{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "A method of controlling a vehicle engine comprising estimating a value for the actual engine torque, comparing this with a further calculated (expected) torque value, and controlling the engine consequent to said comparing, the value for the actual engine torque being determined from the following…",
  "path": "/patents/1350813",
  "publishedAt": "2023-09-14T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "F02D41/009",
    "Borgwarner Luxembourg Automotive Systems S.A."
  ],
  "textContent": "A method of controlling a vehicle engine comprising estimating a value for the actual engine torque, comparing this with a further calculated (expected) torque value, and controlling the engine consequent to said comparing, the value for the actual engine torque being determined from the following steps: • a) from a crankshaft signal, providing a plot or signal indicative of instantaneous crankshaft speed; • b) differentiating said plot or signal indicative of instantaneous crankshaft speed with respect to time to determine acceleration values; • c) within a crankshaft/time interval, determining a maximum and a minimum acceleration value from step b); • d) determining the difference between said maximum and minimum acceleration values; • e) determining a torque value dependent on said difference from step d).",
  "title": "METHOD OF DETERMINING ENGINE TORQUE"
}