{
"$type": "site.standard.document",
"description": "A decelerating factor estimating device (1) configured to estimate a decelerating factor of a vehicle (2) includes a drive force acquiring unit (62) configured to acquire a drive force of the vehicle (2); a vehicle speed acquiring unit (60) configured to acquire a vehicle speed of the vehicle (2)…",
"path": "/patents/966466",
"publishedAt": "2014-12-10T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"B60W30/143",
"TOYOTA MOTOR CO LTD [JP]"
],
"textContent": "A decelerating factor estimating device (1) configured to estimate a decelerating factor of a vehicle (2) includes a drive force acquiring unit (62) configured to acquire a drive force of the vehicle (2); a vehicle speed acquiring unit (60) configured to acquire a vehicle speed of the vehicle (2); an acceleration acquiring unit (61) configured to acquire an acceleration of the vehicle (2); and a decelerating factor estimating unit (63, 64, 65, 68) configured to estimate a plurality of decelerating factors based on a relationship of the acquired drive force, speed, and acceleration, wherein the decelerating factor estimating unit (63, 64, 65, 68) determines a type of the decelerating factor to estimate based on a traveling state of the vehicle, and at the time an estimated value of a first decelerating factor is converging, further widens a range of the traveling state of the vehicle to execute an estimation process of a second decelerating factor than a case where the estimated value of the first decelerating factor is not converging.",
"title": "DECELERATING FACTOR-ESTIMATING DEVICE"
}