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    • 4. 发明授权
    • Method for judging vehicle collision
    • 判断车辆碰撞的方法
    • US5936518A
    • 1999-08-10
    • US739754
    • 1996-10-29
    • Tsutomu FukuiKazuo Matsuda
    • Tsutomu FukuiKazuo Matsuda
    • B60R21/01G01P15/08B60Q1/00
    • B60R21/01332B60R21/0132B60R21/0133B60R21/01334G01P15/0891
    • A method for judging vehicle collision in which an output signal from an acceleration sensor carried on a vehicle, which is obtained from a time of start of judgment on collision, is outputted through interval windows each having a predetermined time width of a plurality of sampling cycles and provided as those successively delayed by one sampling cycle respectively. A waveform of the output signal is Hadamard-transformed and decomposed into frequency components for each of the interval windows by using an Hadamard-transforming unit. A threshold value set for a predetermined frequency component and outputted from a threshold-outputting unit is compared with a level value of the predetermined frequency component selected from the frequency components obtained by the decomposition in the Hadamard-transforming unit, by using a collision-judging unit. Occurrence of collision of the vehicle is judged on the basis of a result of the comparison.
    • 一种用于判断车辆碰撞的方法,其中从碰撞判断开始时获得的来自车辆上的加速度传感器的输出信号通过间隔窗口输出,每个间隔窗口具有多个采样周期的预定时间宽度 并分别提供为相继延迟一个采样周期。 通过使用Hadamard变换单元,输出信号的波形被Hadamard变换并分解为每个间隔窗口的频率分量。 将从阈值输出单元输出的预定频率分量设定的阈值与通过在Hadamard变换单元中通过分解获得的频率分量中选择的预定频率分量的电平值进行比较, 单元。 基于比较的结果来判断车辆的碰撞的发生。
    • 10. 发明授权
    • Static reactive power compensating equipment
    • 静态无功补偿设备
    • US5672956A
    • 1997-09-30
    • US507901
    • 1995-08-03
    • Tsutomu FukuiTokihide Niu
    • Tsutomu FukuiTokihide Niu
    • G05F1/70H02J3/18
    • H02J3/1864Y02E40/12
    • A static reactive power compensating equipment includes a circuit for preventing harmonic currents generated by adjusting lag compensation current from phase control from flowing out of the equipment. A first reactor and a controller are connected to a switching circuit. A second reactor is connected between an output terminal and a connection node. The first reactor is also connected to the connection node such that the first and second reactors are series connected. A resonant circuit including a third reactor connected in series with a capacitor is connected to the connection node such that the resonant circuit is series connected with the second reactor and parallel connected to the first reactor. The resonant circuit is constructed to resonate at a predetermined frequency which substantially absorbs harmonic currents flowing from the static reactive power compensating equipment.
    • 静态无功补偿装置包括一个电路,用于通过调节来自相位控制的滞后补偿电流而产生的谐波电流流出设备。 第一电抗器和控制器连接到开关电路。 第二反应器连接在输出端子和连接节点之间。 第一反应器也连接到连接节点,使得第一和第二反应器串联连接。 包括与电容器串联连接的第三反应器的谐振电路连接到连接节点,使得谐振电路与第二反应器串联连接并并联连接到第一反应器。 谐振电路被构造成以预定频率谐振,其基本上吸收从静态无功功率补偿设备流出的谐波电流。