The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2008
Filed:
Oct. 25, 2004
Toshihiro Suzuki, Toyota, JP;
Mitsuru Ohba, Anjo, JP;
Toshihiro Suzuki, Toyota, JP;
Mitsuru Ohba, Anjo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
There is provided wheel speed detection means for detecting a wheel speed V based on a pulse signal corresponding to a rotational speed of a wheel, driving torque integration means calculates an integral value Tdt of driving torque Tgenerated by the engine, and running situation determination means determines a vehicle running situation based on an actual wheel speed V and the integral value Tdt of the driving torque T. That is, the running situation determination means appropriately determines the vehicle running situation by comparing the actual wheel speed V which varies according to the vehicle running situation, and the function f (Tdt) even when the actual wheel speed is in the extremely low speed region. The function f (Tdt) is the function of the integral value Tdt of the driving torque T, and is also the function of the estimated wheel speed Vthat is estimated based on the integral value Tdt of the driving torque T.