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公开(公告)号:US09638652B2
公开(公告)日:2017-05-02
申请号:US14168254
申请日:2014-01-30
Applicant: Giatec Scientific Inc.
Inventor: Pouria Ghods , Rouhollah Alizadeh , Mustafa Salehi
IPC: G01R27/28 , G01N27/02 , G01N17/02 , G01N33/38 , G01R27/08 , G01L1/10 , G01N17/00 , G01L1/20 , G01L1/22
CPC classification number: G01N27/04 , G01L1/10 , G01L1/20 , G01L1/22 , G01N17/00 , G01N17/006 , G01N17/02 , G01N17/04 , G01N27/026 , G01N33/383
Abstract: Hundreds of thousands of concrete bridges and hundreds of billions of tons of concrete require characterization with time for corrosion. Accordingly, protocols for rapid testing and improved field characterization systems that automatically triangulate electrical resistivity and half-cell corrosion potential measurements would be beneficial allowing discrete/periodic mapping of a structure to be performed as well as addressing testing for asphalt covered concrete. Further, it is the low frequency impedance of rebar in concrete that correlates to corrosion state but these are normally time consuming vulnerable to noise. Hence, it would be beneficial to provide a means of making low frequency electrical resistivity measurements rapidly. Further, prior art techniques for electrical rebar measurements require electrical connection be made to the rebar which increases measurement complexity/disruption/repair/cost even when no corrosion is identified. Beneficially a method of determining the state of a rebar without electrical contact is taught.
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公开(公告)号:US20170023511A1
公开(公告)日:2017-01-26
申请号:US14660870
申请日:2015-03-17
Applicant: MATRIX SENSORS, INC.
Inventor: Paul R. Wilkinson , Steven Yamamoto
CPC classification number: G01L1/10 , G01N27/221 , G01N27/4163 , G01N29/022 , G01N29/036 , G01N29/2406 , G01N29/4427 , G01N33/0006 , G01N2291/0255 , G01N2291/0256 , G01N2291/0427 , G01N2291/106
Abstract: An array of resonant sensors self-corrects measured values for the effects of environmental conditions, such as operating temperature, pressure or humidity. The resonant sensors have varied frequency responses to N environmental parameters and M chemical parameters. Each of the sensors has a different, non-zero frequency response to at least two of the parameters. The device also comprises at least one detector for detecting frequency responses of the resonant sensors. Individual parameter values are determined for each of the N environmental parameters and M chemical parameters according to the detected frequency responses and a system of equations using calibration terms that relate the frequency responses to the individual parameter values.
Abstract translation: 谐振传感器阵列可自动校正环境条件(如工作温度,压力或湿度)影响的测量值。 谐振传感器对N个环境参数和M个化学参数具有不同的频率响应。 每个传感器对至少两个参数具有不同的非零频率响应。 该装置还包括用于检测谐振传感器的频率响应的至少一个检测器。 根据检测到的频率响应,确定N个环境参数和M个化学参数中的每一个的各个参数值,以及使用将频率响应与各个参数值相关联的校准项的方程组。
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公开(公告)号:US09546917B2
公开(公告)日:2017-01-17
申请号:US14669139
申请日:2015-03-26
Applicant: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
Inventor: Mark D. Groden , Matthew D. Collette
IPC: G01B7/16 , G01L1/00 , G01L1/04 , G01L5/10 , G01M5/00 , G01L1/22 , G01L1/10 , H01C17/00 , E21B49/00 , G01B5/30 , G01L1/20
CPC classification number: G01L1/04 , E21B49/00 , G01B5/30 , G01B7/16 , G01L1/10 , G01L1/20 , G01L1/22 , G01L1/2206 , G01L1/2287 , G01L5/106 , G01M5/0025 , G01M5/0041 , G01N2203/0016 , H01C17/00
Abstract: A strain amplification sensor having a first base portion being coupled to a first member to be strain measured, a second base portion being coupled to a second member to be strain measured, and an amplifying lever system pivotally coupled between the first base portion and the second base portion. The amplifying lever system includes attachment locations that induce opposing relative motion resulting in detectable deflection of the amplifying lever system in response to application of strain between the first base portion and the second base portion.
Abstract translation: 一种应变放大传感器,具有第一基部,其耦合到待测应变的第一构件,耦合到待测应变的第二构件的第二基部;以及可枢转地联接在所述第一基部和所述第二基部之间的放大杆系统 基部。 放大杆系统包括引起相对的相对运动的附接位置,导致放大杆系统响应于在第一基部和第二基部之间施加应变的可检测的偏转。
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公开(公告)号:US09228916B2
公开(公告)日:2016-01-05
申请号:US13842152
申请日:2013-03-15
Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
Inventor: Lorenzo Valdevit , Kivanc Azgin
CPC classification number: G01L25/00 , G01L1/00 , G01L1/10 , G01N33/203
Abstract: Self calibrating micro-fabricated load cells are disclosed. According to one embodiment, a self calibrating load cell comprises a resonant double ended tuning fork force sensor and a phase locked loop circuit for detection of frequency changes upon external load application to the resonant double ended tuning fork force sensor.
Abstract translation: 公开了自校准微型测力传感器。 根据一个实施例,自校准称重传感器包括谐振双端音叉力传感器和用于在外部负载施加到谐振双端音叉力传感器时检测频率变化的锁相环电路。
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公开(公告)号:US09182300B2
公开(公告)日:2015-11-10
申请号:US13648644
申请日:2012-10-10
Applicant: Service Solutions U.S. LLC
Inventor: Jeremy Themm , William W. Wittliff, III , Reed Selkirk , Kevin Gray
CPC classification number: G01L1/00 , G01H1/00 , G01H3/00 , G01H9/00 , G01H11/00 , G01L1/10 , G01L1/103 , G01L5/042 , G01L5/105
Abstract: A measuring system including a sensor positioned to a belt to measure an oscillation or vibration of the belt based at least in part on a trigger threshold. Also, the measuring system may include a diagnostic tool coupled the sensor to receive a plurality of measurements of the oscillation or vibration of the belt, wherein the diagnostic tool may determine a tension of the belt based at least in part on an average of the plurality of measurements of the oscillation or vibration of the belt.
Abstract translation: 一种测量系统,包括至少部分地基于触发阈值定位到皮带上以测量皮带的振动或振动的传感器。 此外,测量系统可以包括诊断工具,耦合传感器以接收带的振荡或振动的多个测量值,其中诊断工具可以至少部分地基于多个平均值来确定皮带的张力 测量皮带的振动或振动。
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公开(公告)号:US09151683B2
公开(公告)日:2015-10-06
申请号:US14344885
申请日:2012-09-17
Applicant: STRAINSONICS LIMITED
Inventor: Peter Seaman , Philip Brian Harper
CPC classification number: G01L1/10 , B66C13/16 , G01L1/106 , G01L5/0085 , G01N3/08
Abstract: A method of analyzing a load bearing member (12), comprises providing the load bearing member in a condition in which it is secured to a formation with a securing assembly (14). A predetermined load is applied to the load bearing member, thereby stressing the securing assembly. A signal is transmitted through a component (24, 108) of the securing assembly transverse to the direction at which the load is applied, and a measurement is taken of an effect on the signal to determine the aforesaid load.
Abstract translation: 一种分析承载构件(12)的方法,包括:将所述承载构件设置在其中用固定组件(14)固定到地层的状态。 预定的载荷被施加到承载构件上,从而对固定组件施力。 信号通过固定组件的组件(24,108)横向于施加负载的方向传输,并且测量对信号的影响以确定上述负载。
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公开(公告)号:US20150082898A1
公开(公告)日:2015-03-26
申请号:US14554982
申请日:2014-11-26
Inventor: HIDEO OHKOSHI
IPC: G01L1/10
Abstract: A strain sensor includes a package to be connected to a strain generating body, a detector configured to convert a mechanical strain of the strain generating body into an electric signal and output the electric signal, and a processor chip connected to an upper surface of the package and separated from a detector. A recess is provided in the upper surface of the package. The detector is accommodated in the recess and joined to the recess. This strain sensor can have a small size.
Abstract translation: 应变传感器包括要连接到应变发生体的封装,被配置为将应变发生体的机械应变转换为电信号并输出电信号的检测器,以及连接到封装的上表面的处理器芯片 并与检测器分离。 在包装的上表面设置凹部。 检测器容纳在凹部中并且连接到凹部。 该应变传感器可以具有小尺寸。
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公开(公告)号:US20140052388A1
公开(公告)日:2014-02-20
申请号:US13857221
申请日:2013-04-05
Applicant: Andrew E. Mahlen , Ali Thamir Alniemi , Bryan C. King
Inventor: Andrew E. Mahlen , Ali Thamir Alniemi , Bryan C. King
IPC: G01L1/10
Abstract: A “semi-automated” device, method and/or system for the determination of line sag in a tensioned (e.g., power) line is described. A prescribed number of waves based on the waves required by a given sag-tension chart is input. After the device is directly or indirectly attached onto the line, the user then induces a wave on the line either by pulling/striking the tensioned line. The device automatically measures the acceleration/inflection of the passing waves and the time of arrival of waves, as well as ambient temperature, and signaling the user upon completion of the measurement. These recorded values can be used to determine the actual sag of the tensioned line, thus avoiding the current error-prone approach of using a manual stopwatch and visual deflection of the waves.
Abstract translation: 描述了用于确定张紧(例如功率)线中的线下垂的“半自动化”装置,方法和/或系统。 输入基于给定的下垂张力图所需的波的规定数量的波。 在设备直接或间接附着在线路上之后,用户然后通过拉/拉张紧的线路在线路上引起波浪。 该装置自动测量通过波的加速/弯曲,波的到达时间以及环境温度,并在测量完成时向用户发出信号。 这些记录值可用于确定张紧线的实际下垂,从而避免使用手动秒表的当前容易出错的方法和波浪的视觉偏转。
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公开(公告)号:US20110187674A1
公开(公告)日:2011-08-04
申请号:US13020797
申请日:2011-02-03
Applicant: Jeffrey R. Baker , Volodymyr Vlaskin , Carlos Solis Sanchez , Matthew Fumio Yamamoto , Declan Christopher Flannery
Inventor: Jeffrey R. Baker , Volodymyr Vlaskin , Carlos Solis Sanchez , Matthew Fumio Yamamoto , Declan Christopher Flannery
Abstract: A sensor system includes a touch screen and a force sensor. The touch screen has a first and second surface and detects a first surface touch and converts it to data indicative of an X, Y coordinate position upon the touch screen first surface. The force sensor contacts the touch screen second surface and substantially extends around the perimeter of the touch screen second surface. The force sensor measures the force exerted by the first surface touch in the form of force data.
Abstract translation: 传感器系统包括触摸屏和力传感器。 触摸屏具有第一表面和第二表面,并且检测第一表面触摸并将其转换成指示触摸屏第一表面上的X,Y坐标位置的数据。 力传感器接触触摸屏第二表面并且基本上围绕触摸屏第二表面的周边延伸。 力传感器以力数据的形式测量由第一表面触摸施加的力。
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公开(公告)号:US20050061081A1
公开(公告)日:2005-03-24
申请号:US10668699
申请日:2003-09-22
Applicant: Andrew Butler , Daniel Adams , Kyle Petrich , Brian Lamb , Jean-Pierre Krauer , Zinovy Dolgonosov , David Shafer , Timmy Wong , Calvin Chan
Inventor: Andrew Butler , Daniel Adams , Kyle Petrich , Brian Lamb , Jean-Pierre Krauer , Zinovy Dolgonosov , David Shafer , Timmy Wong , Calvin Chan
CPC classification number: G01L1/10
Abstract: A force measuring apparatus uses a flexible cantilever beam engaging a tool at one end and a handle at the other end so that a force, normal to the beam, can be applied and delivered to the tool. Mounted in spaced apart longitudinal alignment on each side of the beam, is a tensioned wire, and a vibratory modulator in electromagnetic communication with the wire causing the wire to vibrate. A vibratory sensor is also positioned on each side of the beam in sensory communication with each respective wire. An electrical circuit is functionally enabled for receiving electrical signals from the vibratory sensor, the signals corresponding to a vibratory frequency of each of the wires, and for controlling the vibratory modulators to maintain the wires at resonant vibratory frequency, and for measuring a differential vibratory frequency between the wires, and finally, for calculating the magnitude of a force applied to the beam in such direction that one of the wires is incrementally further tensioned and the other of the wires is incrementally relaxed. The force magnitude is displayed on the apparatus.
Abstract translation: 力测量装置使用在一端接合工具的柔性悬臂梁和在另一端处的手柄,使得垂直于梁的力能够施加并传递到工具。 安装在梁的每一侧上以间隔开的纵向对准,是张紧的线,以及与线电磁连通的振动调制器,导致线振动。 振动传感器也位于梁的每一侧上,与每个相应的线感测通信。 功能上使得电路能够接收来自振动传感器的电信号,该信号对应于每个电线的振动频率,并且用于控制振动调制器以将电线保持在共振振动频率,并且用于测量差分振动频率 并且最后,用于计算施加到光束的力的大小,使得其中一条电线逐渐进一步张紧,另一条电线逐渐松弛。 力量显示在设备上。
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