PROBLEM TO BE SOLVED: To provide a control device of a drive force transmission device which can properly determine a road face state even if a four-wheel drive vehicle is in a stationary traveling state, and a road face state determination device.SOLUTION: A control device 10 mounted to a four-wheel drive vehicle 1 having main drive wheels to which drive forces of an engine 11 are constantly transmitted, and auxiliary drive wheels to which the drive forces are transmitted via a drive force transmission device 2 comprises: drive force control means 112 for calculating command torque indicating the drive forces which should be transmitted to the auxiliary drive wheels via the drive force transmission device 2 according to a traveling state of the four-wheel drive vehicle 1 and a road face state, and controlling the drive force transmission device 2 on the basis of the command torque; and road face state determination means 111 for determining that the road face state is a high-μ state when a vehicle speed is not lower than a prescribed value, and a continuation time of a non-slip state that the slip rates of the main drive wheels are lower than a prescribed value continues for a prescribed time or longer.SELECTED DRAWING: Figure 4

    【課題】四輪駆動車が定常走行状態であっても路面状態を適切に判定することができる駆動力伝達装置の制御装置、及び路面状態判定装置を提供する。【解決手段】エンジン11の駆動力が常に伝達される主駆動輪、及び駆動力伝達装置2を介して駆動力が伝達される補助駆動輪を有する四輪駆動車1に搭載された制御装置10は、四輪駆動車1の走行状態及び路面状態に応じて駆動力伝達装置2を介して補助駆動輪に伝達すべき駆動力を示す指令トルクを演算し、この指令トルクに基づいて駆動力伝達装置2を制御する駆動力制御手段112と、車速が所定値以上でかつ主駆動輪のスリップ率が所定値未満である非スリップ状態の継続時間が所定時間以上となったとき、路面状態が高μ状態であると判定する路面状態判定手段112とを備える。【選択図】図4


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    Titel :

    CONTROL DEVICE OF DRIVE FORCE TRANSMISSION DEVICE AND ROAD FACE STATE DETERMINATION DEVICE


    Weitere Titelangaben:

    駆動力伝達装置の制御装置及び路面状態判定装置


    Beteiligte:
    KONDO HIROKAZU (Autor:in) / KATO TOMOAKI (Autor:in) / NAGAYAMA TAKESHI (Autor:in) / KAKITA AKIYOSHI (Autor:in)

    Erscheinungsdatum :

    2018-04-12


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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