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    • 3. 发明公开
    • MODÉLISATION DU FROTTEMENT DANS UNE DIRECTION ASSISTÉE PAR UN NUAGE DE POINTS
    • V UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG UNG
    • EP3120124A1
    • 2017-01-25
    • EP15713994.0
    • 2015-03-09
    • Jtekt Europe
    • BOURDREZ, SébastienMOULAIRE, PascalRAVIER, Christophe
    • G01L5/22B62D5/04G01M17/06
    • G01M17/06B62D5/0463B62D5/0481G01L3/22G01L5/22
    • The present invention relates to a method of evaluating the frictions in an assisted steering mechanism (1), said method comprising a step (a) of acquiring a series of characterization points, in the course of which are measured, for several different values taken successively by the assistance load in the course of the operation of the steering mechanism, the corresponding values of friction, so as to empirically obtain a series of distinct characterization points (P
      1 , P
      2 , … P
      n ) which each associate a measured value of friction (F
      mes_1 , F
      mes_2 , …F
      mes_n ), with a measured value representative of the assistance load (C
      action_1 , C
      action_2 … C
      action_n ), then a step (b) of constructing an empirical friction model, in the course of which a law of correlation (L) between the constituent characterization points (P
      1 , P
      2 , … P
      n ) of the series of characterization points is established on the basis of the scatter of points formed by said series of said characterization points.
    • 一种用于评估动力转向机构中的摩擦的方法,所述方法包括获取在转向机构的操作期间由辅助力连续获取的若干不同值的一系列特征点的步骤,对应的 摩擦值,以经验获得一系列不同的表征点,每个特征点将测量的摩擦值与表示辅助力的测量值相关联,然后构建经验摩擦模型的步骤,在该步骤期间,在表征之间建立相关定律 点构成了一系列表征点,从分散图形成的一系列特征点。
    • 8. 发明公开
    • PROCÉDÉ DE DÉTECTION D'UNE INVERSION DE BRAQUAGE PAR SURVEILLANCE DU COUPLE FOURNI PAR UN MOTEUR D'ASSISTANCE DE DIRECTION ET APPLICATION DUDIT PROCÉDÉ A L'ÉVALUATION DU FROTTEMENT
    • 监测方法的动力转向电动机施加扭矩;所述程序的运用的方向转回时摩擦评估检测
    • EP3114007A1
    • 2017-01-11
    • EP15713207.7
    • 2015-02-27
    • JTEKT Europe
    • BOURDREZ, SébastienMOULAIRE, PascalRAVIER, Christophe
    • B62D5/04
    • The invention concerns a method for managing a power steering system, comprising a step (a) of detecting a reversal in the steering direction which involves acquiring a signal, referred to as a "motor torque signal" (C
      Mot ), representative of the assistance force (C
      assist ) delivered by the power steering motor, then evaluating the time derivative (
      δC
      Mot
      / δt ) of said motor torque signal, then comparing said time derivative of the motor torque signal to a predefined variation threshold (S
      pic ) in order to detect a derivative peak, greater than said variation threshold (S
      pic ), that indicates a reversal (4) in the steering direction. Said method next comprises a friction evaluation step (b) which involves evaluating the friction from the drop, during the reversal in the steering direction, in a so-called "actuation force signal" (C
      action ), which is representative of the total actuation force exerted together on the power steering by the driver and by the power steering motor.
    • (Cassist)的检测在转向方向上的反转涉及获取的信号,通过向称为“马达扭矩信号”(CMOT),代表所述辅助力的一种用于管理动力转向系统,包括以下步骤的方法(a)中 由动力转向马达传递,然后评估马达扭矩信号的时间导数(δCMot/狋),则在为了检测衍生物峰值发动机扭矩信号的时间导数进行比较,以预定义的变化阈值(穗),大于 比变化阈值(功率集成电路)那样表示在转向方向的逆转。 该方法接下来包括一个摩擦评估步骤(b)涉及在转向方向上的反向期间从下拉评估的摩擦,在一个所谓的“致动力信号”(CAction),所有这些是代表性的总驱动力的 对驾驶员的动力转向和动力转向电动机施加在一起。