PROBLEM TO BE SOLVED: To provide a slip determination device for a vehicle capable of improving determination accuracy by avoiding erroneous determination of an excess slip of wheels at switching time of a driving/braking state of the wheels by an electric motor.SOLUTION: In a slip determination device, when first and second motor rotation numbers NMOT1, NMOT2, which are rotation number of rear motors 41, 61 for braking/driving rear wheels WRL, WRR, reach a reference rotation number NMREF preset based on wheel rotation numbers NWFL, NWFR, NWRL, NWRR, it is determined that an excess slip has occurred to the rear wheels WRL, WRR (Fig. 9). When a sign of a target torque TROBJ of the rear motors 41, 61 is reversed, the reference rotation number NMREF is changed to a value in which the first and second motor rotation numbers NMOT1, NMOT2 become less likely to reach (Steps 28, 29 in Fig. 8), or determination of the excess slip is prohibited (Step 51 in Fig. 12).

    【課題】電動機による車輪の駆動/制動状態の切替時における車輪の超過スリップの誤判定を回避し、判定精度を向上させることができる車両のスリップ判定装置を提供する。【解決手段】本発明によるスリップ判定装置では、後輪WRL、WRRを制駆動するリヤモータ41、61の回転数である第1及び第2モータ回転数NMOT1、NMOT2が、車輪回転数NWFL、NWFR、NWRL、NWRRに基づいて設定された基準回転数NMREFに達したときに、後輪WRL、WRRに超過スリップが発生したと判定する(図9)。リヤモータ41、61の目標トルクTROBJの符号が反転するときには、基準回転数NMREFを、第1及び第2モータ回転数NMOT1、NMOT2がより達しにくくなる値に変更する(図8のステップ28、29)か、又は超過スリップの判定を禁止する(図12のステップ51)。【選択図】図10


    Access

    Download


    Export, share and cite



    Title :

    SLIP DETERMINATION DEVICE FOR VEHICLE


    Additional title:

    車両のスリップ判定装置


    Contributors:

    Publication date :

    2015-06-25


    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 / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



    VEHICLE SLIP DETERMINATION DEVICE

    SAKAGUCHI YUSUKE / ANDO SATOSHI / NOGUCHI MASATOSHI | European Patent Office | 2019

    Free access

    VEHICLE SLIP DETERMINATION DEVICE

    SAKAGUCHI YUSUKE / ANDO SATOSHI / NOGUCHI MASATOSHI | European Patent Office | 2016

    Free access

    Slip determination system for vehicle

    SAKAGUCHI YUSUKE / ANDO SATOSHI / NOGUCHI MASATOSHI | European Patent Office | 2018

    Free access

    SLIP DETERMINATION SYSTEM FOR VEHICLE

    European Patent Office | 2019

    Free access

    SLIP DETERMINATION SYSTEM FOR VEHICLE

    SAKAGUCHI YUSUKE / ANDO SATOSHI / NOGUCHI MASATOSHI | European Patent Office | 2016

    Free access