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:
Jul. 20, 2010
Filed:
Aug. 31, 2007
Lars Hofmann, Wolfsburg, DE;
Lars Hofmann, Wolfsburg, DE;
Volkswagen AG, Wolfsburg, DE;
Abstract
A method for a shift control of a drivetrain of a motor vehicle includes providing the drivetrain of the motor vehicle as a hybrid drivetrain wherein an electric machine is connected to an input shaft of an automated stepped shift transmission and wherein an internal combustion engine is connected to the input shaft of the automated stepped shift transmission via a decoupling clutch. Currently valid shift characteristic curves used for triggering respective shifts of the automated stepped shift transmission are determined respectively in dependence of current driving and operating parameters by performing an interpolation between a first limit shift characteristic curve for a first driving characteristic and a second limit shift characteristic curve for a second driving characteristic wherein the respective limit shift characteristic curves are identical in all operating modes, however a permissible interpolation range in a purely electric operation is limited.