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:
Dec. 10, 2013
Filed:
Aug. 09, 2011
Sebastian Villwock, Pechbrunn, DE;
Heiko Zatocil, Nuremberg, DE;
Sebastian Villwock, Pechbrunn, DE;
Heiko Zatocil, Nuremberg, DE;
Baumuller Nurnberg GmbH, Nuremberg, DE;
Abstract
A method for the identification without shaft encoder of magnetomechanical characteristic quantities of a three-phase asynchronous comprising: —constant voltage impression Uin α axial direction in order to generate a constant magnetic flux; —test signal voltage supply Uin β axial direction of the asynchronous motor, whereby the α axial direction remains supplied with constant current; —measuring signal current measurement Iin β stator axial direction of the asynchronous motor; —identification of mechanical characteristic quantities of the asynchronous motor based on the test signal voltage Uand on the measuring signal current I, whereby the rotor can execute deflection movements. Method can also be used for control of electrical drives. An identification apparatus for the determination of mechanical characteristic quantities of an asynchronous motor and for motor control, whereby the identified characteristic quantities can be used to determine, optimize and monitor a motor control.