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:
Nov. 29, 2016

Filed:

Mar. 25, 2015
Applicant:

GM Global Technology Operations Llc, Detroit, MI (US);

Inventors:

Robert C. Baraszu, Dearborn, MI (US);

Andrew J. Namou, West Bloomfield, MI (US);

David S. Maxwell, Madison Heights, MI (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/36 (2006.01); G05D 1/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3679 (2013.01); G01R 31/3648 (2013.01); G05D 1/0055 (2013.01);
Abstract

Systems and methods are disclosed for determining a weld state of a contactor (e.g., normal, partially welded, and/or welded states) based on a variety of actuator coil characteristics during actuation. In some embodiments, the disclosed systems and methods may be utilized in connection with determining contactor weld states in a variety of contactor designs. In further embodiments, the disclosed systems and methods may utilize a probability weighted score accounting for contactor design characteristics and information obtained from a reference contactor to identify a weld state associated with a contactor device.


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