US 11,897,470 B2 · Apparatus and method for controlling a powertrain of an autonomous vehicle

Abstract

An apparatus and method are provided for controlling a powertrain of an autonomous vehicle. The apparatus includes an autonomous driving controller that controls autonomous driving of the vehicle and a transmission controller that determines whether the vehicle satisfies a pulse and glide (P&G) driving condition during the autonomous driving. The transmission controller alternately performs pulse driving and coasting in conjunction with the autonomous driving controller when the vehicle satisfies the P&G driving condition. The transmission controller causes a transmission to remain in a neutral state during the coasting.

Claims18

Dependent claims

An apparatus for controlling a powertrain of an autonomous vehicle, the apparatus comprising:

an autonomous driving controller configured to control autonomous driving of the vehicle;
and
a transmission controller configured to determine whether the vehicle satisfies a pulse and glide (P&G) driving condition during the autonomous driving and to alternately perform pulse driving and coasting in conjunction with the autonomous driving controller when the vehicle satisfies the P&G driving condition,
wherein the transmission controller is configured to
cause a transmission to remain in a neutral state during the coasting,
engage the clutch when vehicle speed falls within a predetermined range from minimum speed in a P&G driving speed range during the coasting, and
request engine torque control to the engine controller when the vehicle speed reaches the minimum speed.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application

17/372,065Filed 9 Jul 2021

Priority

KR 10-2020-015311616 Nov 2020

Published

US 2022/0153269 A119 May 2022

Granted

13 Feb 2024

Term ends

Not estimatedThe source records don’t support an estimate.

Classification22 codes

B60W 30/14
Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of…:…
B60W 30/18072
Related to particular drive situations: coasting
B60W 10/02
Conjoint control of vehicle sub-units of different type or different function: including control of driveline clutches
B60W 10/06
Including control of propulsion units: including control of combustion engines

Apparatus and method for controlling a powertrain of an autonomous vehicle

Life of this patent

Apparatus and method for controlling a powertrain of an autonomous vehicle

Life of this patent

Abstract

Claims18