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(19)

(11)

2 688 567

(13)

(51)

IPC

B60W10/18(2012-01-01)

B60T17/22(2006-01-01)

B60L3/00(2006-01-01)

B60W30/14(2006-01-01)

(21) (22)

Application

2017112330, 2017-04-11

(24)

Start date

2017-04-11

(22)

Actual filing date

2017-04-11

(45)

Published

2019-05-21

(72)

Inventor

Fraser, John G.Lewandowski, Andrew DenisRhein, Lawrence RobertMatthews, Jason ChristopherMateyk, Jeremy

(73)

Holder

Ford Global Technologies, Llc

POWER UNIT CONTROL BASED ON REDUCTION OF BRAKING EFFICIENCY AND BRAKING ABILITY Russian patent published in 2019 - IPC B60W10/18 B60T17/22 B60L3/00 B60W30/14

Abstract RU 2688567 C2

FIELD: machine building.

SUBSTANCE: invention relates to methods and systems for controlling power unit of a vehicle. Cruise control system for a vehicle comprises a controller configured to maintain vehicle speed about a predetermined value and reduce a predetermined value in response to a drop in predicted braking ability below a threshold based on predicted deceleration of braking efficiency and performing gear shifting of vehicle to lower gear to increase negative torque in order to reduce deceleration efficiency. In the vehicle power unit control method, reducing by the controller the vehicle speed preset value, vehicle friction brakes are used to reduce vehicle speed to preset value and gearbox is shifted to lower gear.

EFFECT: reduced braking efficiency reduction.

20 cl, 5 dwg

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RU 2 688 567 C2

Authors

Fraser, John G.

Lewandowski, Andrew Denis

Rhein, Lawrence Robert

Matthews, Jason Christopher

Mateyk, Jeremy

Dates

2019-05-21—Published

2017-04-11—Filed