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 language | English |
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Title of host publication | Proceedings of the 2003 - 4th International Symposium on Heating, Ventilating and Airconditioning |
Pages | 978-986 |
Number of pages | 9 |
Publication status | Published - 1 Dec 2003 |
Event | Proceeding of the 2003 4th International Symposium on Heating, Ventilating and Air Conditioning - Beijing, China Duration: 9 Oct 2003 → 11 Oct 2003 |
Conference
Conference | Proceeding of the 2003 4th International Symposium on Heating, Ventilating and Air Conditioning |
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Country/Territory | China |
City | Beijing |
Period | 9/10/03 → 11/10/03 |
Keywords
- AHU
- Chilling plant
- Principal component analysis (PCA)
- Sensor fault
ASJC Scopus subject areas
- General Engineering