Sensor fault diagnosis in HVAC systems

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

Abstract

This paper reviewed FDD methods used in most engineering systems, including HVAC systems. The advantages and disadvantages of different methods are compared. All system control and FDD strategies require accurate sensor measurements. In order to guarantee the accuracy and reliability of sensor measurements in HVAC systems, two sensor FDD strategies are developed for water sub-system and air sub-system according to their characteristics. One is the law-based strategy used in a typical central chilling plant, and the other is PCA (principal component analysis)-based strategy used in a typical air-handling unit (AHU). This paper introduces both strategies and presents validation results.
Original languageEnglish
Title of host publicationProceedings of the 2003 - 4th International Symposium on Heating, Ventilating and Airconditioning
Pages978-986
Number of pages9
Publication statusPublished - 1 Dec 2003
EventProceeding of the 2003 4th International Symposium on Heating, Ventilating and Air Conditioning - Beijing, China
Duration: 9 Oct 200311 Oct 2003

Conference

ConferenceProceeding of the 2003 4th International Symposium on Heating, Ventilating and Air Conditioning
Country/TerritoryChina
CityBeijing
Period9/10/0311/10/03

Keywords

  • AHU
  • Chilling plant
  • Principal component analysis (PCA)
  • Sensor fault

ASJC Scopus subject areas

  • Engineering(all)

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