Secure State Estimation under Measurement Attacks using Virtual State in Distributed Observer System

Shotaro Sato, Toru Namerikawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, a distributed secure state estimation problem that is state estimation in distributed observer system in the presence of attacks is mainly discussed. We introduce the notion of graph-based distributed observer representation, virtual state, and a subgroup to derive a condition for the secure state estimation. By the graph-based distributed observer representation, we can consider the system's observability and communication pass connectivity as graph connectivity at once. With the notion of virtual state and the subgroup, we derive the state estimation condition which is the inequality relationship between the number of the allowable attacked observer and the graph connectivity as a theorem. Finally, a simple numerical example verifies the theorem.

Original languageEnglish
Title of host publication2019 12th Asian Control Conference, ASCC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1683-1688
Number of pages6
ISBN (Electronic)9784888983006
Publication statusPublished - 2019 Jun
Event12th Asian Control Conference, ASCC 2019 - Kitakyushu-shi, Japan
Duration: 2019 Jun 92019 Jun 12

Publication series

Name2019 12th Asian Control Conference, ASCC 2019

Conference

Conference12th Asian Control Conference, ASCC 2019
CountryJapan
CityKitakyushu-shi
Period19/6/919/6/12

ASJC Scopus subject areas

  • Computer Science Applications
  • Control and Optimization
  • Mechanical Engineering

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  • Cite this

    Sato, S., & Namerikawa, T. (2019). Secure State Estimation under Measurement Attacks using Virtual State in Distributed Observer System. In 2019 12th Asian Control Conference, ASCC 2019 (pp. 1683-1688). [8765155] (2019 12th Asian Control Conference, ASCC 2019). Institute of Electrical and Electronics Engineers Inc..