PROBLEM TO BE SOLVED: To appropriately determine if a wheel is locked or slipped.SOLUTION: A motor ECU performs: calculating a vehicular real motion state quantity (real longitudinal force Fxreal, real roll moment Mxreal, real pitch moment Myreal, real yaw moment Mzreal) (S13); calculating four-wheel-real braking-driving force (F1real, F2real, F3real, F4real) on the basis of the real motion state quantity (S14); and calculating braking-driving force deviations (ΔF1, ΔF2, ΔF3, ΔF4) that are deviations between driver-requiring individual wheel braking-driving force (Freq1, Freq2, Freq3, Freq4) and real braking-driving force (F1real, F2real, F3real, F4real) (S15). The motor ECU determines that locking or slipping occurs at a wheel if a braking-driving force deviation larger than a determining threshold ΔFref is detected (S16-S17).

    【課題】 車輪のロック状態およびスリップ状態の判定を適切に行うこと。【解決手段】 モータECUは、車体の実運動状態量(実前後力Fxreal、実ロールモーメントMxreal、実ピッチモーメントMyreal、実ヨーモーメントMzreal)を計算し(S13)、実運動状態量に基づいて4輪の実制駆動力(F1real,F2real,F3real,F4real)を計算する(S14)。続いて、ドライバー要求各輪制駆動力(Freq1,Freq2,Freq3,Freq4)と実制駆動力(F1real,F2real,F3real,F4real)との偏差である制駆動力偏差(ΔF1,ΔF2,ΔF3,ΔF4)を計算する(S15)。モータECUは、判定閾値ΔFrefより大きな制駆動力偏差が検出された車輪に対して、ロックあるいはスリップしていると判定する(S16〜S17)。【選択図】 図3


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    Titel :

    BRAKING-DRIVING FORCE CONTROL APPARATUS


    Weitere Titelangaben:

    制駆動力制御装置


    Beteiligte:
    SUZUKI TAKASHI (Autor:in)

    Erscheinungsdatum :

    03.12.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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



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