{
  "$type": "site.standard.document",
  "description": "In one aspect, it is aimed to provide a system of controlling a vehicle on a downslope route, the vehicle including a combustion engine provided with an engine retarder, and further comprising a brake controller programmed to: upon activating, by a driver, the engine retarder, activating, by the…",
  "path": "/patents/1394768",
  "publishedAt": "2026-02-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60T13/586",
    "DAF TRUCKS NV [NL]"
  ],
  "textContent": "In one aspect, it is aimed to provide a system of controlling a vehicle on a downslope route, the vehicle including a combustion engine provided with an engine retarder, and further comprising a brake controller programmed to: upon activating, by a driver, the engine retarder, activating, by the brake controller, of the foundation brake in a transient period having a foundation brake profile; wherein the foundation brake profile has a first initial phase with a peak brake power that lowers the speed of the vehicle on the downslope route, and wherein the foundation brake profile has a second phase that with a brake power lower than the peak brake power and that gradually decreases with a time constant about equal to the increase of engine retarder performance due to buildup of back pressure, to a steady state wherein the vehicle velocity is substantially constant with zero foundation brake power.",
  "title": "METHOD AND SYSTEM OF CONTROLLING A VEHICLE ON A DOWNSLOPE ROUTE"
}