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Sensor Fault Detection Based on Weighted Stochastic Gradient Identification Algorithms

  • Harbin Institute of Technology Shenzhen
  • Shenzhen Polytechnic

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper addresses the problem of sensor fault detection for practical systems based on stochastic gradient identification techniques. Three algorithms are constructed by utilizing the hierarchical identification principle. Different from some existing algorithms, a weighted factor was introduced and a combination of the information in both the last step and the current step can be used to update the estimation of the variables. Due to the use of the latest updated information, the proposed algorithms can achieve better convergence performance than some existing algorithms by appropriately choosing the tuning parameter. A numerical example is given to show the superiority of the presented algorithms.

Original languageEnglish
Title of host publicationProceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages993-998
Number of pages6
ISBN (Electronic)9781728158549
DOIs
StatePublished - Aug 2020
Externally publishedYes
Event32nd Chinese Control and Decision Conference, CCDC 2020 - Hefei, China
Duration: 22 Aug 202024 Aug 2020

Publication series

NameProceedings of the 32nd Chinese Control and Decision Conference, CCDC 2020

Conference

Conference32nd Chinese Control and Decision Conference, CCDC 2020
Country/TerritoryChina
CityHefei
Period22/08/2024/08/20

Keywords

  • Sensor fault
  • fault detection
  • stochastic gradient identification
  • weight factor

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