{
  "$type": "site.standard.document",
  "description": "Method performed by a network node (101) for estimating a relative tire friction performance of a number of vehicles (vn), wherein said network node (1) and at least one communication unit (102) being located in each vehicle (vn) are comprised in a communications network (103), the method…",
  "path": "/patents/950587",
  "publishedAt": "2015-05-27T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/246",
    "VOLVO CAR CORP [SE]"
  ],
  "textContent": "Method performed by a network node (101) for estimating a relative tire friction performance of a number of vehicles (vn), wherein said network node (1) and at least one communication unit (102) being located in each vehicle (vn) are comprised in a communications network (103), the method comprising receiving (201) continuously tire-to-road friction values (f) and corresponding VSPs (Vehicle State Parameters) (l, t) from each communication unit in the number of vehicles (v) during the driving thereof, each VSP comprising at least the geographical location (I) at which the tire-to-road friction value (f) is measured, and the instant in time (t) when the tire-to-road friction value (f) is measured; the method further comprising determining (202) that a tire-to-road friction value (f1) of a vehicle (v1) in the number of vehicles (v) is comparative to at least one other tire-to-road friction value (f2) of another vehicle (v2) in the number of vehicles (v), when the corresponding VSP (l2, t2) of said at least one other tire-to-road friction value (f2) deviates less than a predetermined deviation range from the corresponding VSP (l1,t1) of the tire-to-road friction value (f1) of a vehicle (v1); comparing (203) the tire-to-road friction value (f1) of the vehicle (v1) to the at least one other tire-to-road friction value (f2) of the another vehicle (v2); and determining (204) a ranking of the relative tire friction performance of the vehicle (v1) in relation to at least the another vehicle (v2) based on said comparison.",
  "title": "Method for estimating a relative tire friction performance"
}