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:
Jun. 13, 2023

Filed:

Dec. 31, 2019
Applicant:

Textron, Inc., Providence, RI (US);

Inventors:

Russell William King, Evans, GA (US);

Kevin Douglas Grove, McCormick, SC (US);

Assignee:

Textron Innovations Inc., Providence, RI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02P 3/14 (2006.01); B60L 7/18 (2006.01); B60L 7/14 (2006.01); B60L 3/10 (2006.01);
U.S. Cl.
CPC ...
B60L 7/18 (2013.01); B60L 7/14 (2013.01); B60L 3/108 (2013.01); B60L 2200/22 (2013.01); B60L 2240/32 (2013.01); B60L 2250/26 (2013.01); B60T 2270/613 (2013.01);
Abstract

A technique controls regenerative braking to reduce skidding of a vehicle. Such a technique involves imparting rotation to an alternating current (AC) electric motor to move the vehicle to a first commanded vehicle speed; applying a regenerative braking power to the AC electric motor to bring the vehicle to a second commanded vehicle speed; while applying the regenerative braking power, adjusting the level of regenerative braking power applied to follow a predetermined speed reduction rate; while adjusting the level of regenerative braking power applied, provide a limit to the maximum level of regenerative braking power available; and while providing the limit to the maximum level of regenerative braking power available, adjusting the limit to the maximum level of regenerative braking power available based on a current speed of the vehicle.


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