PROBLEM TO BE SOLVED: To stabilize the behavior of a vehicle while preventing extraneous torque control in a case where the torque of either one of two motors reduces against an instruction.SOLUTION: A drive force control apparatus 1 of an electric vehicle 10 has at least two motors 11L, 11R incorporated and is capable of providing left and right wheels 14L, 14R with a difference in drive force using torque of the two motors 11L, 11R. The control apparatus includes: a first computation part 3 for computing a target yaw rate Yrq that enables the electric vehicle 10 to track a targeted route on the basis of vehicular information including a vehicular speed and a steering angle in a case where the torque of either one of the two motors 11L, 11R reduces against an instruction; a determination part 4 for determining whether a yaw rate YR of the electric vehicle 10 is within a range R produced by adding to or subtracting a given permissible value α from the target yaw rate Yrq; and a control part 9 for performing control to increase or decrease the torque of at least the other of the two motors 11L, 11R in a case where the yaw rate YR falls outside the range R.SELECTED DRAWING: Figure 1

    【課題】二つのモータの何れか一方が指令に反してトルクダウンした場合に、不要なトルク制御を回避しつつ車両の挙動を安定させる。【解決手段】少なくとも二つの電動機11L,11Rを搭載し、二つの電動機11L,11Rのトルクを利用して左右輪14L,14Rに駆動力差を付与可能な電動車両10の駆動力制御装置1である。二つの電動機11L,11Rの何れか一方のトルクが指令に反して低下した場合に、車速及び操舵角を含む車両情報に基づいて電動車両10が目標とする経路に追従しうる目標ヨーレートYrqを算出する第一演算部3を設ける。また、電動車両10のヨーレートYRが、目標ヨーレートYrqに所定の許容値αを加減算した範囲R内であるか否かを判定する判定部4を設ける。さらに、ヨーレートYRが範囲R内でない場合に、二つの電動機11L,11Rの少なくとも他方のトルクを増減させる制御を行う制御部9を設ける。【選択図】図1


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    Titel :

    ELECTRIC-VEHICULAR DRIVE FORCE CONTROL APPARATUS


    Weitere Titelangaben:

    電動車両の駆動力制御装置


    Beteiligte:
    KOGA RYOSUKE (Autor:in) / FURUICHI TETSUYA (Autor:in) / KAWAI KAZUNORI (Autor:in) / SATO KOJI (Autor:in) / OKOSHI TOMOMI (Autor:in)

    Erscheinungsdatum :

    05.01.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



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