Patent ID: 9228527
Filing Date: 2016-01-05
CPC Classification: F02B,F02D,Y02T

Claim Text:
1. A method of estimating performance information for a combustion cycle of an internal combustion engine, the internal combustion engine including a pressure sensor, a temperature sensor, an engine control unit, the engine control unit having a processor and a memory, and a cylinder having an intake valve, an exhaust valve, a fuel injector, and a spark source, the method comprising: retrieving from the memory of the engine control unit estimated performance information for a previous combustion cycle, the estimated performance information including a temperature value and a fuel amount; receiving via the engine control unit, engine actuator settings for the previous combustion cycle, the engine actuator settings including a value of at least one engine actuator setting applied to at least one of the group consisting of the intake valve, the exhaust valve, the fuel injector, and the spark source; estimating via the engine control unit, the performance information for the current combustion cycle based, at least in part, on the estimated performance information for the previous combustion cycle and the engine actuator settings for the previous combustion cycle; and storing the estimated performance information for the current combustion cycle to the memory of the engine control unit to be used in estimating performance information for a subsequent combustion cycle.