Multi tip clearance measurement system and method of operation
    82.
    发明授权
    Multi tip clearance measurement system and method of operation 失效
    多头清关测量系统及操作方法

    公开(公告)号:US07215129B1

    公开(公告)日:2007-05-08

    申请号:US11393584

    申请日:2006-03-30

    IPC分类号: G01R27/26

    摘要: A multi tip clearance measurement system is provided. The clearance measurement system includes a sensor disposed on a first object, wherein the sensor comprises a plurality of probe tips configured to generate signals representative of a sensed parameter corresponding to a second object and a processing unit configured to evaluate the signals from subsets of the sensed parameters from the probe tips to detect an outlier probe tip and to adjust a gain, or an offset of the respective outlier probe tip for estimating the clearance between the first and second objects based upon the signals.

    摘要翻译: 提供了多顶端间隙测量系统。 所述间隙测量系统包括设置在第一物体上的传感器,其中所述传感器包括被配置为产生表示对应于第二物体的感测参数的信号的多个探测头,以及被配置为评估来自所检测到的子集的信号的信号 来自探针尖端的参数以检测异常值探针尖端并且调整增益,或者基于该信号来估计第一和第二对象之间的间隙的相应异常值探针尖端的偏移。

    Systems and methods for online phase calibration
    84.
    发明授权
    Systems and methods for online phase calibration 有权
    用于在线相位校准的系统和方法

    公开(公告)号:US08314620B2

    公开(公告)日:2012-11-20

    申请号:US13150584

    申请日:2011-06-01

    IPC分类号: G01R25/00 G01B7/00

    CPC分类号: H03D13/00

    摘要: A system for online relative phase calibration is provided. The system includes at least one excitation source configured to generate multiple excitation signals. The system also includes at least two sensors coupled to respective ones of the at least one excitation source via a transmission line, wherein the two sensors are configured to receive respective ones of the excitation signals. The system further includes at least two phase detectors configured to receive at least two reflected signals from the two sensors via the transmission line, wherein each of the two phase detectors are configured to output a respective voltage representing a phase difference between respective ones of the reflected signals and respective ones of the excitation signals. The system also includes a switch coupled to the sensors and the phase detectors, the switch configured to switch the phase detectors between the sensors at a pre-determined switching interval. The system further includes a calibration module coupled to the phase detectors, wherein the calibration module is configured to receive and process the respective voltage from the at least two phase detectors to generate respective calibrated voltage signals, wherein the calibration module is further configured to and match the calibrated voltage signals of each of the phase detectors.

    摘要翻译: 提供了一种在线相位校准系统。 该系统包括被配置为产生多个激励信号的至少一个激励源。 该系统还包括经由传输线耦合到至少一个激励源中的相应激励源的至少两个传感器,其中两个传感器被配置为接收相应的激励信号。 该系统还包括至少两个相位检测器,其被配置为经由传输线从两个传感器接收至少两个反射信号,其中两个相位检测器中的每一个被配置为输出表示相应反射信号之间的相位差的相应电压 信号和各个激励信号。 该系统还包括耦合到传感器和相位检测器的开关,该开关被配置成以预定的切换间隔在传感器之间切换相位检测器。 所述系统还包括耦合到所述相位检测器的校准模块,其中所述校准模块被配置为接收并处理来自所述至少两个相位检测器的相应电压以产生相应的校准电压信号,其中所述校准模块还被配置为并匹配 每个相位检测器的校准电压信号。

    SYSTEMS AND METHODS FOR ONLINE PHASE CALIBRATION
    85.
    发明申请
    SYSTEMS AND METHODS FOR ONLINE PHASE CALIBRATION 有权
    用于在线相位校准的系统和方法

    公开(公告)号:US20110227585A1

    公开(公告)日:2011-09-22

    申请号:US13150584

    申请日:2011-06-01

    IPC分类号: G01R35/00

    CPC分类号: H03D13/00

    摘要: A system for online relative phase calibration is provided. The system includes at least one excitation source configured to generate multiple excitation signals. The system also includes at least two sensors coupled to respective ones of the at least one excitation source via a transmission line, wherein the two sensors are configured to receive respective ones of the excitation signals. The system further includes at least two phase detectors configured to receive at least two reflected signals from the two sensors via the transmission line, wherein each of the two phase detectors are configured to output a respective voltage representing a phase difference between respective ones of the reflected signals and respective ones of the excitation signals. The system also includes a switch coupled to the sensors and the phase detectors, the switch configured to switch the phase detectors between the sensors at a pre-determined switching interval. The system further includes a calibration module coupled to the phase detectors, wherein the calibration module is configured to receive and process the respective voltage from the at least two phase detectors to generate respective calibrated voltage signals, wherein the calibration module is further configured to and match the calibrated voltage signals of each of the phase detectors.

    摘要翻译: 提供了一种在线相位校准系统。 该系统包括被配置为产生多个激励信号的至少一个激励源。 该系统还包括经由传输线耦合到至少一个激励源中的相应激励源的至少两个传感器,其中两个传感器被配置为接收相应的激励信号。 该系统还包括至少两个相位检测器,其被配置为经由传输线从两个传感器接收至少两个反射信号,其中两个相位检测器中的每一个被配置为输出表示相应反射信号之间的相位差的相应电压 信号和各个激励信号。 该系统还包括耦合到传感器和相位检测器的开关,该开关被配置成以预定的切换间隔在传感器之间切换相位检测器。 所述系统还包括耦合到所述相位检测器的校准模块,其中所述校准模块被配置为接收并处理来自所述至少两个相位检测器的相应电压以产生相应的校准电压信号,其中所述校准模块还被配置为并匹配 每个相位检测器的校准电压信号。

    SYSTEMS AND METHODS FOR ONLINE PHASE CALIBRATION
    86.
    发明申请
    SYSTEMS AND METHODS FOR ONLINE PHASE CALIBRATION 有权
    用于在线相位校准的系统和方法

    公开(公告)号:US20090243628A1

    公开(公告)日:2009-10-01

    申请号:US12054548

    申请日:2008-03-25

    IPC分类号: G01R35/00

    CPC分类号: H03D13/00

    摘要: A system for online relative phase calibration is provided. The system includes at least one excitation source configured to generate multiple excitation signals. The system also includes at least two sensors coupled to respective ones of the at least one excitation source via a transmission line, wherein the two sensors are configured to receive respective ones of the excitation signals. The system further includes at least two phase detectors configured to receive at least two reflected signals from the two sensors via the transmission line, wherein each of the two phase detectors are configured to output a respective voltage representing a phase difference between respective ones of the reflected signals and respective ones of the excitation signals. The system also includes a switch coupled to the sensors and the phase detectors, the switch configured to switch the phase detectors between the sensors at a pre-determined switching interval. The system further includes a calibration module coupled to the phase detectors, wherein the calibration module is configured to receive and process the respective voltage from the at least two phase detectors to generate respective calibrated voltage signals, wherein the calibration module is further configured to and match the calibrated voltage signals of each of the phase detectors.

    摘要翻译: 提供了一种在线相位校准系统。 该系统包括被配置为产生多个激励信号的至少一个激励源。 该系统还包括经由传输线耦合到至少一个激励源中的相应激励源的至少两个传感器,其中两个传感器被配置为接收相应的激励信号。 该系统还包括至少两个相位检测器,其被配置为经由传输线从两个传感器接收至少两个反射信号,其中两个相位检测器中的每一个被配置为输出表示相应反射信号之间的相位差的相应电压 信号和各个激励信号。 该系统还包括耦合到传感器和相位检测器的开关,该开关被配置成以预定的切换间隔在传感器之间切换相位检测器。 所述系统还包括耦合到所述相位检测器的校准模块,其中所述校准模块被配置为接收并处理来自所述至少两个相位检测器的相应电压以产生相应的校准电压信号,其中所述校准模块还被配置为并匹配 每个相位检测器的校准电压信号。

    System for transient voltage suppressors
    89.
    发明授权
    System for transient voltage suppressors 有权
    瞬态电压抑制器系统

    公开(公告)号:US08530902B2

    公开(公告)日:2013-09-10

    申请号:US13281638

    申请日:2011-10-26

    IPC分类号: H01L29/15

    摘要: A method of forming a silicon carbide transient voltage suppressor (TVS) assembly and a system for a transient voltage suppressor (TVS) assembly are provided. The TVS assembly includes a semiconductor die in a mesa structure that includes a first layer of a first wide band gap semiconductor having a conductivity of a first polarity, a second layer of the first or a second wide band gap semiconductor having a conductivity of a second polarity coupled in electrical contact with the first layer wherein the second polarity is different than the first polarity. The TVS assembly also includes a third layer of the first, the second, or a third wide band gap semiconductor having a conductivity of the first polarity coupled in electrical contact with the second layer. The layer having a conductivity of the second polarity is lightly doped relative to the layers having a conductivity of the first polarity.

    摘要翻译: 提供了形成碳化硅瞬态电压抑制器(TVS)组件的方法和用于瞬态电压抑制器(TVS)组件的系统。 TVS组件包括台面结构中的半导体管芯,其包括具有第一极性的导电率的第一宽带隙半导体的第一层,具有第二极导电率的第一或第二宽带隙半导体的第二层 极性与第一层电接触,其中第二极性不同于第一极性。 TVS组件还包括具有与第二层电接触的第一极性的导电性的第一,第二或第三宽带隙半导体的第三层。 相对于具有第一极性的导电性的层,具有第二极性的导电性的层被轻掺杂。

    Systems for inspection of shrouds
    90.
    发明授权
    Systems for inspection of shrouds 有权
    护罩检查系统

    公开(公告)号:US08482306B2

    公开(公告)日:2013-07-09

    申请号:US13616259

    申请日:2012-09-14

    IPC分类号: G01R27/08

    CPC分类号: G01N27/041

    摘要: A system to measure thickness of a shroud is provided. The system includes at least one resistive element embedded within the shroud. A reduction in a cross-sectional area of the at least one resistive due to wearing out of the shroud results in a change in a resistance of the at least one resistive. The system also includes an impedance measurement device that measures a total resistance associated with the at least one resistive element.

    摘要翻译: 提供了一种测量护罩厚度的系统。 该系统包括嵌入罩内的至少一个电阻元件。 由于穿过护罩导致的至少一个电阻的横截面面积的减小导致至少一个电阻的电阻的变化。 该系统还包括测量与至少一个电阻元件相关联的总电阻的阻抗测量装置。