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    • 1. 发明申请
    • ULTRASONIC STRESS MEASUREMENT METHOD AND DEVICE
    • 超声压力测量方法和装置
    • US20100162817A1
    • 2010-07-01
    • US12646223
    • 2009-12-23
    • Nobuo HARAYohei TakechiYutaka Omori
    • Nobuo HARAYohei TakechiYutaka Omori
    • G01N29/14
    • G01N29/12G01N29/221G01N2291/02827G01N2291/044
    • The present invention relates to an ultrasonic stress measurement method of measuring a residual stress of a measuring target layer in a measuring object using an ultrasonic wave, the method comprising, setting a plurality of vibration modes according to a number of degree of freedom of the measuring target layer in the measuring object, performing, for each vibration mode, a measurement operation of emitting an ultrasonic wave corresponding to the set vibration mode to the measuring target layer, receiving the ultrasonic wave reflected by the measuring target layer, and measuring an eigenfrequency of the measuring target layer, and measuring the residual stress of the measuring target layer based on plural measurement data of the eigenfrequency with respect to each vibration mode obtained by the measurement operation. The residual stress of the measuring object thus can be measured at higher accuracy.
    • 超声波应力测定方法技术领域本发明涉及使用超声波测定被测定物中的测定对象层的残留应力的超声波应力测定方法,该超声波应力测定方法包括根据测定的自由度的数量来设定多个振动模式 对于每个振动模式,对测量对象层进行与设定的振动模式对应的超声波的测量动作,接收被测量对象层反射的超声波,测定本体频率的本征频率 测量目标层,并且基于通过测量操作获得的每个振动模式的本征频率的多个测量数据来测量测量对象层的残余应力。 因此能够以更高的精度测量测量对象的残余应力。
    • 2. 发明授权
    • Ultrasonic stress measurement method and device
    • 超声波应力测量方法及装置
    • US08181524B2
    • 2012-05-22
    • US12646223
    • 2009-12-23
    • Nobuo HaraYohei TakechiYutaka Omori
    • Nobuo HaraYohei TakechiYutaka Omori
    • G01N29/14
    • G01N29/12G01N29/221G01N2291/02827G01N2291/044
    • The present invention relates to an ultrasonic stress measurement method of measuring a residual stress of a measuring target layer in a measuring object using an ultrasonic wave, the method comprising, setting a plurality of vibration modes according to a number of degree of freedom of the measuring target layer in the measuring object, performing, for each vibration mode, a measurement operation of emitting an ultrasonic wave corresponding to the set vibration mode to the measuring target layer, receiving the ultrasonic wave reflected by the measuring target layer, and measuring an eigenfrequency of the measuring target layer, and measuring the residual stress of the measuring target layer based on plural measurement data of the eigenfrequency with respect to each vibration mode obtained by the measurement operation. The residual stress of the measuring object thus can be measured at higher accuracy.
    • 超声波应力测定方法技术领域本发明涉及使用超声波测定被测定物中的测定对象层的残留应力的超声波应力测定方法,该超声波应力测定方法包括根据测定的自由度的数量来设定多个振动模式 对于每个振动模式,对测量对象层进行与设定的振动模式对应的超声波的测量动作,接收被测量对象层反射的超声波,测定本体频率的本征频率 测量目标层,并且基于通过测量操作获得的每个振动模式的本征频率的多个测量数据来测量测量对象层的残余应力。 因此能够以更高的精度测量测量对象的残余应力。
    • 3. 发明授权
    • Quality evaluation method and quality evaluation apparatus
    • 质量评估方法和质量评估仪器
    • US08885848B2
    • 2014-11-11
    • US13108082
    • 2011-05-16
    • Yohei TakechiYutaka Omori
    • Yohei TakechiYutaka Omori
    • H03B29/00G10L25/00G06F1/20G01M13/02G01M13/04G10L15/02
    • G10L25/00G01M13/028G01M13/045G06F1/206G10L15/02
    • Quality of industrial products is evaluated by evaluating non-stationary operation sound, which is a kind of operation sound, from an aspect of tone, using closely simulated evaluation levels of evaluation of non-stationary sound by used of a human sense of hearing.An operation sound of a conforming product sample is converted into sound waveform data by a sound collecting unit, and the sound waveform data is input into a computer via an A-D converter, and then converted into psychoacoustic parameters. Data of pseudo conforming products is additionally obtained from the psychoacoustic parameters of a plurality of conforming product samples by making use of deviation in the data of the conforming product samples. Threshold data is obtained using thresholds and masking data for evaluation calculated from psychoacoustic parameters of data of the conforming product samples and the pseudo conforming products by a statistical technique. An operation sound of a subject workpiece is converted into sound waveform data by the sound collecting unit, and the sound waveform data is input into the computer via the A-D converter, and then converted into psychoacoustic parameters. Each of the psychoacoustic parameters is compared with the corresponding one of the previously obtained threshold, and thereby the operation sound is evaluated.
    • 工业产品质量通过评估非平稳运行声音来评估,这是一种运用声音,从音调的角度,通过使用人的听觉来使用非稳定声音的评估的严密模拟评估水平。 合格产品样品的操作声音由声音采集单元转换成声音波形数据,声音波形数据通过A-D转换器输入计算机,然后转换成心理声学参数。 通过利用符合产品样本的数据的偏差,另外从多个符合产品样本的心理声学参数中获得伪符合产品的数据。 阈值数据是通过使用统计技术的阈值和用于评估的屏蔽数据获得的,该信息是通过符合产品样本的数据的心理声学参数和伪符合产物计算的。 被摄体工件的操作声音由声音采集单元转换为声音波形数据,声音波形数据通过A-D转换器输入计算机,然后转换为心理声学参数。 将每个心理声学参数与先前获得的阈值中的相应一个进行比较,从而评估操作声音。