Power-converter control apparatus employing pulse width modulation and adjusting duration of a zero-voltage vector
    21.
    发明授权
    Power-converter control apparatus employing pulse width modulation and adjusting duration of a zero-voltage vector 有权
    功率转换器控制装置采用脉宽调制和调整零电压矢量的持续时间

    公开(公告)号:US07426122B2

    公开(公告)日:2008-09-16

    申请号:US10530720

    申请日:2003-08-25

    IPC分类号: H02M1/14 H02M7/5387

    摘要: An apparatus for controlling a power converter including a voltage-vector control unit that determines, based on voltage instruction value for the power converter, a voltage vector output from a power converter in one control cycle of pulse width modulation control and times for outputting of the voltage vector, a voltage-vector adjusting unit that adjusts the time of outputting of the voltage vector so that time of outputting of a zero-voltage vector is larger than a fixed time or zero, and a firing-pulse generating unit that generates a signal for turning on and off a semiconductor switching element included in the power converter, based on the time of outputting of the voltage vector adjusted by the voltage-vector adjusting unit.

    摘要翻译: 一种用于控制功率转换器的装置,包括电压矢量控制单元,其基于功率转换器的电压指令值,确定在脉冲宽度调制控制的一个控制周期中从功率转换器输出的电压矢量和输出 电压矢量,电压矢量调整单元,其调整电压矢量的输出时间,使得零电压矢量的输出时间大于固定时间或零,以及产生信号的点火脉冲发生单元 用于基于由电压矢量调整单元调整的电压矢量的输出时间来接通和关断包括在功率转换器中的半导体开关元件。

    Controller for power converter
    22.
    发明申请
    Controller for power converter 有权
    电源转换器控制器

    公开(公告)号:US20060062033A1

    公开(公告)日:2006-03-23

    申请号:US10530720

    申请日:2003-08-25

    IPC分类号: H02M7/537

    摘要: An apparatus for controlling a power converter including a voltage-vector control unit that determines, based on voltage instruction value for the power converter, a voltage vector output from a power converter in one control cycle of pulse width modulation control and times for outputting of the voltage vector, a voltage-vector adjusting unit that adjusts the time of outputting of the voltage vector so that time of outputting of a zero-voltage vector is larger than a fixed time or zero, and a firing-pulse generating unit that generates a signal for turning on and off a semiconductor switching element included in the power converter, based on the time of outputting of the voltage vector adjusted by the voltage-vector adjusting unit.

    摘要翻译: 一种用于控制功率转换器的装置,包括电压矢量控制单元,其基于功率转换器的电压指令值,确定在脉冲宽度调制控制的一个控制周期中从功率转换器输出的电压矢量和输出 电压矢量,电压矢量调整单元,其调整电压矢量的输出时间,使得零电压矢量的输出时间大于固定时间或零,以及产生信号的点火脉冲发生单元 用于基于由电压矢量调整单元调整的电压矢量的输出时间来接通和关断包括在功率转换器中的半导体开关元件。

    Power supplying device for plural car elevator
    23.
    发明授权
    Power supplying device for plural car elevator 有权
    多台轿厢电梯供电装置

    公开(公告)号:US06333865B1

    公开(公告)日:2001-12-25

    申请号:US09694367

    申请日:2000-10-24

    IPC分类号: H02M75387

    CPC分类号: B66B9/00 B66B7/064

    摘要: A power supplying device for a single hoistway, multiple car elevator, preventing the cable of one car from making contact with another car, without the need to increase the size of the hoistway. This power supplying device includes a power supplying member disposed at the top of a hoistway for supplying power to each of the elevator cars; power receiving members on each of the elevator cars for receiving power from the power supplying member; and cables for conducting the power from the power supplying member to each of the power receiving members. In this power supplying device, one end of each of the cables is fixed to the side of a corresponding elevator car, and each of the cables is disposed along the side of each of the cars in a gap between an inner wall of the hoistway and the side of each of the elevator cars opposed to the inner wall.

    摘要翻译: 一种用于单个井道的电力供应装置,多个轿厢电梯,防止一辆汽车的电缆与另一辆汽车接触,而不需要增加井道的尺寸。 该供电装置包括设置在电梯顶部的用于向每个电梯轿厢供电的供电部件; 每个电梯轿厢上的用于从供电构件接收电力的电力接收构件; 以及用于将电力从电力供应构件传导到每个电力接收构件的电缆。 在该供电装置中,每个电缆的一端固定在相应的电梯轿厢的侧面,并且每个电缆沿着每个轿厢的侧面设置在井道内壁和 每个电梯轿厢的与内壁相对的一侧。

    Semiconductor device drive circuit with voltage surge suppression
    24.
    发明授权
    Semiconductor device drive circuit with voltage surge suppression 失效
    具有电压浪涌抑制的半导体器件驱动电路

    公开(公告)号:US5986484A

    公开(公告)日:1999-11-16

    申请号:US887082

    申请日:1997-07-02

    申请人: Masahiro Kimata

    发明人: Masahiro Kimata

    摘要: A semiconductor device drive circuit comprises first drive means for driving an IGBT, second drive means for driving the IGBT at lower speed than the first drive means, switch means for switching output of the first drive means and output of the second drive means for supply to a gate of the IGBT, and current decrease start point detection means for detecting a current decrease start point when a transition is made from a first period in which change in a collector current is moderate to a second period in which change in the collector current is abrupt when the IGBT is turned off. The switch means is operated so as to use the first drive means in the first period and the second drive means in the second period in response to output of the current decrease start point detection means.

    摘要翻译: 半导体器件驱动电路包括用于驱动IGBT的第一驱动装置,用于以比第一驱动装置低的速度驱动IGBT的第二驱动装置,用于切换第一驱动装置的输出和第二驱动装置的输出的开关装置, IGBT的栅极和电流降低起点检测装置,用于当从集电极电流的变化为中等到集电极电流的变化为中等的第二期间进行转变时,检测电流下降起点, IGBT关断时突然发生。 操作开关装置以响应于当前减小起始点检测装置的输出,在第一时段中使用第一驱动装置和第二驱动装置。

    Electric power steering apparatus
    25.
    发明授权
    Electric power steering apparatus 有权
    电动助力转向装置

    公开(公告)号:US08339801B2

    公开(公告)日:2012-12-25

    申请号:US12864200

    申请日:2008-01-25

    IPC分类号: H01R9/00

    摘要: Provided is an electric power steering apparatus which allows a reduction in apparatus size as well as in noise. A controller (20) includes: a metal board (22), on which a bridge circuit including a plurality of semiconductor switching elements (Q1 to Q6) for switching a current of an electric motor (1) is mounted; capacitors (31) for absorbing a ripple of the current; a control board (29), on which a microcomputer (33) for generating a drive signal for controlling the bridge circuit is mounted; and a connection member formed by insert molding high-current conductive plates (24 and 25), through which a high current flows, and signal conductive plates (26), to/from which a low-current signal is input/output, with a frame (23a) made of an insulating resin provided in proximity to an outer periphery of the metal board (22), in which the capacitors (31) are arranged in a row along an end surface of one side of the metal board (22) and are electrically connected to the high-current conductive plates (24).

    摘要翻译: 提供一种电动助力转向装置,其能够减小装置尺寸以及噪声。 控制器(20)包括:金属板(22),其上安装有用于切换电动机(1)的电流的多个半导体开关元件(Q1至Q6)的桥接电路; 用于吸收电流纹波的电容器(31) 控制板(29),其上安装有用于产生用于控制桥接电路的驱动信号的微计算机(33); 以及通过将大电流流过的大电流导电板(24,25)和输入/输出低电流信号的信号导电板(26)嵌入成型而形成的连接部件,其中, 在所述金属板(22)的外周附近设置绝缘性树脂的框架(23a),其中,所述电容器(31)沿着所述金属板(22)的一侧的端面排成一排, 并且电连接到大电流导电板(24)。

    ELECTRIC POWER STEERING APPARATUS
    26.
    发明申请
    ELECTRIC POWER STEERING APPARATUS 有权
    电动转向装置

    公开(公告)号:US20100295498A1

    公开(公告)日:2010-11-25

    申请号:US12864200

    申请日:2008-01-25

    IPC分类号: G05B11/01

    摘要: Provided is an electric power steering apparatus which allows a reduction in apparatus size as well as in noise. A controller (20) includes: a metal board (22), on which a bridge circuit including a plurality of semiconductor switching elements (Q1 to Q6) for switching a current of an electric motor (1) is mounted; capacitors (31) for absorbing a ripple of the current; a control board (29), on which a microcomputer (33) for generating a drive signal for controlling the bridge circuit is mounted; and a connection member formed by insert molding high-current conductive plates (24 and 25), through which a high current flows, and signal conductive plates (26), to/from which a low-current signal is input/output, with a frame (23a) made of an insulating resin provided in proximity to an outer periphery of the metal board (22), in which the capacitors (31) are arranged in a row along an end surface of one side of the metal board (22) and are electrically connected to the high-current conductive plates (24).

    摘要翻译: 提供一种电动助力转向装置,其能够减小装置尺寸以及噪声。 控制器(20)包括:金属板(22),其上安装有用于切换电动机(1)的电流的多个半导体开关元件(Q1至Q6)的桥接电路; 用于吸收电流纹波的电容器(31) 控制板(29),其上安装有用于产生用于控制桥接电路的驱动信号的微计算机(33); 以及通过将大电流流过的大电流导电板(24,25)和输入/输出低电流信号的信号导电板(26)嵌入成型而形成的连接部件,其中, 在所述金属板(22)的外周附近设置绝缘性树脂的框架(23a),其中,所述电容器(31)沿着所述金属板(22)的一侧的端面排成一排, 并且电连接到大电流导电板(24)。

    Electric power steering control system and control method thereof
    27.
    发明授权
    Electric power steering control system and control method thereof 有权
    电动助力转向控制系统及其控制方法

    公开(公告)号:US06639379B2

    公开(公告)日:2003-10-28

    申请号:US10051191

    申请日:2002-01-22

    IPC分类号: H02P318

    CPC分类号: B62D5/046 H02P21/22

    摘要: An electric power steering control system is arranged so as to control a drive current of a brushless motor that generates a steering assist force on the basis of a steering torque acting on a steering shaft and a vehicle speed. The system comprises a d-q axis voltage command section for computing a d- and q-axis voltage command value in response to a deviation of current between a d- and q-axis current command value and a d- and q-axis detection current value, a d-q coordinate inverse transformation section for performing the d-q coordinate inverse transformation on the basis of the d- and q-axis voltage command value and an electrical angle signal, eventually thereby computing a three-phase voltage command value, a three-phase voltage command compensation section for performing compensation with respect to the three-phase voltage command value according to a computing expression for improving the efficiency of utilizing a preset voltage, thereby computing a three-phase voltage command compensation value, and a PWM output section for generating a PWM waveform for PWM drive of the brushless motor in response to the three-phase voltage command compensation value.

    摘要翻译: 电动助力转向控制系统被布置成基于作用在转向轴上的转向扭矩和车速来控制产生转向辅助力的无刷电动机的驱动电流。 该系统包括dq轴电压指令部分,用于响应于d轴和q轴电流指令值与d轴和q轴检测电流值之间的电流偏差来计算d轴和q轴电压指令值 ,dq坐标逆变换部分,用于根据d轴和q轴电压指令值和电角度信号执行dq坐标逆变换,从而计算三相电压指令值,三相电压 指令补偿部分,用于根据用于提高利用预置电压的效率的计算表达式对三相电压指令值进行补偿,从而计算三相电压指令补偿值;以及PWM输出部分,用于产生 根据三相电压指令补偿值,无刷电机PWM驱动的PWM波形。

    Motor operation controller and insulation type bidirectional DC voltage converter
    28.
    发明授权
    Motor operation controller and insulation type bidirectional DC voltage converter 失效
    电机运行控制器和绝缘型双向直流电压转换器

    公开(公告)号:US06335871B1

    公开(公告)日:2002-01-01

    申请号:US08470122

    申请日:1995-06-06

    IPC分类号: H02J336

    CPC分类号: H02P4/00 H02M3/33584

    摘要: A motor operation controller, which can accommodate different power supply voltages by changing a minimum circuit configuration using common motors, wiring, etc., has an insulation structure between input power supply and the motors for providing the capability of bidirectional operation in a power mode and a regeneration mode. The motor operation controller comprises a converter section and an inverter section for supplying power to a motor. In the converter section, there is an insulation type bidirectional DC voltage conversion function provided by an insulation type bidirectional DC voltage conversion section 32 having an insulation type bidirectional DC voltage converter 33, a controller 35, and a smoothing circuit 34.

    摘要翻译: 通过使用普通电机,布线等改变最小电路配置可以适应不同电源电压的电动机操作控制器具有输入电源和电动机之间的绝缘结构,用于在电力模式下提供双向操作的能力, 再生模式。 电机运行控制器包括转换器部分和用于向马达供电的逆变器部分。 在转换器部分中,存在由具有绝缘型双向直流电压转换器33,控制器35和平滑电路34的绝缘型双向直流电压转换部分32提供的绝缘型双向直流电压转换功能。