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.

Date of Patent:
Jul. 14, 2020

Filed:

Oct. 21, 2015
Applicant:

Fluke Precision Measurement Limited, Norwich, GB;

Inventor:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L 5/00 (2006.01); H02P 21/20 (2016.01); H02P 23/14 (2006.01); G01L 3/02 (2006.01);
U.S. Cl.
CPC ...
G01L 5/00 (2013.01); G01L 3/02 (2013.01); H02P 21/20 (2016.02); H02P 23/14 (2013.01);
Abstract

A method of estimating the torque of an axle of a running motor, comprising receiving data indicative of the total electrical active power, P, supplied to the motor, determining the electromechanical power, P, supplied to the axle using the data indicative of the total electrical active power, P, receiving data indicative of a rotor speed, n, or rotor frequency, f, of the axle, determining an angular rotor frequency, ω, of the axle using the data indicative of rotor speed, n, or rotor frequency, f, of the axle, and determining electromechanical axle torque, T, using the determined electromechanical power, P, and the determined angular rotor frequency, ω.


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