Transmission leak signal canceling apparatus for rfid system, and rfid system
    181.
    发明专利
    Transmission leak signal canceling apparatus for rfid system, and rfid system 有权
    传输泄漏信号取消RFID系统和RFID系统的设备

    公开(公告)号:JP2011244457A

    公开(公告)日:2011-12-01

    申请号:JP2011111009

    申请日:2011-05-18

    Inventor: KIM YONG-CHAN

    CPC classification number: H04B1/1036 H04B1/123 H04B1/525

    Abstract: PROBLEM TO BE SOLVED: To provide a transmission leak signal canceling apparatus for an RFID system in which a function for reading an RFID tag and an adjustment function of a leak signal canceling section for canceling a transmission leak signal are implemented independently of each other.SOLUTION: A transmission leak signal canceling apparatus for an RFID system includes a reader control section for sending a transmitting signal to an RFID tag, receiving a receiving signal transmitted from the RFID tag and reading tag information. The transmission leak signal canceling apparatus further includes: a leak signal canceling section which performs adjustment work for receiving a part of the transmitting signal and the receiving signal, generating a cancellation signal depending on an adjustment value for canceling the part of the transmitting signal and the transmission leak signal, and canceling the transmission leak signal contained in the receiving signal; and a controller section for continuously determining whether an RF environment in which the RFID tag is mounted is changed based on a strength of the receiving signal, and controlling operation of the leak signal canceling section in accordance with the change of the RF environment.

    Abstract translation: 解决问题的方案为了提供一种用于RFID系统的传输泄漏信号消除装置,其中读取RFID标签的功能和用于消除传输泄漏信号的泄漏信号消除部分的调整功能独立于每个 其他。 解决方案:用于RFID系统的传输泄漏信号消除装置包括:读取器控制部分,用于向RFID标签发送发送信号,接收从RFID标签发送的接收信号和读取标签信息。 发送泄漏信号消除装置还包括:泄漏信号消除部,执行用于接收发送信号的一部分和接收信号的调整工作,根据用于取消发送信号的一部分的调整值生成消除信号, 传输泄漏信号,并且消除接收信号中包含的传输泄漏信号; 以及控制器部分,用于根据接收信号的强度,连续地确定其中安装有RFID标签的RF环境是否改变,以及根据RF环境的改变来控制泄漏信号消除部分的操作。 版权所有(C)2012,JPO&INPIT

    Output current distortion compensation device of inverter
    182.
    发明专利
    Output current distortion compensation device of inverter 有权
    逆变器的输出电流失真补偿装置

    公开(公告)号:JP2011239667A

    公开(公告)日:2011-11-24

    申请号:JP2011098136

    申请日:2011-04-26

    Inventor: KIM KWANG YEON

    CPC classification number: H02M1/12 H02M7/5387

    Abstract: PROBLEM TO BE SOLVED: To prevent a hunting phenomenon in which a current swings greatly in an motor drive system.SOLUTION: The present invention is an output current distortion compensation device of an inverter including an inverter control section which generates a PWM signal for controlling a PWM voltage generating section. The inverter control section includes a first dead time compensation voltage generation section which generates a compensation voltage in accordance with an output current polarity of each phase of the inverter; and a second dead time compensation voltage generation section which generates a compensation voltage in accordance with an output current waveform of each phase of said inverter. A first dead time compensation voltage output from said first dead time compensation voltage generation section and a second dead time compensation voltage output from said second dead time compensation voltage generation section are added, and thereby, the final dead time compensation voltage is generated.

    Abstract translation: 要解决的问题:为了防止在电动机驱动系统中电流摆动很大的振荡现象。 解决方案:本发明是一种逆变器的输出电流失真补偿装置,其包括产生用于控制PWM电压产生部分的PWM信号的逆变器控制部分。 逆变器控制部包括:第一死区补偿电压生成部,其根据逆变器的各相的输出电流极性生成补偿电压; 以及第二死区补偿电压生成部,其根据所述逆变器的各相的输出电流波形生成补偿电压。 从所述第一死区时间补偿电压产生部分输出的第一死区补偿电压和从所述第二死区时间补偿电压产生部分输出的第二死区补偿电压相加,从而产生最终死区补偿电压。 版权所有(C)2012,JPO&INPIT

    Hybrid fault current limiter
    183.
    发明专利
    Hybrid fault current limiter 有权
    混合故障电流限制

    公开(公告)号:JP2011233517A

    公开(公告)日:2011-11-17

    申请号:JP2011084771

    申请日:2011-04-06

    CPC classification number: H02H9/02 H01H9/547 H01H9/548

    Abstract: PROBLEM TO BE SOLVED: To provide a hybrid fault current limiter achieving a reduced manufacturing cost.SOLUTION: The hybrid fault current limiter includes: a switching unit opening a driving contact arranged on a track and transmitting a trip signal if a fault current is flowed at an electric power system; a semiconductor switching unit connected in series with the switching unit and configured to be turned off to limit the inflow of the fault current when the trip signal is received; and a breaking unit connected in parallel to the switching unit and the semiconductor switching unit and configured to cutoff the fault current detoured from the switching unit and the semiconductor switching unit. The hybrid fault current limiter can detect failure more rapidly to limit a fault current by applying an algorithm sensing the occurrence of the fault current and an algorithm limiting the fault current simultaneously.

    Abstract translation: 要解决的问题:提供一种混合故障限流器,其实现降低的制造成本。 混合故障电流限制器包括:开关单元,其打开布置在轨道上的驱动接点,并且如果故障电流在电力系统处流动则发送跳闸信号; 半导体开关单元,其与所述开关单元串联连接,并且被配置为当接收到所述跳闸信号时被关闭以限制所述故障电流的流入; 以及与所述开关单元和所述半导体开关单元并联连接的断路单元,其被配置为截断从所述开关单元和所述半导体开关单元迂回的故障电流。 混合故障限流器可以通过应用感测故障电流发生的算法和同时限制故障电流的算法,更快地检测故障,限制故障电流。 版权所有(C)2012,JPO&INPIT

    Mode switching device for pid control unit
    184.
    发明专利
    Mode switching device for pid control unit 审中-公开
    PID控制单元模式切换装置

    公开(公告)号:JP2011222018A

    公开(公告)日:2011-11-04

    申请号:JP2011084660

    申请日:2011-04-06

    Inventor: JEONG TAE-SOO

    CPC classification number: G05B19/18 G05B2219/42033 G05B2219/42126

    Abstract: PROBLEM TO BE SOLVED: To provide a mode switching device of a PID control unit for, when switching an operation mode of the PID control unit to a manual mode and an automatic mode, stably switching the mode by removing any impact generated due to the switching of the mode.SOLUTION: The mode switching device of a PID control unit comprises: a PID arithmetic part for performing the PID arithmetic operation of an automatic mode and a manual mode according to a manual mode switching signal and an automatic mode switching signal, and for generating a driving signal; a manual mode buffering part for, when the manual mode switching signal is generated, processing the driving signal generated by the PID arithmetic part, and for outputting the driving signal to a load driving machine; and a speed difference integration signal calculation part for, when an automatic mode switching signal is generated, analyzing the driving signal generated by the PID arithmetic part, and for outputting the driving signal to the PID arithmetic part.

    Abstract translation: 要解决的问题:为了提供PID控制单元的模式切换装置,当将PID控制单元的操作模式切换到手动模式和自动模式时,通过消除所产生的任何冲击来稳定地切换模式 到模式切换。 解决方案:PID控制单元的模式切换装置包括:PID运算部,用于根据手动模式切换信号和自动模式切换信号执行自动模式和手动模式的PID运算,并且 产生驾驶信号; 手动模式缓冲部,用于当产生手动模式切换信号时,处理由PID运算部生成的驱动信号,并将驱动信号输出到负载驱动机; 以及速度积分信号计算部,用于当产生自动模式切换信号时,分析由PID运算部生成的驱动信号,并将该驱动信号输出到PID运算部。 版权所有(C)2012,JPO&INPIT

    Rms detector and circuit breaker using the same
    188.
    发明专利
    Rms detector and circuit breaker using the same 有权
    RMS检测器和断路器使用它

    公开(公告)号:JP2014157155A

    公开(公告)日:2014-08-28

    申请号:JP2014028466

    申请日:2014-02-18

    Inventor: SEON JONG KUG

    CPC classification number: G01R19/02 G01R19/03 G01R19/16547 G01R21/06 G06G7/20

    Abstract: PROBLEM TO BE SOLVED: To provide an RMS detector for directly computing a signal detected through an analog circuit to measure its RMS value, and a circuit breaker using the same.SOLUTION: An RMS detector according to the present invention includes: a plurality of voltage/current sensing units 100 configured to detect a voltage or current shaped analog signal for an arbitrary load; a plurality of square circuit units 200 configured to compute square functions, respectively, based on a voltage output from the plurality of voltage/current sensing units 100; a summing circuit unit 300 configured to sum a plurality of output voltages output from the plurality of square circuit units 200, respectively; and a root circuit unit 400 configured to compute an RMS value based on a voltage output from the summing circuit unit 300.

    Abstract translation: 要解决的问题:提供用于直接计算通过模拟电路检测的信号以测量其RMS值的RMS检测器,以及使用其的断路器。解决方案:根据本发明的RMS检测器包括:多个电压 /电流感测单元100,被配置为检测用于任意负载的电压或电流形状的模拟信号; 多个平方电路单元200被配置为基于从多个电压/电流感测单元100输出的电压分别计算平方功能; 求和电路单元300,被配置为分别从多个方波电路单元200输出的多个输出电压求和; 以及根电路单元400,被配置为基于从求和电路单元300输出的电压来计算RMS值。

    Dc link capacitor assembly
    189.
    发明专利
    Dc link capacitor assembly 有权
    直流链路电容器总成

    公开(公告)号:JP2014121260A

    公开(公告)日:2014-06-30

    申请号:JP2013235788

    申请日:2013-11-14

    Abstract: PROBLEM TO BE SOLVED: To provide a DC link capacitor assembly that is easy in coupling, efficient in space application, and superior in temperature characteristics.SOLUTION: A DC link capacitor assembly according to the present invention includes a DC link capacitor disposed in a housing. The housing includes a top surface, a bottom surface disposed spaced downward from the top surface, at least one side surface connecting the top surface to the bottom surface, an opening defined at a front side between the top surface and the bottom surface, and an external capacitor accommodation part disposed outside the side surface.

    Abstract translation: 要解决的问题:提供一种容易耦合,空间应用有效和温度特性优异的直流链路电容器组件。解决方案:根据本发明的直流链路电容器组件包括设置在壳体中的直流链路电容器 。 壳体包括顶表面,从顶表面向下设置的底表面,将顶表面连接到底表面的至少一个侧表面,限定在顶表面和底表面之间的前侧的开口,以及 设置在侧面外侧的外部电容器容纳部。

    Power control apparatus of hybrid power system
    190.
    发明专利
    Power control apparatus of hybrid power system 有权
    混合动力系统功率控制装置

    公开(公告)号:JP2014103844A

    公开(公告)日:2014-06-05

    申请号:JP2013222196

    申请日:2013-10-25

    Inventor: NGUYEN KHANH LOC

    Abstract: PROBLEM TO BE SOLVED: To provide a power control apparatus of a hybrid power system, which is capable of improving power quality and can respond to a sudden change in load demand power.SOLUTION: A power control apparatus 200 of the hybrid power system includes a power measurement part 210 for measuring output power of the power system and a control part 220 for controlling operation of a first power generation part 115 and a second power generation part 117 in the power system on the basis of a previously set control mode and measured output power. When an output of the second power generation part 117 is controlled so as to be switched from ON to OFF, the control part 220 controls an output voltage of the first power generation part 115 to a first offset voltage corresponding to the output of the second power generation part 117 during a first time period.

    Abstract translation: 要解决的问题:提供一种混合动力系统的功率控制装置,其能够提高电力质量并且可以应对负载需求功率的突然变化。解决方案:混合动力系统的功率控制装置200包括 用于测量电力系统的输出功率的功率测量部分210和用于基于预先设置的控制模式和测量输出来控制电力系统中的第一发电部分115和第二发电部分117的操作的控制部分220 功率。 当第二发电部117的输出被控制为从ON切换到OFF时,控制部220将第一发电部115的输出电压控制为与第二发电部117的输出对应的第一偏移电压 在第一时间段内生成部分117。

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