{
"$type": "site.standard.document",
"coverImage": {
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"description": "The method according to the invention, for automatically controlling the gear ratio of a transmission (1, 1') of a vehicle such as a wheel loader, comprises the step of determining the disturbance torque fraction (T_ext) of the load torque applied to the first input shaft (3) at a predetermined…",
"path": "/patents/921187",
"publishedAt": "2017-09-13T00:00:00.000Z",
"site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
"tags": [
"F16H61/462",
"DANA REXROTH TRANS SYSTEMS S R L [IT]"
],
"textContent": "The method according to the invention, for automatically controlling the gear ratio of a transmission (1, 1') of a vehicle such as a wheel loader, comprises the step of determining the disturbance torque fraction (T_ext) of the load torque applied to the first input shaft (3) at a predetermined instant (i) on the basis of the rotational speed (n_eng) of the first input shaft (3) and of one or more of the following quantities: A) the torque (T_eng) applied to the engine shaft or to the first input shaft (3) by the primary engine (29); B) the torque (T_c) applied at least to the first output shaft (19); C) the rotational inertia of the primary engine (J_eng) reduced to the first input shaft (3); D) the rotational inertia (J_htv) of the transmission (1) reduced to the first input shaft (3).",
"title": "METHOD FOR AUTOMATICALLY CONTROLLING THE GEAR RATIO OF A TRANSMISSION OF A VEHICLE, CONTROL SYSTEM, VEHICLE AND COMPUTER PROGRAM FOR CARRYING OUT SUCH METHOD"
}