A New Automotive Air Conditioning System Simulation Tool Developed in MATLAB/Simulink

Research output: Contribution to conferencePaper


Further improvements in vehicle fuel efficiency require accurate evaluation of the vehicle's transient total power requirement. When operated, the air conditioning (A/C) system is the largest auxiliary load on a vehicle; therefore, accurate evaluation of the load it places on the vehicle's engine and/or energy storage system is especially important. Vehicle simulation software, such as'Autonomie,' has been used by OEMs to evaluate vehicles' energy performance. A transient A/C simulation tool incorporated into vehicle simulation models would also provide a tool for developing more efficient A/C systems through a thorough consideration of the transient A/C system performance. The dynamic system simulation software Matlab/Simulink was used to develop new and more efficientvehicle energy system controls. The various modeling methods used for the new simulation tool are described in detail. Comparison with measured data is provided to demonstrate the validity of the model.
Original languageAmerican English
Number of pages15
StatePublished - 2013
EventSAE 2013 World Congress and Exhibition - Detroit, Michigan
Duration: 16 Apr 201318 Apr 2013


ConferenceSAE 2013 World Congress and Exhibition
CityDetroit, Michigan

Bibliographical note

Posted with permission

NREL Publication Number

  • NREL/CP-5400-57488


  • air conditioning
  • Matlab
  • power load
  • Simulink
  • vehicle simulation software


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