Magnetostrictive sensor array for active or synthetic phased-array focusing of guided waves
    1.
    发明授权
    Magnetostrictive sensor array for active or synthetic phased-array focusing of guided waves 有权
    用于有源或合成相控阵导向波聚焦的磁致伸缩传感器阵列

    公开(公告)号:US08907665B2

    公开(公告)日:2014-12-09

    申请号:US13298758

    申请日:2011-11-17

    IPC分类号: G01N27/82 G01N29/26 G01N29/24

    摘要: A system includes at least one strip of ferromagnetic material and a plurality of pulsing/receiving coil circuits. The at least one strip of ferromagnetic material is induced with a bias magnetic field and is coupled to a surface of a structure under test. The plurality of pulsing/receiving coil circuits are aligned with a surface of the at least one strip of the ferromagnetic material. The plurality of pulsing/receiving coil circuits are individually controllable by a number of channels to excite guided waves in the structure under test using at least one of active phased-array focusing or synthetic phased-array focusing of the guided waves.

    摘要翻译: 系统包括至少一个铁磁材料条和多个脉冲/接收线圈电路。 所述至少一个铁磁材料条是用偏置磁场诱发的并且耦合到被测结构的表面。 多个脉冲/接收线圈电路与铁磁材料的至少一个条带的表面对准。 多个脉冲/接收线圈电路可以通过多个通道单独控制,以使用导波的有源相控阵聚焦或合成相控阵列聚焦中的至少一个来激发被测结构中的导波。

    ELASTIC WAVE RAIL DEFECT DETECTION SYSTEM
    2.
    发明申请
    ELASTIC WAVE RAIL DEFECT DETECTION SYSTEM 审中-公开
    弹性波纹缺陷检测系统

    公开(公告)号:US20120279308A1

    公开(公告)日:2012-11-08

    申请号:US13463977

    申请日:2012-05-04

    IPC分类号: G01N29/04

    摘要: A rail defect detection system includes a controller in signal communication with at least one transducer. The at least one transducer is configured to receive a predetermined number of guided elastic wave modes at specific frequencies and with specific wave structures from a rail and generate a signal in response. The controller includes a processor configured to identify a defect disposed along the rail in response to the signal received from the at least one transducer.

    摘要翻译: 轨道缺陷检测系统包括与至少一个换能器进行信号通信的控制器。 所述至少一个换能器被配置为在特定频率处接收预定数量的引导弹性波模式并且从轨道接收特定的波形结构并且响应地产生信号。 控制器包括处理器,其被配置为响应于从至少一个换能器接收的信号来识别沿着轨道设置的缺陷。

    NON-CONTACT ACOUSTIC SIGNAL PROPAGATION PROPERTY EVALUATION OF SYNTHETIC FIBER ROPE
    3.
    发明申请
    NON-CONTACT ACOUSTIC SIGNAL PROPAGATION PROPERTY EVALUATION OF SYNTHETIC FIBER ROPE 有权
    非接触式声学信号传播合成纤维绳的性能评估

    公开(公告)号:US20120053852A1

    公开(公告)日:2012-03-01

    申请号:US13318447

    申请日:2010-05-05

    IPC分类号: G06F19/00 G01N29/04

    摘要: A non-contact signal propagation property evaluation system for ropes can be deployed for a number of different applications including, but not limited to, moving lines, e.g., crane or winch and static lines, e.g., mooring lines, stays, etc., to evaluate physical properties of the ropes and, in some cases, to help evaluate structural health of the ropes. The system includes a first transducer for generating ultrasonic waves, a second transducer for receiving ultrasonic waves propagated transversely through and around the rope, and a processor executing computer readable code to determine acoustic propagation properties of the rope.

    摘要翻译: 用于绳索的非接触信号传播特性评估系统可以部署用于许多不同的应用,包括但不限于移动线路,例如起重机,绞车和静止线路,例如系泊线路,停靠点等 评估绳索的物理性质,并在某些情况下帮助评估绳索的结构健康。 该系统包括用于产生超声波的第一换能器,用于接收横向穿过和围绕绳索传播的超声波的第二换能器,以及执行计算机可读代码以确定绳索的声传播特性的处理器。

    Non-destructive examination apparatus and method for guided waves
    4.
    发明授权
    Non-destructive examination apparatus and method for guided waves 有权
    导波无损检测装置及方法

    公开(公告)号:US07938008B2

    公开(公告)日:2011-05-10

    申请号:US11946281

    申请日:2007-11-28

    IPC分类号: G01N29/00

    摘要: A method of performing a non-destructive examination of a piece of material, having the steps of providing an angle beam wedge and at least two transducers placed upon the wedge, wherein the transducers are placed in a phased array, placing the wedge upon the piece of material to be examined, producing a guided wave into the piece of material to be examined, wherein the guided wave is placed into the material through a synthetically changed incident angle, receiving the guided wave from the piece of material, and determining one of a presence of defects and lack of defects in the piece of material from the received guided wave. Transducers used may include 360 degree guided wave, radial polarized units, parallel shear units for shear horizontal activation and guided wave wheel probes.

    摘要翻译: 一种对一块材料进行非破坏性检查的方法,该方法具有以下步骤:提供角度束楔和至少两个置于楔形件上的换能器,其中将换能器放置在相控阵列中,将楔放置在片上 的待检查材料,将导波产生到待检查的材料块中,其中通过合成改变的入射角将导波放置在材料中,从该材料接收导波,并确定 存在缺陷并且从接收的导波中缺少材料的缺陷。 使用的传感器可以包括360度导波,径向极化单元,用于剪切水平激活的平行剪切单元和导向波轮探针。

    Guided wave pipeline inspection system with enhanced focusing capability
    5.
    发明授权
    Guided wave pipeline inspection system with enhanced focusing capability 有权
    导波管道检测系统具有增强的聚焦能力

    公开(公告)号:US07751989B2

    公开(公告)日:2010-07-06

    申请号:US11948383

    申请日:2007-11-30

    IPC分类号: G06F17/50 G01N29/44 H04L12/26

    摘要: A system for inspecting a pipeline having at least two transducers divided into segments, the segments each containing a number of sensors, wherein a maximum number of segments is equal to a number of transducers, an arrangement configured to send, receive and store signals, wherein the arrangement has a number of pulser channels and a number of receiver channels, wherein the arrangement has at least one multiplexing arrangement for multiplexing signals from the arrangement; and a time delay arrangement connected to the arrangement configured to send, receive and store signals. The system may also provide for focal point skewing, near real time coating compensation for proper excitation mode, adjusted time delay capability and the ability to focus beyond changes in geometry.

    摘要翻译: 一种用于检查具有分成段的至少两个换能器的管道的系统,所述管段各自包含多个传感器,其中最大数量的段等于多个换能器,配置为发送,接收和存储信号的装置,其中 该装置具有多个脉冲发生器通道和多个接收器通道,其中该装置具有用于复用来自该装置的信号的至少一个复用装置; 以及连接到被配置为发送,接收和存储信号的装置的时间延迟装置。 该系统还可以提供焦点偏移,适当激励模式的近实时涂层补偿,调整的时间延迟能力以及超出几何形状变化的能力。

    GUIDED WAVE THERMOGRAPHY METHODS AND SYSTEMS FOR INSPECTING A STRUCTURE
    6.
    发明申请
    GUIDED WAVE THERMOGRAPHY METHODS AND SYSTEMS FOR INSPECTING A STRUCTURE 有权
    指导波形热成像方法和检测结构的系统

    公开(公告)号:US20130343424A1

    公开(公告)日:2013-12-26

    申请号:US13922367

    申请日:2013-06-20

    IPC分类号: G01K11/22

    摘要: Methods and systems (10) based on guided wave thermography for non-destructively inspecting structural flaws that may be present in a structure (15). For example, such systems and methods may provide the ability to selectively deliver sonic or ultrasonic energy to provide focusing and/or beam steering throughout the structure from a fixed transducer location (12, 14, 16). Moreover, such systems and methods may provide the ability to selectively apply sonic or ultrasonic energy having excitation characteristics (FIGS. 11 and 12) which may be uniquely tailored to enhance the thermal response (FIGS. 5 and 7) of a particular flaw geometry and/or flaw location.

    摘要翻译: 基于导波热像仪的方法和系统(10)可以存在于结构(15)中的非破坏性检查结构缺陷。 例如,这样的系统和方法可以提供选择性地传送声波或超声波能量以从固定换能器位置(12,14,16)提供整个结构的聚焦和/或光束转向的能力。 此外,这样的系统和方法可以提供选择性地应用具有激发特性的声波或超声能量(图11和12)的能力,其可以被唯一地定制以增强特定缺陷几何的热响应(图5和图7) /或缺陷位置。

    GUIDED WAVES FOR NONDESTRUCTIVE TESTING OF PIPES
    7.
    发明申请
    GUIDED WAVES FOR NONDESTRUCTIVE TESTING OF PIPES 有权
    用于管道非结构测试的指导波

    公开(公告)号:US20090150094A1

    公开(公告)日:2009-06-11

    申请号:US12271412

    申请日:2008-11-14

    IPC分类号: G01N29/04 G06F19/00

    摘要: A method for the nondestructive testing of pipeline, and internal or external coatings, using guided ultrasonic waves excited from the inside or outside diameter, wherein at least two transducers are employed to send and receive ultrasound, wherein a data normalization scheme is employed to account for transducer variability, and wherein the hardware arrangement has a number of pulser channels and a number of receiver channels for the collection and storage of signals.

    摘要翻译: 使用从内径或外径激发的引导超声波对管道以及内部或外部涂层进行非破坏性测试的方法,其中使用至少两个换能器来发送和接收超声波,其中使用数据归一化方案来计算 换能器可变性,并且其中硬件布置具有用于收集和存储信号的多个脉冲发生器通道和多个接收器通道。

    GUIDED WAVE PIPELINE INSPECTION SYSTEM AND METHOD WITH ENHANCED NATURAL FOCUSING TECHNIQUES
    8.
    发明申请
    GUIDED WAVE PIPELINE INSPECTION SYSTEM AND METHOD WITH ENHANCED NATURAL FOCUSING TECHNIQUES 有权
    引导波导管检测系统及其增强自然聚焦技术的方法

    公开(公告)号:US20090139337A1

    公开(公告)日:2009-06-04

    申请号:US12327717

    申请日:2008-12-03

    IPC分类号: G01N29/04

    摘要: A method for the nondestructive inspecting of coated or uncoated pipeline, using ultrasonic guided waves excited on the outer or inner pipe surface, wherein at least one or more transducers are individually or simultaneously excited to generate ultrasound, wherein multiple received signals with different focal spot positions are processed and combined to produce a reduced number of final waveforms that show defect axial positions in the pipe, wherein a data calibration scheme is utilized to adjust velocity variability for all the guided wave modes at different frequencies, and wherein the hardware arrangement has at least one pulser channel and one receiver channel for the collection and storage of signals.

    摘要翻译: 一种用于在外表面或内管表面上激发的超声波引导波对涂覆或未涂覆管线进行非破坏性检查的方法,其中至少一个或多个换能器被单独地或同时激发以产生超声波,其中具有不同焦点位置的多个接收信号 被处理和组合以产生显示管道中的缺陷轴向位置的最终波形的数量减少,其中使用数据校准方案来调整在不同频率下的所有导波模式的速度变化,并且其中硬件装置至少具有 一个脉冲发生器通道和一个用于收集和存储信号的接收器通道。

    GUIDED WAVE PIPELINE INSPECTION SYSTEM WITH ENHANCED FOCUSING CAPABILITY
    9.
    发明申请
    GUIDED WAVE PIPELINE INSPECTION SYSTEM WITH ENHANCED FOCUSING CAPABILITY 有权
    引导波导管检测系统具有增强的聚焦能力

    公开(公告)号:US20080133200A1

    公开(公告)日:2008-06-05

    申请号:US11948383

    申请日:2007-11-30

    IPC分类号: G06F17/50 G01N29/44 H04L12/26

    摘要: A system for inspecting a pipeline having at least two transducers divided into segments, the segments each containing a number of sensors, wherein a maximum number of segments is equal to a number of transducers, an arrangement configured to send, receive and store signals, wherein the arrangement has a number of pulser channels and a number of receiver channels, wherein the arrangement has at least one multiplexing arrangement for multiplexing signals from the arrangement; and a time delay arrangement connected to the arrangement configured to send, receive and store signals. The system may also provide for focal point skewing, near real time coating compensation for proper excitation mode, adjusted time delay capability and the ability to focus beyond changes in geometry.

    摘要翻译: 一种用于检查具有分成段的至少两个换能器的管道的系统,所述管段各自包含多个传感器,其中最大数量的段等于多个换能器,配置为发送,接收和存储信号的装置,其中 该装置具有多个脉冲发生器通道和多个接收器通道,其中该装置具有用于复用来自该装置的信号的至少一个复用装置; 以及连接到被配置为发送,接收和存储信号的装置的时间延迟装置。 该系统还可以提供焦点偏移,适当激励模式的近实时涂层补偿,调整的时间延迟能力以及超出几何形状变化的能力。

    NON-DESTRUCTIVE EXAMINATION APPARATUS AND METHOD FOR GUIDED WAVES
    10.
    发明申请
    NON-DESTRUCTIVE EXAMINATION APPARATUS AND METHOD FOR GUIDED WAVES 有权
    非破坏性检查装置和引导波的方法

    公开(公告)号:US20080127732A1

    公开(公告)日:2008-06-05

    申请号:US11946281

    申请日:2007-11-28

    IPC分类号: G01N29/00

    摘要: A method of performing a non-destructive examination of a piece of material, having the steps of providing an angle beam wedge and at least two transducers placed upon the wedge, wherein the transducers are placed in a phased array, placing the wedge upon the piece of material to be examined, producing a guided wave into the piece of material to be examined, wherein the guided wave is placed into the material through a synthetically changed incident angle, receiving the guided wave from the piece of material, and determining one of a presence of defects and lack of defects in the piece of material from the received guided wave. Transducers used may include 360 degree guided wave, radial polarized units, parallel shear units for shear horizontal activation and guided wave wheel probes.

    摘要翻译: 一种对一块材料进行非破坏性检查的方法,该方法具有以下步骤:提供角度束楔和至少两个置于楔形件上的换能器,其中将换能器放置在相控阵列中,将楔放置在片上 的待检查材料,将导波产生到待检查的材料块中,其中通过合成改变的入射角将导波放置在材料中,从该材料接收导波,并确定 存在缺陷并且从接收的导波中缺少材料的缺陷。 使用的传感器可以包括360度导波,径向极化单元,用于剪切水平激活的平行剪切单元和导向波轮探针。