Measurements of engine cylinder pressure have become routine at the General Motors Research Laboratories. EDPAC, an Engine Diagnostic Package, was designed and developed to process these data automatically from single-and multi-cylinder engines in order to provide engine performance and combustion information. EDPAC consists of several self-contained, independent software modules, each having a different analysis function. These include engine performance calculations, pressure-volume graphics, engine simulation for residual gas estimates, and heat release analysis. After each module is executed, computed results are stored automatically, providing input to subsequent software modules as well as providing a data base for future interrogation.Routine use of EDPAC to process pressure data results in reductions of costs, effort, and turn-around times. A data base containing performance, emissions, and combustion data is established automatically.


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    Titel :

    An Engine Diagnostic Package (EDPAC) - Software for Analyzing Cylinder Pressure-Time Data


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1978 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1978



    Erscheinungsdatum :

    1978-02-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch





    An Engine Diagnostic Package ( EDPAC ) - Software for Analysing Cylinder Pressure-Time Data

    Young,M.B. / Lienesch,J.H. / General Motors Res.Lab.,US | Kraftfahrwesen | 1978



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