Development of control method and dynamic model for multi-evaporator air conditioners (MEAC)

Chen Wu, Zhou Xingxi, Shiming Deng

Research output: Journal article publicationJournal articleAcademic researchpeer-review

129 Citations (Scopus)


Interference between operation parameters among the different evaporators makes the desirable control of MEAC hard to realize. A novel control strategy is herein proposed. The suction pressure was taken as the controlled variable to modulate the speed of its compressor, and at the same time, the room air temperatures were taken to regulate the openings of individual electronic expansion valves (EEV). A self tuning fuzzy control algorithm with a modifying factor was incorporated in the controller. A controllability test was conducted with a dynamic thermodynamic model developed with a special modeling methodology. The controllability test has shown that the control strategy and algorithm are feasible and can achieve desirable control results.
Original languageEnglish
Pages (from-to)451-465
Number of pages15
JournalEnergy Conversion and Management
Issue number3
Publication statusPublished - 1 Feb 2005


  • Control strategy
  • Controllability
  • Fuzzy control algorithm
  • Multi-evaporator air conditioner
  • Thermodynamic model

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology
  • Nuclear Energy and Engineering
  • Renewable Energy, Sustainability and the Environment


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