Multiple-model fault tolerant control of terminal unites of HVAC systems

P. M. Silva, Victor Becerra, I. Khoo, J. M. F. Calado

    Research output: Chapter in Book/Report/Conference proceedingConference contribution


    In this work, a fault-tolerant control scheme is applied to a air handling unit of a heating, ventilation and air-conditioning system. Using the multiple-model approach it is possible to identify faults and to control the system under faulty and normal conditions in an effective way. Using well known techniques to model and control the process, this work focuses on the importance of the cost function in the fault detection and its influence on the reconfigurable controller. Experimental results show how the control of the terminal unit is affected in the presence a fault, and how the recuperation and reconfiguration of the control action is able to deal with the effects of faults.
    Original languageEnglish
    Title of host publication2006 IEEE International Symposium on Industrial Electronics
    Place of PublicationPiscataway
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages2896 - 2901
    ISBN (Electronic)1424404975
    ISBN (Print)1424404967
    Publication statusPublished - 2006


    • HVAC systems, air handling unit, fault detection, heating ventilation and air-conditioning system, multiple-model approach, multiple-model fault tolerant control scheme, reconfigurable controller, terminal units


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