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Robust consensus control against node failures inspired by smart contracting technologies

Research Project

Project/Area Number 18K13778
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 21040:Control and system engineering-related
Research InstitutionOkayama University

Principal Investigator

Okano Kunihisa  岡山大学, 自然科学研究科, 助教 (80778209)

Project Period (FY) 2018-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsマルチエージェントシステム / ネットワーク化制御システム / 合意制御問題 / 合意制御 / スマートコントラクト / 制御工学
Outline of Final Research Achievements

In this study, we have considered cooperative control of multi-agent systems including consensus control using results in information and communication technology for robustness against agent and communication failures. We have studied the clock synchronization problem over networks based on consensus control. A distributed synchronization method with a consideration of communication delay has been proposed and discussed in comparison to a well-known synchronization algorithm in the field of distributed computing. In addition, assuming the situation that the amount and type of information sent from the agents are limited, we have examined the optimal sensor placement to minimize the system's state estimation error.

Academic Significance and Societal Importance of the Research Achievements

ドローンに代表される移動体の群れや,広範な環境を測定するセンサネットワークなど,複数のエージェントと通信ネットワークにより構成されるシステムが注目を集めている.システム制御の分野では簡易なルールによってシステム全体で共通の目的を達成する分散制御則について従来研究が行われてきた.本研究は,より現実的な状況を想定してエージェントの故障や通信障害に対応できる制御則を目指した.その過程で制御工学に限らず情報通信工学分野の成果を応用し,分野を横断する理論の構築に貢献した.

Report

(3 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • Research Products

    (4 results)

All 2019 2018

All Journal Article (1 results) (of which Peer Reviewed: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Finite Data-Rate Control with Timing Information2019

    • Author(s)
      岡野 訓尚
    • Journal Title

      SYSTEMS, CONTROL AND INFORMATION

      Volume: 63 Issue: 11 Pages: 461-466

    • DOI

      10.11509/isciesci.63.11_461

    • NAID

      130007843025

    • ISSN
      0916-1600, 2424-1806
    • Year and Date
      2019-11-15
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Presentation] 線形最小二乗平均推定を用いたセンサ配置2019

    • Author(s)
      小原晃, 岡野訓尚, 平田健太郎, 中村幸紀
    • Organizer
      第62回自動制御連合講演会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 分散型時刻同期アルゴリズムにおける遅延を考慮したオフセット調整則2018

    • Author(s)
      名賀大輔,岡野訓尚, 中村幸紀, 平田健太郎
    • Organizer
      第27回計測自動制御学会中国支部学術講演会
    • Related Report
      2018 Research-status Report
  • [Presentation] Fundamental limitations for stabilization of networked control systems2018

    • Author(s)
      Kunihisa Okano
    • Organizer
      SICE Annual Conference, Workshop 1: New Trends in Networked Control
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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Published: 2018-04-23   Modified: 2021-02-19  

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