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:
Jun. 02, 2015
Filed:
Mar. 11, 2013
The Boeing Company, Chicago, IL (US);
Qingquan Tang, Brooklyn, NY (US);
Dariusz Czarkowski, S. Setauket, NY (US);
Francisco de Leon, Ridgewood, NJ (US);
Kamiar Karimi, Kirkland, WA (US);
Shengyi Liu, Sammamish, WA (US);
The Boeing Company, Chicago, IL (US);
Abstract
A control system for a power drive section of a three-phase system is disclosed. The control system comprises a positive sequence channel, a negative sequence channel, and a zero sequence channel. The positive sequence channel processes positive sequence error signals, the negative sequence channel processes negative sequence error signals, and the zero sequence channel processes zero sequence error signals. Each sequence channel includes a harmonic repetitive controller, a repetitive controller compensator, and a fundamental frequency controller configured to operate in parallel with the harmonic repetitive controller and repetitive controller compensator. Both the repetitive controller compensator of the negative sequence channel and the repetitive controller compensator of the positive sequence channel are configured with the same, first frequency response. The repetitive controller compensator of the zero sequence channel is configured with a second frequency response that is different from the first frequency response.