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:
Nov. 11, 2008
Filed:
Jan. 05, 2005
Bulent Sarlioglu, Torrance, CA (US);
Colin Huggett, Longmont, CO (US);
Bulent Sarlioglu, Torrance, CA (US);
Colin Huggett, Longmont, CO (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A method and apparatus for deriving phase voltage control signals for use in controlling current flow to an induction motor. The method may comprise obtaining an error term; converting the error term into a commanded voltage value; transforming the commanded voltage value into a commanded voltage vector; and converting the commanded voltage vector into the phase voltage control signals via pulse width modulation control. The apparatus may comprise a Park vector converter for converting a first stator phase measurement and a second stator phase measurement into a stator phase current vector; a scalar operator for obtaining a stator phase current value; a summer for obtaining an error term; an error converter for converting the error term into a commanded voltage value; a voltage transformer for transforming the commanded voltage value into a commanded voltage vector, and pulse width modulation control for converting the commanded voltage vector into the phase voltage control signals.