ACTIVE TUNING SYSTEM FOR ENGINE CONTROL UNIT
First Claim
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1. A method for an engine control unit to update internal tables based on feedback from the engine without external computing, comprising the steps of:
- establishing flash memory and RAM memory in the ECU;
assigning a portion of the RAM memory to storage of a table of engine conditions from the flash memory;
updating all program code pointers to the table to read the table from the assigned portion of RAM; and
revise the table in RAM based on input received from the engine sensors.
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Abstract
A method for an engine control unit to update internal tables based on feedback from the engine without external computing, comprising the steps of establishing flash memory and RAM memory in the ECU, assigning a portion of the RAM memory to storage of a table of engine conditions from the flash memory, updating all program code pointers to the table to read the table from the assigned portion of RAM, and revise the table in RAM based on input received from the engine sensors.
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Citations
9 Claims
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1. A method for an engine control unit to update internal tables based on feedback from the engine without external computing, comprising the steps of:
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establishing flash memory and RAM memory in the ECU; assigning a portion of the RAM memory to storage of a table of engine conditions from the flash memory; updating all program code pointers to the table to read the table from the assigned portion of RAM; and revise the table in RAM based on input received from the engine sensors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification