学研究発表会, Aug, 2022
Dynamic system optimal traffic assignment with atomic users: Convergence and stability,

Koki Satsukawa, Kentaro Wada, David Watling

24th International Symposium on Transportation and Traffic Theory (ISTTT24), Jul, 2022
動的システム最適配分の大域的最適解：待ち行列は存在しうるか

酒井高良, 赤松隆, 佐津川功季

土木計画学研究発表会, Jun, 2022
現場技術者へのアンケート調査に基づく高速道路設備の維持管理施策の改善可能性

生嶋理恵, 水谷大二郎, 佐津川功季, 川崎洋輔, 桑原雅夫

土木計画学研究発表会, Dec, 2021
複数選択肢をバンドルする予約システムによる効率的な資源配分の理論解析

佐津川功季, 原祐輔, 川崎洋輔, 井料隆雅

土木計画学研究発表会, Dec, 2021
経路選択と時間価値の異質性を考慮した自律分散型信号制御の評価

吉澤尚輝, 佐津川功季, 井料隆雅

土木計画学研究発表会, Dec, 2021
現場技術者の知見を活用した高速道路設備の維持管理施策の改善可能性

生嶋理恵, 水谷大二郎, 佐津川功季, 川崎洋輔, 桑原雅夫

JAAM研究・実践発表会, Nov, 2021
利用者の異質性を考慮したコリドーネットワーク出発時刻選択問題

酒井高良, 赤松隆, 佐津川功季

第35回応用地域学会 (ARSC) 研究発表大会, Nov, 2021
スケジュールコストの異質性を考慮したタンデムボトルネック出発時刻選択問題

酒井高良, 赤松隆, 佐津川功季

土木計画学研究発表会, Jun, 2021

Professional Memberships

Research Projects

多様な都市活動を支援する予測情報共有型時空間リソース有効活用技術の研究開発

課題C）アフターコロナ社会を形成するICT, National Institute of Information and Communications Technology (NICT), Apr, 2021 - Mar, 2024
交通・物流システム効率化のための市場型マッチング・システムの設計・評価法構築

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
Estimation, prediction, and control of road transportation system by integrating traffic flow theory and machine learning

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2024
Infrastructure and design for next-generation transport systems in the MaaS + CV era

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2024
高度な動的制御のためのゲーム理論に基づくネットワーク交通流解析理論の構築

科学研究費助成事業若手研究, 若手研究, 日本学術振興会, Apr, 2020 - Mar, 2023

佐津川功季
社会便益を考慮した高速道路施設の維持管理高度化に関する研究

科学研究費助成事業, 基盤研究(A), 日本学術振興会, Apr, 2019 - Mar, 2023

桑原雅夫, 水谷大二郎, 佐津川功季, 川崎洋輔, 熊谷靖彦, 岡宏一
交通渋滞の縮約表現に着目した大規模ネットワークの動的階層化による制御手法の研究

特別研究員奨励費, 日本学術振興会, Apr, 2018 - Mar, 2020

佐津川功季

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