{
  "$type": "site.standard.document",
  "description": "System for determining the mass fraction of fresh gas in the intake manifold of an internal combustion engine of a motor vehicle, equipped with a turbocharger and at least one partial exhaust gas recirculation circuit at low pressure connected between the exhaust line and the compressor inlet, the…",
  "path": "/patents/966380",
  "publishedAt": "2014-12-10T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/0072",
    "RENAULT SA [FR]"
  ],
  "textContent": "System for determining the mass fraction of fresh gas in the intake manifold of an internal combustion engine of a motor vehicle, equipped with a turbocharger and at least one partial exhaust gas recirculation circuit at low pressure connected between the exhaust line and the compressor inlet, the system comprising: a subtractor (12) receiving as input a value of the mass fraction of fresh gas in the exhaust manifold as well as a value of an observer of the mass fraction of fresh gas in the exhaust manifold, a means for determining (13,14,15,16) the vector of time derivatives of the observed variables as a function of a predetermined model, an integration means (17) of the signal received from the means for determining (13,14,15,16) the vector of time derivatives of the observed variables, and a third calculation means (18) of the value of the mass fraction at the level of the intake manifold as a function of the vector of the observed variables.",
  "title": "System and method for determining the mass fraction of fresh gas in the intake manifold of an internal combustion engine of a motor vehicle"
}