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:
Sep. 12, 2023

Filed:

Feb. 08, 2021
Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventors:

Nageswara Rao Kalluri, Karnataka, IN;

Sridhar Katakam, Bangalore, IN;

Somasekhar Valleru, Bangalore, IN;

Pravinsharma Kaliyannan Eswaran, Karnataka, IN;

Rajkumar Perumal, Karnataka, IN;

Assignee:

HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/22 (2006.01); H01F 21/06 (2006.01); H03G 3/30 (2006.01);
U.S. Cl.
CPC ...
G01D 5/2291 (2013.01); H01F 21/06 (2013.01); H03G 3/3089 (2013.01); H03G 2201/103 (2013.01);
Abstract

System and methods for accuracy improvement of an LVDT are provided. Aspects include determining a first voltage from the first PGA and a second voltage from the second PGA, wherein the first voltage is determined from a PGA coupled to a first secondary winding, and wherein the second voltage is determined from a second PGA coupled to a second secondary winding, iteratively performing: analyzing the first voltage to determine a gain correction is needed for a first gain for the first PGA, the gain correction comprising change to the first gain, and analyzing the second voltage to determine a gain correction is needed for a second gain for the second PGA, the gain correction comprising change to the second gain, based on determining a gain correction is not needed for the first gain and the second gain, calculating a position based on the first voltage and the second voltage.


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