Systems and methods for rescaling executable simulation models

One or more non-transitory computer-readable media, having stored thereon instructions that when executed by a computing device, cause the computing device to perform operations comprising:

• access, from a memory, an engine controller simulation model and an engine simulation model, the engine controller simulation model and the engine simulation model being executable by a simulation engine of a modeling environment, the engine controller simulation model including original controller parameters and original controller lookup tables, the engine simulation model including original engine parameters and original engine lookup tables, the engine simulation model during execution simulating operation of an original engine of a given size;
• receive one or more rescaling factors that indicate a change in the given size of the original engine to a new size of a resized engine;
• determine, by a processor coupled to the memory, based on the one or more rescaling factors, a plurality of ratios between the original engine of the given size and the resized engine of the new size;
• generate, by the processor, rescaled controller parameters by modifying the original controller parameters based on the plurality of ratios;
• generate, by the processor, rescaled engine parameters by modifying the original engine parameters based on the plurality of ratios;
• create, by the processor, reshaped controller lookup tables by modifying the original controller lookup tables based on the plurality of ratios;
• create, by the processor, reshaped engine lookup tables by modifying the original engine lookup tables based on the plurality of ratios;
• and
• at least one of
• execute the engine controller simulation model and the engine simulation model utilizing the rescaled controller parameters, the rescaled engine parameters, the reshaped controller lookup tables, and the reshaped engine lookup tables, to simulate operation of the resized engine of the new size, or
• generate code for the engine controller simulation model including the rescaled controller parameters and the reshaped controller lookup tables.

An apparatus comprising:

• a memory storing an engine controller simulation model and an engine simulation model, the engine controller simulation model and the engine simulation model being executable by a simulation engine of a modeling environment, the engine controller simulation model including original controller parameters and original controller lookup tables, the engine simulation model including original engine parameters and original engine lookup tables, the engine simulation model during execution simulating operation of an original engine of a given size;
• and
• a processor coupled to the memory, the processor configured to:
• receive one or more rescaling factors that indicate a change in the given size of the original engine to a new size of a resized engine;
• determine, based on the one or more rescaling factors, a plurality of ratios between the original engine of the given size and the resized engine of the new size;
• generate rescaled controller parameters by modifying the original controller parameters based on the plurality of ratios;
• generate rescaled engine parameters by modifying the original engine parameters based on the plurality of ratios;
• create reshaped controller lookup tables by modifying the original controller lookup tables based on the plurality of ratios;
• create reshaped engine lookup tables by modifying the original engine lookup tables based on the plurality of ratios;
• and
• at least one of
• execute the engine controller simulation model and the engine simulation model utilizing the rescaled controller parameters, the rescaled engine parameters, the reshaped controller lookup tables, and the reshaped engine lookup tables, to simulate operation of the resized engine of the new size, or
• generate code for the engine controller simulation model including the rescaled controller parameters and the reshaped controller lookup tables.

A method comprising:

• accessing, from a memory, within a modeling environment, an engine controller simulation model and an engine simulation model, the engine controller simulation model and the engine simulation model being executable by a simulation engine of a modeling environment, the engine simulation model during execution simulating operation of an original engine of a given size, the engine controller simulation model including a model of the original engine and implementing a feedforward controller that matches the engine simulation model;
• receiving one or more rescaling factors that indicate a change in the given size of the original engine to a new size of a resized engine;
• rescaling, by a processor coupled to the memory, based on the one or more rescaling factors, the engine simulation model to simulate the resized engine of the new size;
• rescaling, by the processor, based on the one or more rescaling factors, the engine controller simulation model to match the engine simulation model as rescaled to simulate the resized engine of the new size;
• and
• executing, by the processor, the engine controller simulation model and the engine simulation model following the rescaling of the engine controller simulation model and the rescaling of the engine simulation model to simulate operation of the resized engine of the new size.

One or more non-transitory computer-readable media, having stored thereon instructions that when executed by a computing device, cause the computing device to perform operations comprising:

• access, from a memory, within a modeling environment, an engine controller simulation model and an engine simulation model, the engine controller simulation model and the engine simulation model being executable by a simulation engine of a modeling environment, the engine simulation model during execution simulating operation of an original engine of a given size, the engine controller simulation model including a model of the original engine and implementing a feedforward controller that matches the engine simulation model;
• receive one or more rescaling factors that indicate a change in the given size of the original engine to a new size of a resized engine;
• rescale, by one or more processors coupled to the memory, based on the one or more rescaling factors, the engine simulation model to simulate the resized engine of the new size;
• rescale, by the one or more processors, based on the one or more rescaling factors, the engine controller simulation model to match the engine simulation model as rescaled to simulate the resized engine of the new size;
• and
• execute, by the one or more processors, the engine controller simulation model and the engine simulation model following the rescaling of the engine simulation controller model and the rescaling of the engine simulation model to simulate operation of the resized engine of the new size.