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    • 6. 发明授权
    • Method and device for testing a component having a complex surface contour by means of ultrasound
    • 用于通过超声波测试具有复杂表面轮廓的部件的方法和装置
    • US07181970B2
    • 2007-02-27
    • US10541313
    • 2004-10-11
    • Wolfgang HaaseGerhard FingerRoman Koch
    • Wolfgang HaaseGerhard FingerRoman Koch
    • G01N29/265G01N29/06
    • G01N29/265G01N29/0645G01N29/225G01N2291/02854G01N2291/101G01N2291/2638
    • A method and a device for testing a structural component having a complex surface contour utilizing ultrasound, at least one ultrasonic head (UPK) being guided along the surface contour (OK) of the structural component (BT) by means of a manipulator (MM) having several axial drives (MX, MJ, MZ, MA, MB) in several axes at a defined spacing (A) along the surface contour (OK) of the structural component (BT). To also ensure a high measuring accuracy in structural components which have a complex curved surface contour, the axial drives (MX, MJ, MZ, MA, MB) of the manipulator (MM) are synchronously moved along predetermined support points, a trigger drive (MRT) is controlled in synchronism with the axial drives (MX, MJ, MZ, MA, MB) and moved together with all engaged axial drives according to a predetermined surface line (OL) reproducing the surface contour (OK) and the trigger drive (MRT) generates equidistant trigger pulses relative to the surface line (OL) of the complex surface contour.
    • 一种用于使用超声测试具有复杂表面轮廓的结构部件的方法和装置,至少一个超声波头(UPK)通过机械手(MM)沿着结构部件(BT)的表面轮廓(OK)引导, 沿着结构部件(BT)的表面轮廓(OK)以确定的间隔(A)在几个轴上具有几个轴向驱动器(MX,MJ,MZ,MA,MB)。 为了确保具有复杂曲面轮廓的结构部件中的高测量精度,操纵器(MM)的轴向驱动(MX,MJ,MZ,MA,MB)沿着预定的支撑点同步移动,触发驱动 MRT)与轴向驱动(MX,MJ,MZ,MA,MB)同步控制,并与所有接合的轴向驱动器一起移动,根据预定的表面线(OL)再现表面轮廓(OK)和触发驱动( MRT)产生相对于复杂表面轮廓的表面线(OL)的等距触发脉冲。
    • 7. 发明申请
    • METHOD FOR PROCESSING AN ULTRASONIC ANALOG SIGNAL, DIGITAL SIGNAL PROCESSING UNIT AND ULTRASONIC INSPECTION DEVICE
    • 超声波模拟信号处理方法,数字信号处理装置及超声波检测装置
    • US20140236500A1
    • 2014-08-21
    • US14348182
    • 2012-09-26
    • Roman Heinrich KochGerhard FingerKlaus-Peter Busch
    • Roman Heinrich KochGerhard FingerKlaus-Peter Busch
    • G01N29/44G01N29/46G06F17/14
    • G01N29/4445G01N29/46G01N2291/044G06F17/148
    • The invention relates to a method for processing an ultrasonic analog signal (10) representing a reflected ultrasonic wave, wherein the ultrasonic analog signal (10) is fed in a parallel manner into at least two signal paths (A;B) and the ultrasonic analog signal is supplied in each signal path (A;B) to respective amplifiers (20A;20B) whose gains are different from one another. The ultrasonic analog signals (11;11′) which have thus been amplified differently are supplied in each signal path (A;B) to a respective A/D converter (30A;30B) which converts the amplified ultrasonic analog signals (11; 11′) into digital ultrasonic data (12;12′), from which a combined digital ultrasonic signal (15) is reconstructed after further processing steps. According to the invention, a decomposition of the digital ultrasonic data (12; 12′) is carried out in each signal path (A;B) by the first level of a wavelet filter algorithm, and the wavelet coefficients are altered by a threshold analysis. A combined digital ultrasonic signal (15) is then reconstructed from the ultrasonic data thus decomposed, wherein an inverse transformation of the combined ultrasonic signal (15) is carried out by the second level of the wavelet filter algorithm with the altered wavelet coefficients. The invention moreover relates to an associated signal processing unit and an ultrasonic inspection device comprising such a signal processing unit.
    • 本发明涉及一种用于处理表示反射超声波的超声模拟信号(10)的方法,其中超声模拟信号(10)以并行方式馈送到至少两个信号路径(A; B)中,超声模拟信号 信号在每个信号路径(A; B)中被提供给其增益彼此不同的各个放大器(20A; 20B)。 在每个信号路径(A; B)中,将相应放大的超声波模拟信号(11; 11')提供给相应的A / D转换器(30A; 30B),该转换器将放大的超声波模拟信号 ')转换成数字超声数据(12; 12'),在进一步的处理步骤之后,重组数字超声信号(15)。 根据本发明,通过小波滤波算法的第一级在每个信号路径(A; B)中进行数字超声波数据(12; 12')的分解,并且通过阈值分析改变小波系数 。 然后,从分解的超声波数据中重构组合的数字超声信号(15),其中组合的超声波信号(15)的逆变换由具有改变的小波系数的小波滤波器算法的第二级执行。 本发明还涉及一种相关联的信号处理单元和包括这种信号处理单元的超声波检测装置。
    • 10. 发明申请
    • Method and device for testing a component having a complex surface contour by means of ultrasound
    • 用于通过超声波测试具有复杂表面轮廓的部件的方法和装置
    • US20060048579A1
    • 2006-03-09
    • US10541313
    • 2004-10-11
    • Wolfgang HaaseGerhard FingerRoman Koch
    • Wolfgang HaaseGerhard FingerRoman Koch
    • G01N29/265
    • G01N29/265G01N29/0645G01N29/225G01N2291/02854G01N2291/101G01N2291/2638
    • The invention relates to a method and a device for testing a structural component having a complex surface contour by means of ultrasound, at least one ultrasonic head (UPK) being guided along the surface contour (OK) of the structural component (BT) by means of a manipulator (MM) having several axial drives (MX, MJ, MZ, MA, MB) in several axes at a defined spacing (A) along the surface contour (OK) of the structural component (BT). To also ensure a high measuring accuracy in structural components which have a complex curved surface contour, it is provided that the axial drives (MX, MJ, MZ, MA, MB) of the manipulator (MM) are synchronously moved along predetermined support points, that a trigger drive (MRT) is controlled in synchronism with the axial drives (MX, MJ, MZ, MA, MB) and moved together with all engaged axial drives according to a predetermined surface line (OL) reproducing the surface contour (OK) and that the trigger drive (MRT) generates equidistant trigger pulses relative to the surface line (OL) of the complex surface contour.
    • 本发明涉及一种用于通过超声测试具有复杂表面轮廓的结构部件的方法和装置,至少一个超声波头(UPK)沿着结构部件(BT)的表面轮廓(OK)被引导 具有沿着结构部件(BT)的表面轮廓(OK)的限定间隔(A)的若干轴的多个轴向驱动器(MX,MJ,MZ,MA,MB)的操纵器(MM)。 为了确保具有复杂曲面轮廓的结构部件中的高测量精度,提供了操纵器(MM)的轴向驱动(MX,MJ,MZ,MA,MB)沿着预定的支撑点同步移动, 与轴向驱动(MX,MJ,MZ,MA,MB)同步地控制触发驱动(MRT),并根据再现表面轮廓(OK)的预定表面线(OL)与所有接合的轴向驱动器一起移动, 并且触发驱动(MRT)相对于复合表面轮廓的表面线(OL)产生等距的触发脉冲。