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    • 2. 发明申请
    • ROTATIONAL ANGLE DETECTING DEVICE
    • 旋转角度检测装置
    • US20110238367A1
    • 2011-09-29
    • US13072223
    • 2011-03-25
    • Koichiro MATSUMOTOYoshiyuki KONO
    • Koichiro MATSUMOTOYoshiyuki KONO
    • G06F19/00
    • G01D5/145G01D5/24495
    • A rotational angle detecting device includes a magnetic member, a magnetic sensor and a processing unit. The magnetic sensor includes a sensor element disposed to rotate relative to the magnetic member in accordance with a rotation of a rotating object and outputting signals according to a change in a magnetic field caused as rotating relative to the magnetic member. The processing unit is capable of processing output values of the sensor element. The processing unit acquires the output value at every angle of rotation of the rotating object, estimates a waveform for one cycle of the signals as an estimation waveform from the acquired output values, and normalizes an amplitude of the estimation waveform. Further, the processing unit calculates a rotational angle of the rotating object by a trigonometric function operation based on the output value and the normalized amplitude.
    • 旋转角度检测装置包括磁性构件,磁性传感器和处理单元。 磁传感器包括传感器元件,其被设置为根据旋转物体的旋转相对于磁性构件旋转,并且根据相对于磁性构件旋转引起的磁场的变化输出信号。 处理单元能够处理传感器元件的输出值。 处理单元在旋转对象的每个旋转角度获取输出值,从所获取的输出值中估计作为估计波形的信号的一个周期的波形,并且对估计波形的幅度进行归一化。 此外,处理单元基于输出值和归一化幅度,通过三角函数运算来计算旋转物体的旋转角度。
    • 4. 发明申请
    • REACTIVE POWER COMPENSATOR
    • 无功补偿器
    • US20120139506A1
    • 2012-06-07
    • US13167926
    • 2011-06-24
    • Akihiro MATSUDAYoshiyuki KONOMasatoshi TAKEDA
    • Akihiro MATSUDAYoshiyuki KONOMasatoshi TAKEDA
    • G05F5/00
    • H02J3/1828H02J3/1878Y02E40/12Y10T307/669
    • A first SVC is connected to a first bus. A first SVC control unit controls the first SVC. A first fluctuation-component-voltage generating unit includes a voltage reference circuit that outputs a voltage reference value. A second SVC is connected to a second bus. A second SVC control unit controls the second SVC. A second fluctuation-component-voltage generating unit includes a first-order-lag control block with limiter that generates a comparative voltage that follows a bus voltage of the second bus with a predetermined time lag characteristic and is limited within a predetermined range. An impedance value XS1 of slope reactance of the first SVC is set smaller than impedance value XS2 of slope reactance of the second SVC.
    • 第一个SVC连接到第一个总线。 第一SVC控制单元控制第一SVC。 第一波动分量电压产生单元包括输出电压基准值的电压基准电路。 第二SVC连接到第二总线。 第二SVC控制单元控制第二SVC。 第二波动分量电压产生单元包括具有限制器的一阶滞后控制块,其产生具有预定时间滞后特性并遵循第二总线的总线电压的比较电压并被限制在预定范围内。 将第一SVC的斜率电抗的阻抗值XS1设定为小于第二SVC的斜率电抗的阻抗值XS2。