Browsing by Author "Liu, Ran"
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Item Development of control quality factor for HVAC control loop performance assessment-II: Field testing and results (ASHRAE RP-1587)(Taylor & Francis, 2019) Liu, Ran; Li, Yanfei; O'Neill, Zheng D.; Zhou, Xiaohui; University of Alabama Tuscaloosa; United States Department of Energy (DOE); National Renewable Energy Laboratory - USAThis article is the third paper from the research project RP-1587, focusing on presenting a comprehensive field test of the proposed control quality factors (CQFs; i.e., CQF-Harris and CQF-exponentially weighted moving average [EWMA]) and testing results. Firstly, the simulated control loops and real control loops are evaluated for offline assessment. Then, the field experiment implemented for different HVAC control loops is assessed online using the proposed CQFs. Test results show that the proposed CQFs are capable of adequately and effectively assessing the HVAC control loop performance. The methodology of obtaining those CQFs is provided in the companion paper: Development of Control Quality Factor for HVAC Control Loop Performance Assessment I-Methodology (ASHRAE RP-1587) (Li et al. 2019).