Control method of hybrid vehicle

US9821797B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9821797-B2
Application numberUS-201615062839-A
CountryUS
Kind codeB2
Filing dateMar 7, 2016
Priority dateOct 13, 2015
Publication dateNov 21, 2017
Grant dateNov 21, 2017

How to read this patent

A practical reading order for non-experts. Skip the full description unless you need deep technical detail.

  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

    Who owns or filed the patent and who is credited as inventor.

  4. Key dates

    Filing, priority, publication, and grant dates set the timeline.

  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A control method of a hybrid vehicle includes: confirming whether or not the driving mode of the vehicle is an EV mode when a controller senses shift of the position of a shift lever from the position R to the position D or from the position D to the position R; applying reverse-directional motor torque to a motor through the controller so that a motor speed is synchronized with the speed of an engagement-side clutch, as a result of confirmation of the driving mode, if the driving mode of the vehicle is the EV mode; and executing normal driving of the vehicle by applying regular-directional motor torque to the motor through the controller after synchronization of the motor speed with the engagement-side clutch speed.

First claim

Opening claim text (preview).

What is claimed is: 1. A control method of a hybrid vehicle, comprising: confirming whether or not a driving mode of a vehicle is an EV mode when a controller senses shift of a position of a shift lever from a position R to a position D or from the position D to the position R; applying a reverse-directional motor torque to a motor through the controller so that a motor speed is synchronized with a speed of an engagement-side clutch when the driving mode of the vehicle is the EV mode; and executing normal driving of the vehicle by applying a regular-directional motor torque to the motor through the controller after synchronization of the motor speed with the engagement-side clutch speed. 2. The control method according to claim 1 , wherein, when the motor speed is synchronized with the speed of the engagement-side clutch, the controller executes regenerative braking of the motor until the motor speed reaches 0 RPM, and then executes normal driving of the vehicle. 3. The control method according to claim 1 , further comprising, executing take-up control by driving the motor at a predetermined torque through the controller so that the motor speed and the engagement-side clutch speed are synchronized when the driving mode of the vehicle is not the EV mode. 4. The control method according to claim 3 , wherein, in the executing take-up control, the controller controls the motor torque to be 0 Nm and then drives the motor at predetermined torque.

Assignees

Inventors

Classifications

  • Torque · CPC title

  • B60W20/14Primary

    in conjunction with braking regeneration · CPC title

  • Direction of travel · CPC title

  • Regenerative braking · CPC title

  • Improvement of gear change, e.g. synchronisation or smoothing gear shift · CPC title

Patent family

Related publications grouped by family.

External sources

Frequently asked questions

Answers are generated from the same data shown on this page.

What does patent US9821797B2 cover?
A control method of a hybrid vehicle includes: confirming whether or not the driving mode of the vehicle is an EV mode when a controller senses shift of the position of a shift lever from the position R to the position D or from the position D to the position R; applying reverse-directional motor torque to a motor through the controller so that a motor speed is synchronized with the speed of an…
Who is the assignee on this patent?
Hyundai Motor Co Ltd
What technology area does this patent fall under?
Primary CPC classification B60W20/14. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Nov 21 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).