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    • 21. 发明申请
    • VEHICLE STEERING APPARATUS
    • 车辆转向装置
    • US20090064815A1
    • 2009-03-12
    • US12205238
    • 2008-09-05
    • Shingo MAEDARyouhei HAYAMASadahiro KAWAHARAShiro NAKANOKou SHIBA
    • Shingo MAEDARyouhei HAYAMASadahiro KAWAHARAShiro NAKANOKou SHIBA
    • B62D1/181B62D1/18
    • B62D1/04B62D1/06B62D1/181B62D1/183
    • A vehicle steering apparatus includes a steering member for rotational operation, and a support mechanism that supports the steering member so as to be movable between a housing position where the steering member is housed in a fixed frame of an instrument panel and a projection position where the steering member projects to an outside of the fixed frame. The steering member includes a main body supported by the support mechanism, a pair of grip sections which are movable between the housing position and the projection position together with the main body, and which are supported so as to be movable between a nonoperating position and an operating position by the main body, and a grip section drive actuator which is supported by the main body, and drives the pair of grip sections to the nonoperating position and the operating position.
    • 车辆转向装置包括用于旋转操作的转向构件和支撑机构,该支撑机构支撑转向构件,以便能够在操纵构件容纳在仪表板的固定框架中的壳体位置和可旋转运动的突出位置之间移动 转向构件突出到固定框架的外侧。 所述转向构件包括由所述支撑机构支撑的主体,一对夹持部,其能够与所述主体一起在所述壳体位置和所述突出位置之间移动,并且被支撑以能够在非操作位置和 主体的操作位置,以及由主体支撑的把手部驱动致动器,并且将一对把手部驱动到非操作位置和操作位置。
    • 26. 发明授权
    • Rotation angle detection device
    • 旋转角度检测装置
    • US08836326B2
    • 2014-09-16
    • US13408233
    • 2012-02-29
    • Shingo MaedaTakeshi Ueda
    • Shingo MaedaTakeshi Ueda
    • G01D5/245G01D5/14G01D5/244
    • G01D5/24485G01D5/145G01D5/2455H02K29/08
    • When the zero-crossing of one of the output signals of magnetic sensors has been detected, a rotation angle computing device identifies a magnetic pole sensed by the first magnetic sensor based on the other two output signals. Subsequently, the rotation angle computing device identifies the magnetic pole sensed by the second magnetic sensor and the magnetic pole sensed by the third magnetic sensor based on the magnetic pole sensed by the first magnetic sensor. After that, the rotation angle computing device corrects the amplitude of the output signal of each magnetic sensor based on the identified magnetic poles respectively sensed by the magnetic sensors. Then, the rotation angle computing device computes the electric angle θe of the rotor based on the corrected output signals.
    • 当已经检测到磁传感器的输出信号中的一个的过零点时,旋转角计算装置基于其它两个输出信号识别由第一磁传感器感测的磁极。 随后,旋转角计算装置基于由第一磁传感器检测到的磁极来识别由第二磁传感器感测的磁极和由第三磁传感器感测的磁极。 之后,旋转角计算装置基于由磁传感器分别感测到的所识别的磁极来校正每个磁传感器的输出信号的振幅。 然后,旋转角度计算装置基于校正的输出信号计算转子的电角度θ。
    • 29. 发明申请
    • MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING APPARATUS
    • 电机控制装置和电动转向装置
    • US20120080259A1
    • 2012-04-05
    • US13320839
    • 2010-06-21
    • Takeshi UedaShingo MaedaYoshinobu ShimizuHayato Komatsu
    • Takeshi UedaShingo MaedaYoshinobu ShimizuHayato Komatsu
    • B62D5/04H02P23/00B62D6/00
    • 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 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 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, and a characteristic updating unit updates the current-resistance characteristic on the basis of the average value (Rav). An estimate calculation unit 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(ωe)。 在电动机基本上停止其旋转的第一状态期间,电阻计算单元基于电动机电压的检测值(Vm)和电动机电流的检测值(Im)来计算电动机电阻值(Rc)。 平均计算单元获得计算出的电阻值(Rc)在保留期间内的平均值(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中,特性更新单元基于平均值(Rav)来更新电流电阻特性。 估计计算单元基于电动机电压的检测值(Vm),电动机电流的检测值(Im)和从电流电阻特性得到的电动机电阻值(Rm)来计算角速度估计(ωe) 。