PROBLEM TO BE SOLVED: To reduce size of a rotary electric machine and reduce drug loss, in a four-wheel drive vehicle whose rear wheels or driven wheels are driven by the rotary electric machine.SOLUTION: The four-wheel drive vehicle includes: a variable field system type MG (Motor Generator) 3 which is coupled to rear wheels 166a, 166b or driven wheels, and in which a flux linkage amount of a stator is variable. A hybrid ECU 170 determines whether or not the rear wheels 166a, 166b or driven wheels have to be driven, according to a running state. A motor ECU 140 controls the flux linkage amount of the MG 3 for reducing drug loss when drive of the rear wheels 166a, 166b or driven wheels do not have to be driven. The motor ECU 140 maximizes the flux linkage amount of the MG 3 when drive of the rear wheels 166a, 166b or driven wheels have to be driven.

    【課題】後輪ないし従駆動輪を回転電機で駆動する四輪駆動車両において、回転電機を小型化し、かつ引きずり損を低減する。【解決手段】後輪166a、166bないし従駆動輪に連結された、ステータの鎖交磁束量が可変な可変界磁型のMG3を備える。ハイブリッドECU170は、走行状態に応じて後輪166a、166bないし従駆動輪の駆動の要否を判定する。モータECU140は、後輪166a、166bないし従駆動輪の駆動が必要でない場合に、MG3の鎖交磁束量が少なくなるように制御して引きずり損を低減する。モータECU140は、後輪166a、166bないし従駆動輪の駆動が必要である場合にMG3の鎖交磁束量を最大化する。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    FOUR-WHEEL DRIVE VEHICLE HAVING ROTARY ELECTRIC MACHINE


    Additional title:

    回転電機を備える四輪駆動車両


    Contributors:

    Publication date :

    2015-10-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES



    ROTARY ELECTRIC MACHINE AND WHEEL DRIVE DEVICE

    TSUCHIYA HIROYUKI / TAKAHASHI YUKI | European Patent Office | 2020

    Free access

    Four-wheel-drive hybrid electric vehicle

    HUANG FENGQIN / YAN JUN / CHEN GEN et al. | European Patent Office | 2024

    Free access

    Electric four-wheel-drive farm vehicle

    XU JINGYU / LIU XIONG / BAO LONG et al. | European Patent Office | 2024

    Free access

    ROTARY ELECTRIC MACHINE, ELECTRIC WHEEL, AND VEHICLE

    TAKAHASHI AKIFUMI / SUDO TETSUYA / ITO MAKOTO | European Patent Office | 2022

    Free access

    ROTARY ELECTRIC MACHINE, ELECTRIC WHEEL, AND VEHICLE

    TAKAHASHI AKIFUMI / SUDO TETSUYA / ITO MAKOTO | European Patent Office | 2022

    Free access