PROBLEM TO BE SOLVED: To increase slip prevention performance while holding control stability and to achieve stable traveling while generating necessary drive force in accordance with road conditions.SOLUTION: A parameter calculation unit 390 calculates an adaptive gain coefficient k with regard to a travel road condition on the basis of a friction coefficient μ and slip rate λ sent from an acquisition unit 310, and a coefficient b within a storage unit 380. Subsequently, the parameter calculation unit 390 calculates an adaptive time constant τ, in which stability of traction control can be achieved, on the basis of the gain coefficient k and a coefficient a within the storage unit 380. Then, the calculated gain coefficient k is set in a gain multiplication unit 370, and the calculated time constant τ is set in a filter unit 360. Model-following control having an adhesion model in which slip does not occur in a drive wheel as a normative model is carried out in accordance with settings.SELECTED DRAWING: Figure 11

    【課題】制御安定性を保ちつつスリップ抑制性能を高めるとともに、路面状態に応じて、必要な駆動力を確保しつつ安定な走行を実現する。【解決手段】パラメータ算出部390が、取得部310から送られた摩擦係数μ及びスリップ率λ、並びに、記憶部380内の係数bに基づいて、走行路面状態に対して適応的な利得係数kを算出する。引き続き、パラメータ算出部390が、当該利得係数k及び記憶部380内の係数aに基づいて、トラクション制御の安定性を確保できる適応的な時定数τを算出する。そして、利得乗算部370において、算出された利得係数kが設定されるとともに、フィルタ部360において、算出された時定数τが設定される。そして、当該設定に従って、駆動輪にスリップが生じない粘着モデルを規範モデルとするモデル追従制御が実行される。【選択図】 図11


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    Titel :

    TRACTION CONTROL DEVICE AND TRACTION CONTROL METHOD


    Weitere Titelangaben:

    トラクション制御装置及びトラクション制御方法


    Beteiligte:
    KATO MASAHIRO (Autor:in) / YIN DEJUN (Autor:in)

    Erscheinungsdatum :

    2016-09-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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 / 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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