KR880000877A - 초음파 신호 프로세싱 시스템과 플로우 표시를 결정하는 방법 - Google Patents

초음파 신호 프로세싱 시스템과 플로우 표시를 결정하는 방법 Download PDF

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KR880000877A
KR880000877A KR1019870006341A KR870006341A KR880000877A KR 880000877 A KR880000877 A KR 880000877A KR 1019870006341 A KR1019870006341 A KR 1019870006341A KR 870006341 A KR870006341 A KR 870006341A KR 880000877 A KR880000877 A KR 880000877A
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South Korea
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signal
transducer
test
control device
flow
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KR1019870006341A
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다렐 노팅검 로우렌스
엘스워드 마이클 토마스
엠몬즈 마이클 제니퍼
Original Assignee
제이. 에이취. 후크
웨스팅하우스 일렉트릭 코오포레이숀
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Publication of KR880000877A publication Critical patent/KR880000877A/ko

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/38—Detecting the response signal, e.g. electronic circuits specially adapted therefor by time filtering, e.g. using time gates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4454—Signal recognition, e.g. specific values or portions, signal events, signatures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2693—Rotor or turbine parts

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

내용 없음

Description

초음파 신호 프로세싱 시스템과 플로우 표시를 결정하는 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 부분품의 블록도. 제2도는 제1의 타이밍 제어장치(26)의 상세도. 제2B 및 2C도는 제2A도에서 스테이트 카운터(54)의 출력과 데이터 및 제어 버스(30)의 타이밍 다이아그램. 제3도는 펄스제어장치(28)의 상세도.

Claims (2)

  1. 제어 프로세서(10), 상기 제어프로세서(10)에 대해 연결되고 윈도우 신호를 포함하는 타이밍 제어 신호를 발생하는 타이밍 제어장치(26), 상기 타이밍 제어 장치(26)에 의해서 제어되고 연결되는 펄스 제어장치(28), 상기 펄스 제어장치(28)에 의해서 제어되고 연결되는 검사 변환기(20), 상기 검사변환기(20)에 연결되고 상기 검사변환기(20)의 위치를 생산하는 리졸버(24). 상기 타이밍 제어장치(26)와 상기 검사 변환기(22)에 연결되고, 윈도우 신호에 의존하여 수신된 신호를 감쇠하는 아날로그 멀티 플렉서(32), 상기 아날로그 멀티플렉서(32)에 연결되고 감쇠된 수신신호를 계수화 하는 계수기(34)로 구성되는 초음파 신호 프로세싱 시스템에 있어서, 상기 계수기(34), 상기 타이밍 제어장치(26)와 상기 리졸버에 연결되는 다수의 플로우게이트(36-42) 각각은 범위 오프셋에 따라서 한계 파형을 이동하고 스토어된 계수화 수신 신호를 이동된 한계 파형과 비교하고 계수화 수신 신호가 한계 파형보다 클 때 플로우 표시를 발생함으로써 계수화 감쇠된 수신신호, 윈도우 신호증의 하나에 따라서 스토어 및 프로세스하고, 상기 제어 프로세서(10)는 상기 검사 변환기(20)에 의해서 주사의 단부에서 플로우 표시와 대응하는 위치를 검색하고 위치로부터 플로우 장소에 플로우 표시를 결정하는 것을 특징으로 하는 초음파 신호 프로세싱 시스템.
  2. 검사 변환기와 범위 변환기를 이용하여 검사된 물질에서 플로우 표시를 결정하는 방법은, (a) 어떤 위치에서 범위 변환기로부터 물질의 범위 오프셋을 얻는 것(174), (b) 상기 위치에서 검사신호를 발생하기 위해서 검사 변환기를 작동하는 것(166), (c) 디지탈 귀환 신호 샘플 파형을 발생하기 위해서 샘플 윈도우 동안데 귀환 검사 신호를 샘플하는 것(168), 으로 구성됨, (d) 범위 오프셋을 이용하는 디지탈 귀환 신호 샘플 파형을 이동하는 것(176), (e) 한계 파형 이상으로 이동된 귀환 신호 샘플파형의 익스커션의 피크 진폭과 피크 시간을 스토어 하는 것(178), (f) 다른 위치에서 (b)-(f)단계를 반복하는 것, (g) 플로우위치 결정 장치에 대해 피크진폭, 피크 시간과 위치를 전송하는 것(190)을 특징으로 하는 플로우 표시를 결정하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870006341A 1986-06-26 1987-06-22 초음파 신호 프로세싱 시스템과 플로우 표시를 결정하는 방법 KR880000877A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/878,817 US4803638A (en) 1986-06-26 1986-06-26 Ultrasonic signal processing system including a flaw gate
US878817 2001-06-11

Publications (1)

Publication Number Publication Date
KR880000877A true KR880000877A (ko) 1988-03-30

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Country Status (7)

Country Link
US (1) US4803638A (ko)
EP (1) EP0251697A3 (ko)
JP (1) JPS638553A (ko)
KR (1) KR880000877A (ko)
CN (1) CN1010982B (ko)
CA (1) CA1272524A (ko)
IN (1) IN167557B (ko)

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Also Published As

Publication number Publication date
US4803638A (en) 1989-02-07
EP0251697A2 (en) 1988-01-07
EP0251697A3 (en) 1990-02-14
JPS638553A (ja) 1988-01-14
IN167557B (ko) 1990-11-17
CN87104401A (zh) 1988-04-27
CN1010982B (zh) 1990-12-26
CA1272524A (en) 1990-08-07

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