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:
Apr. 11, 2017
Filed:
Oct. 05, 2012
Robert Bosch Gmbh, Stuttgart, DE;
Alexander Scheidle, Stutensee, DE;
Martin Wirth, Saint-Ouen, FR;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
Method for controlling an electrical machine (), in particular for an electric or hybrid drive train () of a motor vehicle (), wherein the electrical machine () can provide a torque (T) both at positive and at negative speeds (n), having the steps of:—using a characteristic curve (M; G) to check whether a torque desired value () can or may be provided by the electrical machine (), wherein the characteristic curve (M; G) represents a limit torque with respect to the speed (n) and has a first section (A; A) for positive speeds and a second section (A; A) for negative speeds. In this case, the first section (A; A) and the second section (A; A) are arranged in the same quadrant (I; IV) of the characteristic curve ().