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:
Jan. 01, 2019

Filed:

May. 23, 2017
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Motors Corporation, Seoul, KR;

Inventors:

Do Hee Kim, Gyeonggi-do, KR;

Jaekyu Hyun, Daegu, KR;

Kyu Hwan Jo, Seoul, KR;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60W 30/00 (2006.01); B60W 20/11 (2016.01); B60W 20/12 (2016.01); B60W 30/18 (2012.01);
U.S. Cl.
CPC ...
B60W 20/11 (2016.01); B60W 20/12 (2016.01); B60W 30/18072 (2013.01); B60W 2520/10 (2013.01); B60W 2550/142 (2013.01); B60W 2720/10 (2013.01);
Abstract

A method for controlling a coasting drive of an environmentally friendly vehicle includes: calculating a coasting velocity of the environmentally friendly vehicle at a deceleration event point based on a target coasting distance up to the deceleration event point and a gradient at the deceleration event point; calculating a control target velocity of the environmentally friendly vehicle based on a target velocity of the environmentally friendly vehicle at the deceleration event point and the calculated coasting velocity; and determining control torque to adjust a velocity of the environmentally friendly vehicle to the target velocity to be output to a powertrain of the environmentally friendly vehicle based on the calculated control target velocity.


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