Sensitivity and uncertainty analysis of cooling water control strategies

Kui Shan, Shengwei Wang, Fu Xiao, Yongjun Sun

Research output: Journal article publicationJournal articleAcademic researchpeer-review

15 Citations (Scopus)


Many studies have been focusing on optimal control of HVAC systems. Various optimal control methods were developed by researchers. However, the uncertainties in the optimal control strategies were rarely considered. The uncertainties commonly exist in the measurements of real plants. These measurement uncertainties impact the outputs of optimal control strategies. As a result, the risk of implementing the optimal control strategies in real systems should be analyzed. This article presents a method for analyzing the impacts of measurement uncertainties on control strategies. The method is used to evaluate control strategies for a typical cooling water system. Results show that the method applied in the uncertainty analysis is effective in estimating the uncertainty propagation in control strategies. Furthermore, energy wastes of a central cooling plant resulting from measurement uncertainties in different seasons using different control strategies are estimated.
Original languageEnglish
Pages (from-to)435-443
Number of pages9
JournalHVAC and R Research
Issue number4
Publication statusPublished - 19 May 2013

ASJC Scopus subject areas

  • Building and Construction


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