Two recent enhancements to Distributed Heterogeneous Simulation (DHS) are variable communication rates and higher-order predictors. Variable communication automatically controls the communication interval between any two subsystems in an attempt to achieve a desired accuracy during transient periods and maximize speed during steady-state periods. Higher-order predictors can better estimate the values of exchanged variables between data exchange instances, which can improve accuracy and possibly require fewer exchanges. A comparison between a single-computer simulation of an aircraft electric power system and an equivalent three-computer DHS show that the variable communication technique enables more accuracy and higher speed distributed simulations than fixed-step communication. In addition, higher-order predictors are shown to increase accuracy in some cases.


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    Title :

    Improvements in the Distributed Heterogeneous Simulation of Aircraft Electric Power Systems


    Additional title:

    Sae Technical Papers


    Contributors:
    Loop, B. P. (author) / Lucas, C. E. (author) / Walters, E. A. (author) / Hasan, M. (author) / Kumbar, N. (author) / Field, S. (author)

    Conference:

    Power Systems Conference ; 2006



    Publication date :

    2006-11-07




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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