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:
May. 26, 2015

Filed:

Apr. 14, 2011
Applicants:

Connel Brett Williams, West Midlands, GB;

Christopher David Dixon, Coventry, GB;

Robert James Huxford, Birmingham, GB;

Inventors:

Connel Brett Williams, West Midlands, GB;

Christopher David Dixon, Coventry, GB;

Robert James Huxford, Birmingham, GB;

Assignee:

TRW Limited, West Midlands, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 1/00 (2006.01); H02P 1/28 (2006.01); H02P 3/00 (2006.01); H02P 6/00 (2006.01); H02P 21/06 (2006.01); G05B 5/01 (2006.01); H02P 21/05 (2006.01); H02P 29/00 (2006.01); H02P 21/00 (2006.01);
U.S. Cl.
CPC ...
H02P 6/002 (2013.01); H02P 21/06 (2013.01); G05B 5/01 (2013.01); H02P 21/05 (2013.01); H02P 29/0038 (2013.01); H02P 21/0035 (2013.01);
Abstract

A control system for an electric motor comprises a current sensing means arranged to produce a current sensing output indicative of electric current in the motor, current control means arranged to receive the current sensing output and to output a voltage demand indicative of voltages to be applied to the motor, and voltage demand correction means arranged to generate a correction signal and to use the correction signal and the voltage demand to produce a corrected voltage demand.


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