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. 01, 2020

Filed:

Nov. 12, 2019
Applicant:

Cnh Industrial America Llc, New Holland, PA (US);

Inventors:

Joshua D. Zimmerman, Willow Springs, IL (US);

Andrea Gravili, Lecce, IT;

Antonio Venezia, Turin, IT;

Joseph R. Shoemaker, West Burlington, IA (US);

Kushan Vora, Westmont, IL (US);

Assignee:

CNH Industrial America LLC, New Holland, PA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B62D 11/00 (2006.01); B62D 11/12 (2006.01); F16H 39/02 (2006.01); F16H 61/47 (2010.01);
U.S. Cl.
CPC ...
B62D 11/003 (2013.01); B62D 11/12 (2013.01); F16H 39/02 (2013.01); F16H 61/47 (2013.01);
Abstract

A method for executing straight tracking control may include receiving an input command(s) associated with controlling the operation of a first-side drive system and/or a second-side drive system of a hydrostatic transmission of a work vehicle to drive the vehicle along a straight path. The method may also include receiving first and second speed signals associated with the output speeds of the drive systems, and modifying the first speed signal or the second speed signal based on a speed scaling factor to generate a corrected speed signal. In addition, the method may include determining an adjusted control command for controlling the operation of the hydrostatic transmission as a function of the input command(s) and a control output determined based on the corrected speed signal. Further, the method may include controlling the operation of the hydrostatic transmission based at least in part on the adjusted control command.


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