Rapid engine mapping and modeling
First Claim
1. A method of mapping and modeling an engine during an engine development process, comprising:
- testing said engine over a plurality of actual engine operating conditions;
gathering actual engine data corresponding to said actual engine operating conditions;
determining a plurality of parameter functions based on said actual engine data, each of said plurality of parameter functions corresponding to an engine operating parameter;
providing an engine simulation model based on said plurality of actual engine operating conditions and said plurality of engine operating parameters; and
generating a plurality of engine maps using said engine simulation model.
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Abstract
A method of mapping and modeling an engine during an engine development process includes testing the engine over a plurality of actual engine operating conditions and gathering actual engine data corresponding to the actual engine operating conditions. A plurality of parameter functions are determined based on the actual engine data, each of the plurality of parameter functions correspond to an engine operating parameter. A plurality of combustion parameters are generated for a plurality of engine operating conditions that include the plurality of actual engine operating conditions and a plurality of virtual engine operating conditions. An engine simulation model is calibrated based on the plurality of combustion parameters and a plurality of engine maps are generated using the simulation model.
46 Citations
20 Claims
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1. A method of mapping and modeling an engine during an engine development process, comprising:
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testing said engine over a plurality of actual engine operating conditions; gathering actual engine data corresponding to said actual engine operating conditions; determining a plurality of parameter functions based on said actual engine data, each of said plurality of parameter functions corresponding to an engine operating parameter; providing an engine simulation model based on said plurality of actual engine operating conditions and said plurality of engine operating parameters; and generating a plurality of engine maps using said engine simulation model. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of mapping and modeling an engine during an engine development process, comprising:
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testing said engine over a plurality of actual engine operating conditions; gathering actual engine data corresponding to said actual engine operating conditions; determining a plurality of parameter functions based on said actual engine data, each of said plurality of parameter functions corresponding to an engine operating parameter; generating a plurality of combustion parameters for a plurality of engine operating conditions; calibrating an engine simulation model based on said plurality of combustion parameters; generating a plurality of engine maps using said engine simulation model; generating a mean-value engine model (MVEM) based on said plurality of engine maps; and simulating engine dynamic responses during transient conditions using said MVEM. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification