JP4074664B2 - 非破壊分類のための方法および装置 - Google Patents

非破壊分類のための方法および装置 Download PDF

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Publication number
JP4074664B2
JP4074664B2 JP50365198A JP50365198A JP4074664B2 JP 4074664 B2 JP4074664 B2 JP 4074664B2 JP 50365198 A JP50365198 A JP 50365198A JP 50365198 A JP50365198 A JP 50365198A JP 4074664 B2 JP4074664 B2 JP 4074664B2
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wood
resonance frequency
vibration
impact
mode
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Expired - Fee Related
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JP50365198A
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Japanese (ja)
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JP2002511921A (ja
JP2002511921A5 (enExample
Inventor
ラルソン，ダニエル
オールソン，スベン
ペルストルパー，ミカエル
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ダイナリーゼ エービー
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M7/00—Vibration-testing of structures; Shock-testing of structures
    • G01M7/08—Shock-testing
    • 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
    • G01N29/045—Analysing solids by imparting shocks to the workpiece and detecting the vibrations or the acoustic waves caused by the shocks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/46—Wood
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/06—Indicating or recording means; Sensing means
    • G01N2203/0617—Electrical or magnetic indicating, recording or sensing means
    • G01N2203/0623—Electrical or magnetic indicating, recording or sensing means using piezoelectric gauges
    • 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
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/014—Resonance or resonant frequency
    • 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
    • G01N2291/023—Solids
    • G01N2291/0238—Wood
    • 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
    • G01N2291/042—Wave modes
    • G01N2291/0427—Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantilever
    • 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
    • G01N2291/262—Linear objects
    • 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
    • G01N2291/2632—Surfaces flat

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  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Wood Science & Technology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
JP50365198A 1996-06-17 1997-06-17 非破壊分類のための方法および装置 Expired - Fee Related JP4074664B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9602374A SE511602C2 (sv) 1996-06-17 1996-06-17 Förfarande jämte anordning för oförstörande klassificering av företrädesvis långsträckta och/eller skivformade objekt
SE9602374-2 1996-06-17
PCT/SE1997/001090 WO1998001737A1 (en) 1996-06-17 1997-06-17 Method and arrangement for nondestructive classification

Publications (3)

Publication Number Publication Date
JP2002511921A JP2002511921A (ja) 2002-04-16
JP2002511921A5 JP2002511921A5 (enExample) 2004-12-09
JP4074664B2 true JP4074664B2 (ja) 2008-04-09

Family

ID=20403025

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50365198A Expired - Fee Related JP4074664B2 (ja) 1996-06-17 1997-06-17 非破壊分類のための方法および装置

Country Status (10)

Country Link
US (1) US6347542B1 (enExample)
EP (1) EP0906560B1 (enExample)
JP (1) JP4074664B2 (enExample)
AT (1) ATE303588T1 (enExample)
AU (1) AU720772B2 (enExample)
CA (1) CA2258514C (enExample)
DE (1) DE69734106T2 (enExample)
NZ (1) NZ333450A (enExample)
SE (1) SE511602C2 (enExample)
WO (1) WO1998001737A1 (enExample)

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US6769306B2 (en) 1998-12-17 2004-08-03 Carter Holt Harvey Limited Log cutting procedures
NZ333434A (en) * 1998-12-17 1999-10-28 Carter Holt Harvey Ltd Determining log length by passing ultrasonic signal through log, and using length information to determining cut positions
JP2002544481A (ja) * 1999-05-11 2002-12-24 リン、フランク 材料検査デバイス
EP1208375A4 (en) * 1999-07-30 2007-04-18 Fibre Gen Instr Ltd DEVICE FOR CHECKING TREE BARS
NZ503953A (en) * 2000-04-12 2002-12-20 Carter Holt Harvey Ltd Apparatus and method for estimating timber stiffness profiles of a log by determining the density profile of a cant
NZ505896A (en) * 2000-07-21 2003-05-30 Ind Res Ltd Method and apparatus for assessing or predicting characteristics of wood or other materials by varying frequency of acoustic transmitter and sensing a response
US6507798B1 (en) * 2000-10-12 2003-01-14 The United States Of America As Represented By The Secretary Of The Navy Time-frequency dependent damping via Hilbert damping spectrum
FR2820204B1 (fr) * 2001-01-29 2005-02-25 Casagrande Stephanie Delph Bos Procede d'evaluation et de controle non destructif de la qualite de panneaux
US7043990B2 (en) * 2001-01-31 2006-05-16 Board Of Control Of Michigan Technological University System for and method of performing evaluation techniques on a log or round timber
TW509782B (en) * 2001-11-20 2002-11-11 Taiwan Forestry Res Inst Nondestructive testing technique for wood stress wave
TWI225152B (en) * 2003-01-29 2004-12-11 Taiwan Forestry Res Inst Method for non-destructive stress wave testing of wood
US20040173031A1 (en) * 2003-03-06 2004-09-09 Shlomo Gicza Mass flow measurement
GB2403338B (en) * 2003-06-24 2005-11-23 Aicom Ltd Resonance and/or vibration measurement device
US7066007B2 (en) * 2003-10-17 2006-06-27 Eyerhaeuser Company Systems and methods for predicting the bending stiffness of wood products
US6990436B1 (en) * 2003-11-28 2006-01-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Computing frequency by using generalized zero-crossing applied to intrinsic mode functions
EP2104154B1 (en) * 2004-04-27 2015-06-03 NGK Insulators, Ltd. Piezoelectric/electrostrictive actuator inspection method and amount of displacement prediction program
NZ536818A (en) * 2004-11-24 2007-05-31 Carter Holt Harvey Ltd Tree stem or log appraising apparatus
EP1910820A1 (en) * 2005-07-15 2008-04-16 A-Sort AB Means and method for classifying logs
US7430914B2 (en) * 2005-09-16 2008-10-07 Mitsui Babcock (Us) Llc Vibration analyzing device
US7676953B2 (en) * 2006-12-29 2010-03-16 Signature Control Systems, Inc. Calibration and metering methods for wood kiln moisture measurement
US20080295602A1 (en) * 2007-06-01 2008-12-04 Gavin Wallace Method and System for Sorting Green Lumber
JP4875589B2 (ja) * 2007-11-01 2012-02-15 本田技研工業株式会社 パネルの検査装置及び検査方法
US8204698B2 (en) * 2009-08-20 2012-06-19 United States Gypsum Company Method for determining structural parameters of composite building panels
US8566041B2 (en) * 2009-08-20 2013-10-22 United States Gypsum Company Method for determining structural parameters of composite building panels
IT1398908B1 (it) * 2010-03-03 2013-03-21 Microtec Srl Metodo ed apparecchiatura per la determinazione della frequenza propria di tavole di legno
US9068902B2 (en) * 2011-05-13 2015-06-30 Fisher Controls International Llc Methods and apparatus for evaluating vibration resistance of a component of a fluid control valve
CA2890124C (en) * 2012-11-01 2021-06-15 Sp Sveriges Tekniska Forskningsinstitut Ab Method and system for automatic determination of timber quality in frozen or unfrozen condition
US9134212B2 (en) * 2013-07-08 2015-09-15 The Boeing Company Modal impact testing assembly, system and method
US9383341B2 (en) * 2013-10-29 2016-07-05 Metriguard Inc. Sonic lumber tester
JP7295242B2 (ja) 2018-12-21 2023-06-20 テーエムデー フリクション サービシス ゲーエムベーハー 試験対象物の機械的特性を求めるための装置及び方法
WO2020153848A1 (en) * 2019-01-25 2020-07-30 Brookhuis Applied Technologies B.V. Automated grading of elongated wooden objects
CN109682458B (zh) * 2019-03-05 2024-05-10 重庆克来智能科技有限公司 一种检测机床及其用于检测零件固有频率的装置
WO2021178453A1 (en) * 2020-03-02 2021-09-10 Usnr, Llc Acoustic evaluation of wood properties
EP4227662A1 (en) * 2022-02-14 2023-08-16 GrindoSonic BV Improved positioning table for impact excitation measurements
FR3136857A1 (fr) * 2022-06-16 2023-12-22 Safran Ceramics Procede de mesure du module de rigidite axial d’une eprouvette en materiau composite a matrice ceramique

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Also Published As

Publication number Publication date
SE9602374L (sv) 1997-12-18
ATE303588T1 (de) 2005-09-15
SE9602374D0 (sv) 1996-06-17
CA2258514A1 (en) 1998-01-15
NZ333450A (en) 2002-11-26
DE69734106T2 (de) 2006-03-16
EP0906560B1 (en) 2005-08-31
EP0906560A1 (en) 1999-04-07
DE69734106D1 (de) 2005-10-06
WO1998001737A1 (en) 1998-01-15
AU3282497A (en) 1998-02-02
AU720772B2 (en) 2000-06-08
US6347542B1 (en) 2002-02-19
JP2002511921A (ja) 2002-04-16
CA2258514C (en) 2005-03-29
SE511602C2 (sv) 1999-10-25

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