KR890702050A - Measurement of corrosion by ultrasonic transducers with curved surfaces; Rule-based processing of the whole echo waveform; Preprocessing and transmission of echo waveform information - Google Patents

Measurement of corrosion by ultrasonic transducers with curved surfaces; Rule-based processing of the whole echo waveform; Preprocessing and transmission of echo waveform information

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Publication number
KR890702050A
KR890702050A KR1019890701248A KR890701248A KR890702050A KR 890702050 A KR890702050 A KR 890702050A KR 1019890701248 A KR1019890701248 A KR 1019890701248A KR 890701248 A KR890701248 A KR 890701248A KR 890702050 A KR890702050 A KR 890702050A
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South Korea
Prior art keywords
knowledge
waveform
signal structure
echo
surface portion
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KR1019890701248A
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Korean (ko)
Inventor
엔.코브 웨슬리
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원본미기재
더 스탠다드 오일 캄파니
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Priority claimed from US07/116,767 external-priority patent/US4953147A/en
Priority claimed from US07/116,309 external-priority patent/US4893286A/en
Application filed by 원본미기재, 더 스탠다드 오일 캄파니 filed Critical 원본미기재
Publication of KR890702050A publication Critical patent/KR890702050A/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • 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
    • G01N29/449—Statistical methods not provided for in G01N29/4409, e.g. averaging, smoothing and interpolation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/08—Measuring diameters or related dimensions at the borehole
    • E21B47/085—Measuring diameters or related dimensions at the borehole using radiant means, e.g. acoustic, radioactive or electromagnetic
    • 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
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • 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
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/341—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics
    • G01N29/343—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with time characteristics pulse waves, e.g. particular sequence of pulses, bursts
    • 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
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
    • 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
    • G01N29/42—Detecting the response signal, e.g. electronic circuits specially adapted therefor by frequency filtering or by tuning to resonant frequency
    • 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
    • G01N29/4445—Classification of defects
    • 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
    • G01N29/46—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by spectral analysis, e.g. Fourier analysis or wavelet analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/003—Transmission of data between radar, sonar or lidar systems and remote stations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/22—Fuzzy logic, artificial intelligence, neural networks or the like
    • 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
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
    • 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
    • G01N2291/263—Surfaces
    • G01N2291/2634—Surfaces cylindrical from outside
    • 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
    • G01N2291/263—Surfaces
    • G01N2291/2636—Surfaces cylindrical from inside

Abstract

내용 없음No content

Description

만곡표면부를 가진 초음파 트랜스듀서에 의한 부식의 측정; 전체 에코파형의 법칙기초처리; 에코파형 정보의 전처리 및 전송Measurement of corrosion by ultrasonic transducers with curved surfaces; Rule-based processing of the whole echo waveform; Preprocessing and transmission of echo waveform information

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

본 발명은 아래의 상세한 설명을 읽음으로써 가장 잘 이해될 수 있으며, 도면상 동일한 기호숫자는 동일한 부분을 표시한다. 제1도는 시추공 관상체내에 설치된 공지의 트랜스듀서의 음향특성을 나타내는 평면도이다. 제2도는 본 발명에 의한 트랜스듀서의 음향특성을 나타내는 평면도이다. 제3도는 음향펄스가 부식된 관상체 표면에 가해진 때의 음향 트랜스듀서의 음향특성의 평면도이다.The invention can be best understood by reading the following detailed description, in which like reference numerals designate like parts. 1 is a plan view showing the acoustic characteristics of a known transducer installed in a borehole tubular body. 2 is a plan view showing the acoustic characteristics of the transducer according to the present invention. 3 is a plan view of the acoustic characteristics of an acoustic transducer when acoustic pulses are applied to the corroded tubular surface.

Claims (29)

여진펄스를 발생시키기 위한 여진펄스발생수단과; 상기 여진펄스를 수신하고, 상기 여진펄스에 대응하여 트랜스듀서 표면부로부터 목표표면부를 향하여 음파신호를 발사하기 위한, 표면부를 가지며, 상기 여진 펄스발생수단에 연결되고, 상기 목표표면부가 상기 음파신호의 한 부분을 되돌려 반사하여 주는, 트랜스듀서 수단을 구비하여 이루어지고, 상기 목표표면부가 물리적 결합을 갖고 있지 않은 때에는, 상기 음파신호의 파동이 상기 트랜스듀서 표면부로부터 목표표면부까지 실질적으로 동일한 길이의 경로를 이동하도록 상기 트랜스듀서 표면부가 윤곽이 맞추어진, 음파기록장치.Excitation pulse generating means for generating an excitation pulse; A surface portion for receiving the excitation pulse and for emitting a sound wave signal from a transducer surface portion toward a target surface portion corresponding to the excitation pulse, connected to the excitation pulse generating means, wherein the target surface portion of the sound wave signal When the target surface portion does not have a physical coupling, when the target surface portion does not have a physical coupling, the wave of the sound wave signal has a substantially equal length from the transducer surface portion to the target surface portion. A sound recording device, wherein the transducer surface is contoured to travel a path. 제1항에 있어서, 상기 트랜스듀서 표면부의 윤곽이 원통의 한 부분을 포함하여 이루어지는, 음향 로깅장치.The acoustic logging device of claim 1, wherein the contour of the transducer surface portion comprises a portion of a cylinder. 제1항에 있어서, 상기 목표 표면부로부터 귀환된 음파에너지를 수신하고 에코의 높이, 넓이 및 시간상의 상대적 위치를 포함하는 전체에코파형을 발생시키기 위한 전체에코파형 발생수단과; 상기 목표표면부의 상태를 측정하기 위하여 상기 전체 에코파형을 분석하기 위한 분석수단을 추가로 구비하여 이루어지는, 음향로깅장치.2. The apparatus according to claim 1, further comprising: total echo waveform generating means for receiving sound wave energy returned from the target surface portion and generating a total echo waveform including a height, a width, and a relative position in time of the echo; And an analysis means for analyzing the entire echo waveform to measure the state of the target surface portion. 제3항에 있어서, 상기 분석수단이 상기 목표표면부의 상태를 측정하기 위하여 상기 에코의 높이, 넓이 및 위치를 분석하기 위한 법칙-기초 엑스퍼트 시스템을 포함하는, 음향로깅장치.4. The acoustic logging apparatus according to claim 3, wherein said analysis means includes a law-based expert system for analyzing the height, width, and position of said echo to measure the state of said target surface portion. (ⅰ) 파형 특징 데이터와; (ⅱ) 상기 파형 특징 데이터 및 그것이 형성되어져 온 방법과 관계있는 제약조건을 저장하기 위한 전자블랙보오드와; 파형내의 혼동신호구조에 관계가 있는 지식을 가지는 제1지식쏘스와; 파형내의 정보신호구조와 관계있는 지식쏘스를 포함하고 있어서, 상기 파형 특징 데이터의 항목들이 혼동 신호구조로서 아니면 정보신호 구조로서 적어도 임시적으로 식별되는 제2지식 쏘스와; 물리적 환경에서 파동에너지의 작용과 관계있는 지식을 포함하고 있어서 상기 파형 특징 데이터의 항목들의 혼동 신호구조로서의 아니면 정보신호구조로서의 적어도 임시적인 식별이 상기 물리적 환경의 성질을 적어도 임시적으로 판단하는데 기여하는 제3지식 쏘스와; 상기 제1 및 제2지식 쏘스내의 지식을 상기 파형 특징 데이터의 항목들의 식별 또는 임시적인 식별에 적용하는데 관계가 있는 지식을 포함하고 있어서, 상기 제1 및 제2지식 쏘스내의 지식의 제거용이 제어되는 제4지식 쏘스를 포함하여 이루어지는, 파형의 시간-영역분석을 위한 엑스퍼트 시스템.(Iii) waveform characteristic data; (Ii) an electronic blackboard for storing constraints relating to the waveform characteristic data and the method in which it has been formed; A first knowledge source having knowledge related to the confusion signal structure in the waveform; A second knowledge source comprising a knowledge source associated with an information signal structure in a waveform, wherein said items of waveform feature data are at least temporarily identified as a confusion signal structure or as an information signal structure; Knowledge that relates to the action of wave energy in the physical environment, such that at least a temporary identification as a confusion signal structure or information signal structure of the items of the waveform characteristic data contributes to at least temporarily determining the nature of the physical environment. 3 knowledge sources; Knowledge relating to applying knowledge in the first and second knowledge sources to the identification or temporary identification of items of the waveform feature data, wherein removal of the knowledge in the first and second knowledge sources is controlled. An expert system for time-domain analysis of waveforms, comprising a fourth knowledge source. 시간-영역 파형 특징 데이터를 저장하기 위한 전자블랙보오와; 상기 시간-영역 파형 특징 데이터에 선택적으로 대응하기 위해 그리고 상기 시간-영역 파형 특징 데이터를 대체적으로 수정하기 위하여 실행된 법칙들을 포함하는 절차적 지식 베이스를 구비하여 이루어지고 시간-영역파형의 분석을 위한 엑스퍼트 시스템.An electronic blackbo for storing time-domain waveform feature data; A procedural knowledge base comprising laws implemented to selectively correspond to the time-domain waveform feature data and to modify the time-domain waveform feature data generally; and for analysis of time-domain waveforms. Expert System. 제6항에 있어서, 상기 절차적 지식 베이스가 복수의 지식쏘스를 포함하는 시간-영역 파형의 분석을 엑스퍼트 시스템.8. The expert system of claim 6, wherein said procedural knowledge base comprises a plurality of knowledge sources. 제7항에 있어서, 상기 지식쏘스가, 파형내의 혼동신호구조와 관계있는 지식을 포함하는 제1지식 쏘스와; 파형내의 정보신호 구조와 관계있는 지식을 포함함으로써, 상기 파형 특징 데이터의 항목들이 혼동을 일으키는 신호구조로서 아니면 정보시호 구조로서 적어도 임시적으로 식별되는 제2지식쏘스를 포함하여 이루어지는, 시간-영역 파형의 분석을 위한 엑스퍼트 시스템.8. The apparatus of claim 7, wherein the knowledge source comprises: a first knowledge source comprising knowledge related to the confusion signal structure in the waveform; By including knowledge related to the information signal structure in the waveform, the items of waveform characteristic data comprise a second knowledge source which is at least temporarily identified as a confusing signal structure or as an information signal structure. Expert system for analysis. 제8항에 있어서, 상기 제1지식 쏘스가 물리적 구조내에서 잔향하는 파동에너지에 의해 형성된 다중 구조를 포함하는 혼동신호구조에 관계있는 지식을 가지며; 상기 제2지식 쏘스는 상기 물리적 구조의 평활한 그리고/또는 거친 표면부에 의해 형성된 파동 에너지 에코를 포함하는 정보신호구조에 관계있는 지식을 가지는, 시간-영역 파형의 분석을 위한 엑스퍼트시스템.9. The method of claim 8, wherein said first knowledge source has knowledge relating to a confusion signal structure comprising multiple structures formed by reverberant wave energies in a physical structure; And said second knowledge source has knowledge relating to an information signal structure comprising wave energy echoes formed by smooth and / or rough surface portions of said physical structure. 제8항에 있어서, 상기 제1지식 쏘스가 물리적 구조의 평활한 그리고/또는 거친 표면에 의해 형성된 파동 에너지 에코를 포함하는 혼동신호구조와 관계있는 지식을 가지며, 상기 제2지식 쏘스는 상기 물리적 구조내에서 잔향하는 파동 에너지에 의해 형성된 다중구조를 포함하는 정보 신호구조와 관계있는 지식을 가지는, 시간-영역 파형의 분석을 위한 엑스퍼트 시스템.10. The method of claim 8, wherein said first knowledge source has knowledge associated with a confusion signal structure comprising wave energy echoes formed by smooth and / or rough surfaces of a physical structure, said second knowledge source having said physical structure. An expert system for analysis of time-domain waveforms having knowledge related to information signal structures comprising multiple structures formed by reverberant wave energies therein. 제8항에 있어서, 상기 지식 베이스가 물리적환경 내의 파동 에너지의 작용과 관계있는 지식을 가지는 제3지식 쏘스를 포함하여 이루어져서, 항목들의 적어도 임시적인 식별이 상기 물리적 환경이 성질을 적어도 임시적으로 판단하는데 기여하는, 시간-영역 파형의 분석을 위한 엑스퍼트 시스템.9. The method of claim 8, wherein the knowledge base comprises a third knowledge source having knowledge related to the action of wave energy in the physical environment, such that at least temporary identification of the items causes the physical environment to at least temporarily determine its properties. Expert system for the analysis of time-domain waveforms. 제8항에 있어서, 상기 지식 베이스가 상기 제1 및 제2지식 쏘스 내의 지식을 상기 파형특징 데이터의 항목들을 적어도 임시적으로 식별하는데 적용하는 것과 관련있는 지식을 포함하는 제4지식 쏘스를 더 포함하여 이루어짐으로써, 상기 제1 및 제2지식 쏘스내의 지식의 작용이 제어되는,9. The method of claim 8, further comprising a fourth knowledge source comprising knowledge associated with applying the knowledge in the first and second knowledge sources to at least temporarily identifying items of the waveform feature data. Whereby the action of knowledge in the first and second knowledge sources is controlled, 제8항에 있어서, 상기 전자블랙보오드가 상기 파형 특징 데이터와 관계가 있고 상기 파형 특징 데이터가 형성되어져 온 방법에 관계가 있는 제약조건들을 더 저장함으로써, 상기 제1 및 제2지식 쏘스가 상기 파형 특징 데이터의 상기 항목들의 적어도 임시적인 식별에 안내되는, 시간-영역파형의 분석을 위한 엑스퍼트시스템.9. The method of claim 8, wherein the first and second knowledge sources are configured to further store constraints that are related to the waveform characteristic data and to how the waveform characteristic data has been formed. An expert system for analysis of a time-domain waveform, guided to at least temporary identification of the items of feature data. 목표표면부를 향하여 음파펄스를 발사하는 단계와; 상기 목표표면부로부터 상기 음파펄스의 에코를 수신하는 단계로 이루어지고; 상기 음파펄스의 파형들이, 목표표면부가 물리적인 결함을 갖고 있지 않은때; 상기 목표를 왔다 갔다 하는 실질적으로 동일한 길이의 경로들을 이동하는, 목표 표면부의 상태를 측정하는 방법.Firing sound wave pulses toward a target surface portion; Receiving an echo of the sound wave pulses from the target surface portion; When the waveforms of the sound wave pulses do not have a physical defect in a target surface portion; A method of measuring the condition of a target surface portion traveling through substantially equal lengths of path back and forth between the targets. 제14항에 있어서, 시간 영역내의 상기 음파펄스 에코를 설명하는 전체 에코파형 데이터를 송신하는 단계와; 전자질판에 상기의 송신된 전체 에코 파형 데이터를 저장하는 단계와; 목표 표면부의 상태에 관하여 결론에 도달하기 위해 상기 전제 에코파형 데이터를 편의주의적으로 분석하기 위하여 법칙을 화이어하는 단계를 더 포함하는, 목표 표면부 상태를 측정하는 방법.15. The method of claim 14, further comprising: transmitting full echo waveform data describing the sonic pulse echo in a time domain; Storing the transmitted total echo waveform data on an electronic plate; And firing a law to conveniently and conveniently analyze the premise echo waveform data to reach a conclusion about the state of the target surface portion. 제15항에 있어서, 상기 화이어 스텝이 혼동신호구조 인디케이터의 존재 또는 부존재를 탐지하는 단계와; 상기 혼동신호구조 인디케이터가 탐지된 상태에서 정보 신호 구조가 만일 있다면 그것으로부터 혼동신호구조를 구분하는 단계와; 상기 정보신호구조가 만일 있다면 그것을 실행하는 단계를 포함하여 이루어지고, 그들 단계가 편의주의적으로 실행되는, 목표표면부의 상태를 측정하는 방법.16. The method of claim 15, further comprising the steps of: detecting a presence or absence of a confusion signal structure indicator; Distinguishing the confusion signal structure from the information signal structure if it is present in the state where the confusion signal structure indicator is detected; And if said information signal structure is present, including executing it, and wherein said step is carried out conveniently. 제15항에 있어서, 상기 탐지단계가 상기 전체 에코파형내의 모든 다른 에코의 미리 정해진 배수의 크기를 초과하는 하나의 에코의 존재 도는 부존재를 탐지하는 것을 포함하는, 목표 표면부 상태를 측정하는 방법.16. The method of claim 15, wherein said detecting step comprises detecting the presence or absence of one echo exceeding a magnitude of a predetermined multiple of all other echoes in the overall echo waveform. 제15항에 있어서, 상기화이어 스템이 목표표면부가 위치하는 물리적 환경내의 음파특성에 관계가 있는 지식을 상기 전체 에코파형 데이터에 적용하는 단계와; 목표표면부의 상태에 관하여 그들로부터 결론을 형성하는 단계를 포함하여 이루어지고, 그들 단계가 편의주의적으로 실행되는, 목표 표면부의 상태를 측정하는 방법.16. The method of claim 15, further comprising: applying, by the Fire stem, knowledge related to sound wave characteristics in a physical environment in which a target surface is located to the total echo waveform data; And forming a conclusion from them with respect to the state of the target surface portion, wherein the steps are performed conveniently. 제18항에 있어서, 사람의 지각(perception)을 위해 상기 결론을 디스플레이하는 단계를 더 포함하여 이루어지는, 목표표면부의 상태를 측정하는 방법.19. The method of claim 18, further comprising displaying the conclusion for human perception. 제15항에 있어서, 상기 송신단계의 이전 또는 이후에 수행되는, 에코위치 높이 및 넓이의 추출단계를 포함하여 이루어지는, 목표표면부의 상태를 측정하는 방법.The method according to claim 15, comprising the step of extracting the echo position height and the area, which is performed before or after the transmitting step. 제20항에 있어서, 상기 추출단계후에 수행되고, 상기 송신단계의 이전 또는 이후에 수행되는 단계로서, 그것의 추출단계 특징들이 목표표면부가 미리 결정된 상태임을 표기하는 에코에 관계되는 데이터의 기록을 선별(screen)하는 관계를 더 포함하여 이루어지는, 목표표면부의 상태를 측정하는 방법.21. The recording method according to claim 20, wherein the extraction step is performed after the extraction step and before or after the transmission step, wherein the extraction step characteristics are recorded for data relating to an echo indicating that the target surface portion is in a predetermined state. A method for measuring the state of the target surface portion, further comprising a screening relationship. 실질적으로 편의주의적으로 실행되는 단계들로서, 목표표면부에 향하여 음파펄스를 발사하는 단계와; 목표표면부가 물리적 결함이 없는 때, 목표표면부를 왔다갔다 하는 실질적으로 동일한 길이의 경로를 상기 음파펄스의 파동이 이동하는 상기 목표로부터의 상기 음파펄스의 에코를 수신하는 단계와; 시간영역내의 상기 음파펄스 에코를 설명하는 전체에코파형 데이터를 송신하는 단계와; 상기의 송신된 전체에코 파형데이터를 전자브랙보오드에 저장하는 단계와; 혼동신호구조 인디케이터의 존재 또는 부존재를 탐지하는 단계와; 상기 혼동신호구조 인디케이터의 존재가 탐지된 상태에서, 정보신호 구조가 만일 존재한다면 그것으로부터 혼동신호구조를 구별하는 단계와; 상기 정보신호구조가 만일 있다면 그것을 식별하는 단계와; 목표표면부가 위치한 물리적 환경내의 음파 특성에 관계가 있는 지식을 상기 신호구조에 적용하는 단계와; 상기한 지식의 적용으로부터, 목표표면부의 상태에 관한 결론을 형성하는 단계와; 사람의 지각을 위해 상기 결론을 디스플레이 하는 단계로 이루어지는, 목표표면부의 상태를 측정하는 방법.Steps that are substantially conveniently performed, comprising: firing sound wave pulses toward a target surface portion; When the target surface portion is free of physical defects, receiving an echo of the acoustic wave pulses from the target through which waves of the acoustic pulses travel in substantially equal lengths of path back and forth between the target surface portions; Transmitting all echo waveform data describing the sonic pulse echo in a time domain; Storing the transmitted entire echo waveform data in an electronic brick board; Detecting the presence or absence of a confusion signal structure indicator; Distinguishing the confusion signal structure from the presence of the confusion signal structure indicator if it exists; Identifying the information signal structure, if any; Applying knowledge related to sound wave characteristics in a physical environment in which a target surface is located to the signal structure; From the application of said knowledge, forming a conclusion concerning the state of the target surface portion; Displaying the conclusion for the perception of the person. 내에 혼동신호구조의 존재 또는 부존재를 확인하는 단계와; 상기 혼동신호구조 인디케이터의 존재가 확인된 상태에서, 정보신호구조가 만일 있다면 그것으로부터 혼동신호구조를 구별하는 단계와; 정보신호구조가 만일 있다면 그것을 식별하는 단계를 포함하여 이루어지고, 그 각 단계는 편의주의적으로 실행되는, 시간-영역 파형의 엑스퍼트 분석방법.Identifying the presence or absence of a confusion signal structure within; Distinguishing the confusion signal structure from the presence of the confusion signal structure indicator if there is an information signal structure; An information signal structure, if any, comprising identifying and if each step is performed conveniently. 제23항에 있어서, 목표매체가 위치하고 있는 물리적 환경내의 음파특성에 관계있는 지식을 적용하는 단계와; 상기한 지식의 적용으로부터, 목표매체의 상태에 관한 결론을 형성하는 단계를 더 포함하여 이루어지고, 이들 단계가 편의주의적으로 실행되는, 시간-영역파형의 엑스퍼트 분석방법.24. The method of claim 23, further comprising: applying knowledge relating to sonic characteristics in the physical environment in which the target medium is located; From the application of said knowledge, further comprising forming conclusions about the state of the target medium, wherein these steps are conveniently performed. 제24항에 있어서, 사람의 지각을 위해 상기 결론을 디스플레이 하는 단계를 더 포함하여 이루어지는, 시간-영역파형의 엑스퍼트 분석방법.25. The method of claim 24, further comprising displaying the conclusion for human perception. 제23항에 있어서, 상기 확인단계가, 그 강도가 파형내의 다른 모든 에코의 강도의 미리 정해진 배수를 초과하는 에코의 존재 또는 부존재를 확인하는 단계를 포함하여 이루어지는, 시간-영역파형의 엑스퍼트 분석방법.24. The method of claim 23, wherein said identifying step comprises identifying the presence or absence of an echo whose intensity exceeds a predetermined multiple of the intensity of all other echoes in the waveform. . 혼동 신호구조의 존재 또는 부존재를 확인하는 단계와; 상기 혼동신호구조 인디케이터의 존재가 확인된 상태에서, 정보신호구조가 만일 있다면 그것으로부터 혼동신호구조를 구별하는 단계와; 정보신호구조가 만일 있다면 그것을 식별하는 단계와; 목표매체가 위치한 물리적 환경내의 파동특성에 관계있는 지식을 상기 신호구조에 적용하는 단계와; 상기한 지식의 적용으로부터의 상기 목표매체에 상태에 관한 결론을 형성하는 과정과; 사람의 지각을 위해 상기 결론을 디스플레이하는 단계를 포함하여 이루어지고, 이들 단계는 편의주의적으로 실행되는, 시간-영역파형의 엑스퍼트 분석방법.Identifying the presence or absence of confusion signal structures; Distinguishing the confusion signal structure from the presence of the confusion signal structure indicator if there is an information signal structure; Identifying the information signal structure, if any; Applying knowledge relating to the wave characteristics in the physical environment in which the target medium is located to the signal structure; Forming a conclusion about the state on the target medium from the application of said knowledge; And displaying said conclusions for human perception, wherein these steps are performed conveniently. 에코파형을 이진수화하는 단계와; 상기 에코파형의 진폭을 검출하는 단계와; 재순환기억장치에 위의 이진수화된 에코파형을 계속적으로 저장하는 단계와; 상기 재순환기억장치에 저장된 정보를 상기 에코파형의 검출된 진폭이 미리 정해진 쓰레쏠드를 넘어서는 후에 동결하는 단계와; 상기한 음파발사 그리고 상기의 미리 정해진 쓰레솔드를 상기 에코파형의 상기 검출된 진폭이 넘어서는 것 사이의 시간 지연을 측정하는 단계와; 상기 측정단계에서 측정된 지연을, 상기 동결 단계에 의해 상기 재순환 기억장치에 동결된 파형정보를 멀티플렉싱하여 상기 멀티플렉싱된 지연과 정보가 전송될 수 있는 단계를 포함하여 이루어지는, 목표 표면부로부터 반사된 음파의 에코로부터 유도된 에코파형 정보의 전처리 및 전송방법.Binarizing the echo waveform; Detecting an amplitude of the echo waveform; Continuously storing the binarized echo waveforms in a recycle memory; Freezing the information stored in the recirculation memory after the detected amplitude of the echo waveform exceeds a predetermined threshold; Measuring a time delay between the sonic emission and the predetermined threshold above the detected amplitude of the echo waveform; And the multiplexed delay and information transmitted by the freezing step to multiplex the frozen waveform information by the freezing step, so that the multiplexed delay and information can be transmitted. A method for preprocessing and transmitting echo waveform information derived from echoes of a. 에코파형을 단극파형으로 변환시키는 단계와; 상기 단극파형을 평활화함으로써 평활화된 단극파형이 형성되는 단계와; 상기 평활화된 단극파형을 압축함으로써, 압축되고 평활화된 단극파형이 형성되는 단계와, 상기 압축되고 평활화된 단극파형을 이진수화함으로써, 이진수화된 파형이 형성되는 단계 상기 이진수화된 파형을 저장함으로써 상기 이진수화된 파형이 전송될 수 있는 단계를 포함하여 이루어지는, 목표표면부로부터 반사된 음파의 에코로부터 추론된 에코파형 정보의 전처리 및 송신방법.Converting the echo waveform into a monopolar waveform; Smoothing the monopolar waveform to form a smoothed monopolar waveform; Compressing the smoothed monopolar waveform to form a compressed and smoothed monopolar waveform; and binarizing the compressed and smoothed monopolar waveform to form a binary waveform. A method of preprocessing and transmitting echo waveform information inferred from echoes of sound waves reflected from a target surface portion, comprising the step of transmitting a binarized waveform. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890701248A 1987-11-04 1988-11-04 Measurement of corrosion by ultrasonic transducers with curved surfaces; Rule-based processing of the whole echo waveform; Preprocessing and transmission of echo waveform information KR890702050A (en)

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US07/116,767 US4953147A (en) 1987-11-04 1987-11-04 Measurement of corrosion with curved ultrasonic transducer, rule-based processing of full echo waveforms
US116,767 1987-11-04
US116,309 1987-11-04
US07/116,309 US4893286A (en) 1987-11-04 1987-11-04 System and method for preprocessing and transmitting echo waveform information
PCT/US1988/003928 WO1989004497A1 (en) 1987-11-04 1988-11-04 Measurement of corrosion with curved ultrasonic transducer; rule-based processing of full echo waveforms; preprocessing and transmitting echo waveform information

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