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    • 1. 发明公开
    • MOTOR CONTROL DEVICE AND VEHICLE-STEERING DEVICE COMPRISING SAME
    • 摩托车维也纳摩托车维也纳
    • EP2296264A1
    • 2011-03-16
    • EP09773157.4
    • 2009-06-29
    • JTEKT Corporation
    • KARIATSUMARI, YujiHIGASHIRA, HidekiHATTORI, MasashiSHIMIZU, Yoshinobu
    • H02P6/18B62D5/04B62D5/30B62D6/00H02P21/00H02P27/04B62D101/00B62D113/00B62D119/00
    • A motor controller (5) controls a motor (3) including a rotor (50) and a stator (55) opposed to the rotor (50). The motor controller (5) includes an electric current driving unit (31-36, 31A, 45) which drives the motor (3) with an axis electric current value (I γ *) defined in a rotating coordinate system defined with respect to a control angle (θ C ) that is a rotation angle for control, a control angle computing unit (26) which computes a current value of the control angle (θ C ) by adding an addition angle (a) to a previous value of the control angle (θ C ) in each predetermined computing cycle, and an addition angle computing unit (23, 40, 47, 49) which computes the addition angle (a) according to a torque to be generated by the motor (3) or a response of the motor (3) to the axis electric current value (I γ *).
    • 马达控制器(5)控制包括与转子(50)相对的转子(50)和定子(55)的马达(3)。 电动机控制器(5)包括电动机驱动单元(31-36,31A,45),该电流驱动单元(31-36,31A,45)以在相对于电动机(3)定义的旋转坐标系中定义的轴电流值(I 3 *)来驱动电动机 作为用于控制的旋转角度的控制角(¸C);控制角计算单元(26),其通过将相加角(a)加到控制角的前一个值来计算控制角(¸C)的当前值 在每个预定计算周期中的角度(¸C)以及根据由马达(3)产生的转矩或响应(A)来计算相加角(a)的相加角计算单元(23,40,47,49) 的电动机(3)的轴电流值(I 3 *)。
    • 3. 发明授权
    • A POWER STEERING DEVICE
    • 动力转向装置
    • EP1016583B1
    • 2008-05-14
    • EP98941692.0
    • 1998-09-02
    • JTEKT Corporation
    • SHIMIZU, Yoshinobu
    • B62D6/00B62D5/065
    • B62D5/065
    • A power steering device that produces a steering assist force by a hydraulic pressure generated by a motor-driven pump, comprising a steering angle detecting section (11, S1, S4) which detects an absolute steering angle based on a steering mid-point and a relative steering angle, a first control section (31, S6, S8-S10) which starts the motor when an absolute steering angle detected by the steering detection section exceeds a first threshold value, and a second control section (31, S6, S11, S9, S10) which, while the steering angle detection section is not detecting an absolute steering angle, starts the motor when the change of a steering angle is larger than a second threshold value that is smaller than the first threshold value.
    • 1.一种动力转向装置,其通过由电动泵产生的液压产生转向辅助力,所述动力转向装置包括基于转向中点检测绝对转向角的转向角检测部分(11,S1,S4)和 相对转向角;第一控制部(31,S6,S8-S10),在由所述转向检测部检测出的绝对转向角超过第一阈值时使所述电动机起动;以及第二控制部(31,S6,S11, S9,S10),当转向角度检测部分未检测到绝对转向角度时,当转向角度的变化大于小于第一阈值的第二阈值时启动马达。
    • 5. 发明公开
    • MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING APPARATUS
    • EOTKTRISCHE SERVOLENKVORRICHTUNG摩托罗拉
    • EP2448106A1
    • 2012-05-02
    • EP10792063.9
    • 2010-06-21
    • JTEKT Corporation
    • UEDA, TakeshiMAEDA, ShingoSHIMIZU, YoshinobuKOMATSU, Hayato
    • H02P6/18H02P6/08H02P7/06
    • B62D5/046B62D5/0481H02P7/281H02P7/29
    • An angular velocity estimate (ωe) used in motor control of an electric power steering is obtained as follows. In a first state period during which the motor substantially stops its rotation, a resistance calculation unit (52) calculates a motor resistance value (Rc) on the basis of a detected value (Vm) of motor voltage and a detected value (Im) of motor current. An average calculation unit (53) obtains an average value (Rav) of the calculated resistance values (Rc) in a retained period. A current-resistance characteristic that associates motor current with motor resistance is held in a characteristic holding unit (55), and a characteristic updating unit (54) updates the current-resistance characteristic on the basis of the average value (Rav). An estimate calculation unit (56) calculates the angular velocity estimate (ωe) on the basis of the detected value (Vm) of motor voltage, the detected value (Im) of motor current and a motor resistance value (Rm) obtained from the current-resistance characteristic.
    • 如下获得用于电动助力转向器的电动机控制中的角速度估计(Ée)。 在电动机基本上停止转动的第一状态期间,电阻计算部52基于电动机电压的检测值(Vm)和电动机电压的检测值(Im),计算电动机电阻值(Rc) 电机电流。 平均计算单元(53)在保留期间中求出计算出的电阻值(Rc)的平均值(Rav)。 将电动机电流与电动机电阻相关联的电流电阻特性保持在特性保持单元(55)中,特性更新单元(54)基于平均值(Rav)更新电流电阻特性。 估计计算单元(56)基于电动机电压的检测值(Vm),电动机电流的检测值(Im)和从电流获得的电动机电阻值(Rm)来计算角速度估计(Ée) 电阻特性。
    • 10. 发明公开
    • ROTATION ANGLE DETECTION DEVICE
    • 旋转角度检测装置
    • EP2472232A1
    • 2012-07-04
    • EP10811780.5
    • 2010-08-20
    • JTEKT Corporation
    • UEDA, TakeshiSHIMIZU, Yoshinobu
    • G01D5/244
    • G01D5/2448
    • An output signal V1=sin θ is output from a first magnetic sensor 11 and an output signal V2=cos(θ+α) is output from a second magnetic sensor 12. An output signal correction unit 22 in a rotation angle computing device 20 corrects the output signal V2 from the second magnetic sensor 12 to an output signal V2' (=cos θ) so that a positional phase difference (90°+α) between the magnetic sensors 11 and 12 is made equal to a target phase difference of 90°. A rotation angle computing unit 23 computes the rotation angle θ of a rotor 1 based on the corrected signal V2' (=cos θ) and the other output signal V1 (=sin θ).
    • 输出信号V1 =sinθ从第一磁传感器11输出,并且从第二磁传感器12输出输出信号V2 = cos(θ+α)。旋转角计算装置20中的输出信号校正单元22校正 将来自第二磁传感器12的输出信号V2变换为输出信号V2'(=cosθ),以使磁传感器11,12之间的位置相位差(90°+α)成为90°的目标相位差 °。 旋转角计算单元23基于校正信号V2'(=cosθ)和另一个输出信号V1(=sinθ)来计算转子1的旋转角θ。