{
  "$type": "site.standard.document",
  "description": "An engine combustion control method may include: determining, by a controller, whether a fuel injection timing of an engine matches with an engine running condition of the engine; performing, by the controller, when the fuel injection timing matches with the engine running condition of the engine…",
  "path": "/patents/1290170",
  "publishedAt": "2021-05-13T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/401",
    "HYUNDAI MOTOR COMPANY"
  ],
  "textContent": "An engine combustion control method may include: determining, by a controller, whether a fuel injection timing of an engine matches with an engine running condition of the engine; performing, by the controller, when the fuel injection timing matches with the engine running condition of the engine, a fuel injection variable establishment control (or a variable control of a fuel injection timing) that performs a Wavelet process on a frequency band selected by matching a vibration frequency of a vibration sensor signal to an engine frequency transformed under an engine running condition; and when the fuel injection timing matches with the engine running condition, updating a fuel injection parameter by correcting a target value of a combustion factor based on the fuel injection timing.",
  "title": "SAMPLING VIBRATION FREQUENCY RATE DOWNSIZING TYPE ENGINE COMBUSTION CONTROL METHOD AND ENGINE COMBUSTION CONTROL SYSTEM"
}