Control of Variable-Speed Pressurization Fan for an Offshore HVAC System

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3 Citations (Scopus)


Due to the harsh weather conditions, severe spatial limitations and extreme high safety requirements, the indoor climate control for offshore oil & gas production platforms is much more challenging than any on-shore situations. For instance, the indoor pressure of man-board quarters should be kept all the way above the ambient pressure according to safety regulations. Meanwhile, the indoor air needs to be regularly changed in order to guarantee the indoor air quality. Both requirements could be possibly achieved by automatically manipulating either the throttle valve located at the terminal of the inlet channel in the considered Heating Ventilation and Air-Condition (HVAC) system, or the pressurization system located inside the inlet channel, or both of them in a coordinated way. A Model-Predictive Control (MPC) solution to control the inlet throttle has been proposed in our previous work. This paper proposes a set of control solutions to regulate the variablespeed pressurization fan system such that the energy efficiency of the considered HVAC system can be explicitly considered. A combined feed-forward with a PI-based feedback control solution, and a MPC solution are proposed based on derived simple system models. Some preliminary simulation results exhibit that both control solutions can keep the indoor pressure and the air circulation in a very satisfactory and robust manner, even subject to the presence of severe disturbances.
Original languageEnglish
Title of host publicationProceedings of the 2014 IEEE International Conference on Mechatronics and Automation (ICMA)
Number of pages6
PublisherIEEE Press
Publication dateAug 2014
ISBN (Print)978-1-4799-3978-7
Publication statusPublished - Aug 2014
Event2014 IEEE International Conference on Mechatronics and Automation (ICMA) - Tianjin, China
Duration: 3 Aug 20146 Aug 2014


Conference2014 IEEE International Conference on Mechatronics and Automation (ICMA)


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