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.:

US 9690308 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 27, 2017

Filed:

Dec. 19, 2012
Applicants:

Cirasys, Inc., Dallas, TX (US);

Board of Regents, the University of Texas System, Austin, TX (US);

Inventors:

Robert Jewell Taylor, Allen, TX (US);

Louis R. Hunt, Plano, TX (US);

Vikas V. Paduvalli, Richardson, TX (US);

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05F 1/46 (2006.01); H02M 3/156 (2006.01); H03K 7/08 (2006.01); H02M 1/14 (2006.01); H02M 3/157 (2006.01); H02M 1/00 (2006.01);
U.S. Cl.
CPC ...
G05F 1/468 (2013.01); H02M 1/14 (2013.01); H02M 3/156 (2013.01); H03K 7/08 (2013.01); H02M 3/157 (2013.01); H02M 2001/0025 (2013.01);
Abstract

In a preferred embodiment, a voltage converter comprises a voltage converter circuit, an output adjuster and a controller. The controller provides a control signal at a duty ratio determined dynamically by a set of input signals. The dynamic output adjuster determines the set of input signals by adjusting the ac component of an output voltage based on a gain Q. The dynamic output adjuster alleviates dependence on the value of Runder leading edge modulation in either analog or digital converter systems. In addition to delivering the desired left half plane zero effects, dynamic output adjustment reduces the value of the output ripple. As a result, modern control methods such as input-output linearization can be used to design both boost and buck-boost PWM converters if only left half plane zero effects are present.


Find Patent Forward Citations

Taylor, Robert. (2017). System and method for controlling output ripple of dc-dc converters with leading edge modulation control using current injection (U.S. Patent No. 9690308). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9690308

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