Hill Hold Function for a Motor Vehicle Comprising a Plurality of Driven Axles

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Hill Hold Function for a Motor Vehicle Comprising a Plurality of Driven Axles

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FLENKER CHRISTIAN / LANG JONAS / ZECH ALEXANDER

A method is provided for operating a motor vehicle including a first driven axle, with which a first electric drive unit and a first brake mechanism are associated, and a second driven axle, with which a second electric drive unit and a second brake mechanism are associated, in a hill hold operating mode, in which the brake mechanisms are configured to brake the two axles with a predetermined brake torque distribution. According to the method, a hill hold requirement for the motor vehicle is identified and a compensation torque distribution to the two axles, provided in relation to the hill hold requirement, in accordance with the predetermined brake torque distribution is determined. The compensation torque is applied in accordance with the compensation torque distribution, and the compensation torque applied by the respectively associated drive unit is replaced with compensation torque applied by the brake mechanism of the respective axle.

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Title :

Hill Hold Function for a Motor Vehicle Comprising a Plurality of Driven Axles

Contributors:

FLENKER CHRISTIAN (author) / LANG JONAS (author) / ZECH ALEXANDER (author)

Publication date :

2023-12-21

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen