A system and method are provided for controlling the operation of a vehicle equipped with a hybrid electric front end motor-generator system during vehicle platooning operations to maintain a predetermined separation distance between vehicles in the vehicle platoon. The motor-generator is operated to generate vehicle acceleration and deceleration by outputting torque to an engine crankshaft to accelerate the vehicle or generating a regenerative braking load via the crankshaft on the vehicle, in place of the vehicle's internal combustion engine and braking systems, when the required vehicle accelerations and/or decelerations needed to maintain the desired vehicle separation distance are small and within the torque output or torque load capacity of the motor-generator. If the required vehicle acceleration or deceleration is greater than the motor-generator's available capacity, the motor-generator may be operated to provide a portion of the required acceleration or deceleration, as a supplement to the acceleration provided by the engine or the deceleration provided by the braking system. The use of a front end motor-generator system in this manner increases overall vehicle energy efficiency by decreasing fuel consumption and increasing the amount of electrical energy captured for storage during vehicle platooning operations.


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    Title :

    Vehicle platooning with a hybrid electric vehicle system


    Contributors:

    Publication date :

    2018-07-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / G01S RADIO DIRECTION-FINDING , Funkpeilung / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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