To provide a vehicle traction control device capable of more properly securing drive force of drive wheels, even when drive wheels slip on a road surface on which right and left drive wheels have a different road surface friction coefficient respectively.SOLUTION: A traction control device 50 comprises: a motor control part 520 for controlling a motor generator 20; and a differential device for restricting differential rotation of right and left drive wheels. The motor control part 520 controls output torque of an electric motor by executing rotation speed feedback control for causing rotation speed of the electric motor to follow target rotation speed, when detecting slip of the drive wheels. The motor control part 520 sets the target rotation speed to a greater value, when it is determined that a vehicle travel path is a stride path when it is determined that the drive wheels slip, relative to when it is determined that the vehicle travel path is not the stride path.SELECTED DRAWING: Figure 2

    【課題】左右の駆動輪で路面摩擦係数が異なる路面において駆動輪がスリップした場合であっても、より的確に駆動輪の駆動力を確保することのできる車両のトラクション制御装置を提供する。【解決手段】トラクション制御装置50は、モータジェネレータ20を制御するモータ制御部520と、右駆動輪及び左駆動輪の差動回転を制限する差動装置と、を備える。モータ制御部520は、駆動輪がスリップしていることを検知した際に、電動モータの回転速度を目標回転速度に追従させる回転速度フィードバック制御の実行により電動モータの出力トルクを制御する。モータ制御部520は、駆動輪がスリップしていることを検知した際に車両の走行路がまたぎ路であると判定した場合には、車両の走行路がまたぎ路でないと判定した場合よりも、目標回転速度をより大きい値に設定する。【選択図】図2


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    Title :

    VEHICLE TRACTION CONTROL DEVICE


    Additional title:

    車両のトラクション制御装置


    Contributors:

    Publication date :

    2021-10-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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