{
  "$type": "site.standard.document",
  "description": "The invention relates to a method for correcting a model (M) for estimating a quantity of NOx upstream of a catalytic reduction system (51) for a heat engine (2) adapted to inject a NOx reducer, characterized in that it comprises the following steps: - apply a first correction strategy…",
  "path": "/patents/949327",
  "publishedAt": "2015-08-26T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F01N3/208",
    "PEUGEOT CITROEN AUTOMOBILES SA [FR]"
  ],
  "textContent": "The invention relates to a method for correcting a model (M) for estimating a quantity of NOx upstream of a catalytic reduction system (51) for a heat engine (2) adapted to inject a NOx reducer, characterized in that it comprises the following steps: - apply a first correction strategy (Strat_corr_1) by applying a first correction coefficient to the quantity of reducer to be injected, - detect an overestimation or underestimation judged unacceptable of the quantity of NOx by the model (M), - if such detection is confirmed, apply a second correction strategy (Strat_corr_2) in which the estimation of the quantity of NOx of the model (M) is corrected by a second coefficient for correcting the quantity of NOx applied to the model (M).",
  "title": "METHOD FOR CORRECTING A MODEL FOR ESTIMATING AN AMOUNT OF NITROGEN OXIDES UPSTREAM FROM A SELECTIVE CATALYTIC REDUCTION SYSTEM"
}