Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Classification of sequencing logic faults in multiple zone air handling units: A review and case study
This paper classifies common sequencing logic faults in multiple zone variable air volume (VAV) air handling unit (AHU) systems by conducting a critical review of the literature. Six broad categories of sequencing logic faults are identified affecting the state of operation, mode of operation, and supply air temperature and duct static pressure setpoint reset programs. A case study with building automation system (BAS) trend data from two VAV AHU systems is conducted to provide examples of these sequencing logic faults. Four of the six fault types are found present in at least one of the two AHUs. The most significant fault discovered was an incorrect reference to a nonexistent VAV terminal damper address forcing an unnecessarily high duct static pressure setpoint and wasting fan electricity. The BAS programs are reviewed in consultation with the operations staff, and the coding mistakes leading to the detected anomalous behavior are identified.
Classification of sequencing logic faults in multiple zone air handling units: A review and case study
This paper classifies common sequencing logic faults in multiple zone variable air volume (VAV) air handling unit (AHU) systems by conducting a critical review of the literature. Six broad categories of sequencing logic faults are identified affecting the state of operation, mode of operation, and supply air temperature and duct static pressure setpoint reset programs. A case study with building automation system (BAS) trend data from two VAV AHU systems is conducted to provide examples of these sequencing logic faults. Four of the six fault types are found present in at least one of the two AHUs. The most significant fault discovered was an incorrect reference to a nonexistent VAV terminal damper address forcing an unnecessarily high duct static pressure setpoint and wasting fan electricity. The BAS programs are reviewed in consultation with the operations staff, and the coding mistakes leading to the detected anomalous behavior are identified.
Classification of sequencing logic faults in multiple zone air handling units: A review and case study
Gunay, Burak (Autor:in) / Torabi, Narges (Autor:in) / Shillinglaw, Scott (Autor:in)
Science and Technology for the Built Environment ; 28 ; 577-594
27.05.2022
18 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
A robust fault detection and diagnosis strategy for multiple faults of VAV air handling units
| Online Contents | 2016
A robust sequencing control strategy for air-handling units
| British Library Online Contents | 2004
A New Sequencing Control Strategy for Air-Handling Units
| Taylor & Francis Verlag | 1999
A Robust Model-Based Approach to Diagnosing Faults in Air-Handling Units
| British Library Conference Proceedings | 1999
A probabilistic approach to diagnose faults of air handling units in buildings
| Online Contents | 2016