Decentralized preview control for multiple disturbance rejection in HVAC systems

✍ Scribed by M. Zaheer-uddin; S.A.K. Al-Assadi; R.V. Patel

• Publisher: Elsevier Science
• Year: 1994
• Tongue: English
• Weight: 991 KB
• Volume: 2
• Category: Article
• ISSN: 0967-0661
• DOI: 10.1016/0967-0661(94)91621-7

✦ Synopsis

A decentralized preview controller is designed for temperature control of multizone indoor environmental spaces. A two-zone space heating system is considered. The physical system consists of a boiler, heat pumps, distribution network and two environmental zones. By assuming that the outdoor temperature variations are '~previewable", a decentralized preview controller is designed by using a parameter optimization method. The output responses of the resulting decentralized closed-loop bilinear system acted upon by single and multiple disturbances with and without preview action are compared. Also, results showing the robustness property of the controller, and the 24-hour building operation with unoccupied and occupied setpoint tracking using preview control are given.