Research progress of fault detection and diagnosis technology for HVAC system

Summarizes the common faults in HVAC system. Presents the basic methods of fault detection and diagnosis, and briefly describes both the qualitative and quantitative analysis methods. Reviews the historical achievements of fault detection and diagnosis research for HVAC system, and presents domestic and international research status in detail. Analyses and points out the problems in current fault detection and diagnosis techniques and proposes the future development direction.