Vehicle tyre to road friction value estimation arrangement
Patent, 2018

A vehicle tyre to road friction value estimation arrangement (1) is provided comprising a vehicle impact detecting unit (3), a vehicle wheel axle lateral acceleration estimation unit (5.1, 5.2, 5.3, 5.4), and a processing unit (7). The vehicle impact detecting unit (3) is arranged to detect occurrence of an impact. The vehicle wheel axle lateral acceleration estimation unit (5.1, 5.2, 5.3, 5.4) is arranged to, upon a detected occurrence of an impact, estimate or measure a lateral acceleration of at least one vehicle wheel axle (13.1, 13.2) of the host vehicle (9). The processing unit (7) is arranged to determine an occurrence of a shift in direction of the lateral acceleration, and obtain a subsequent peak lateral acceleration estimate and to calculate an estimate of a host vehicle tyre to road friction value based on the thus obtained peak lateral acceleration estimate. The present invention also relates to a post impact vehicle control system (2), a vehicle (9) comprising a post impact vehicle control system (2) and a method (100) of estimating a vehicle tyre to road friction value.

The present invention relates to a vehicle tyre to road friction value estimation arrangement. The present invention also relates to post impact vehicle control system comprising a vehicle tyre to road friction value estimation arrangement and a vehicle comprising a post impact vehicle control system and a method of estimating a vehicle tyre to road friction value.

https://encrypted.google.com/patents/EP2883771A1?cl=un

Uppfinnare

Mats Jonasson

Volvo Cars

Bengt J H Jacobson

Chalmers, Mekanik och maritima vetenskaper, Fordonsteknik och autonoma system

Derong Yang

Volvo Cars

Timothy James Gordon

University of Lincoln

Volvo Car Corporation

I3109SE00

EP 2883771 A

Styrkeområden

Transport

Ämneskategorier

Farkostteknik