A physical quantity estimating apparatus and method that detects an acceleration and deceleration rate of a vehicle body and a rotational velocity of a wheel, estimates at least one of a tire radius of each wheel, a road surface gradient, and a spring constant of a combination spring which combines...http://www.google.fr/patents/US20030192375?utm_source=gb-gplus-shareBrevet US20030192375 - Physical quantity estimating apparatus and tire state determining apparatus, and estimating method of same and determination method of same
Physical quantity estimating apparatus and tire state determining apparatus ...
Numéro de demande: 10/410,166 Numéro de publication: US 2003/0192375 A1 Date de dépôt: 10 avr. 2003 Brevet délivré: US6871530 ( Date de délivrance 29 mars 2005)
