{
  "$type": "site.standard.document",
  "coverImage": {
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  "description": "In a drive control apparatus (1) of a hybrid vehicle, a change rate restriction value of a target engine rotational speed which is set on the basis of a vehicle speed is preset, a restriction value of the target engine rotational speed is calculated from the change rate restriction value and a…",
  "path": "/patents/980281",
  "publishedAt": "2014-01-01T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K6/365",
    "SUZUKI MOTOR CORP [JP]"
  ],
  "textContent": "In a drive control apparatus (1) of a hybrid vehicle, a change rate restriction value of a target engine rotational speed which is set on the basis of a vehicle speed is preset, a restriction value of the target engine rotational speed is calculated from the change rate restriction value and a previous target engine rotational speed, a target engine operation point to decide the target engine rotational speed and a target engine torque is set on the basis of the restriction value of the target engine rotational speed and the provisional target engine rotational speed, a target electric power is calculated from a difference between a target engine power which is calculated from the target engine operation point and a target drive power, and torque instruction values of a plurality of motor generators (4, 5) are calculated by using a torque balance equation including a target engine torque which is obtained from the target engine operation point and an electric power balance equation including the target electric power. Thus, even in a transient state where the operation point of the internal combustion engine (2) is changed, since the target operation point line is traced, the fuel consumption can be improved.",
  "title": "DRIVE CONTROL DEVICE FOR HYBRID VEHICLE"
}