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. 15, 2003
Filed:
Mar. 21, 2001
Applicant:
Inventors:
Gerd Griepentrog, Gutenstetten, DE;
Diethard Runggaldier, Stegaurach, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/900 ;
U.S. Cl.
CPC ...
G06F 1/900 ;
Abstract
In a method and device for determining the torque of an induction machine, stator terminal voltages and the stator terminal currents are integrated and then high-pass filtered to determine a space vector of the concatenated stator flux. The torque is calculated therefrom by multiplication by a complex correction factor.