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    • 5. 发明授权
    • Diagnostic method and diagnostic device for a slide bearing
    • 滑动轴承的诊断方法和诊断装置
    • US09588015B2
    • 2017-03-07
    • US13582288
    • 2011-02-21
    • Takashi SakoKouichi Tamura
    • Takashi SakoKouichi Tamura
    • G01M13/04G01H1/14
    • G01M13/045G01H1/14
    • A sign of a minor rubbing abnormality of a slide bearing in a diesel engine is accurately detected. In order to realize the accurate detection, the following is performed: detecting waveform data which represents an acceleration of a vibration which occurs when a slide bearing is in operation; transforming acceleration waveform data into an acceleration spectrum of a frequency domain by applying a Fourier transform to the acceleration waveform data; quantifying a plurality of peak information which occurs at a rotational frequency interval of a shaft to be measured in the acceleration spectrum by performing a predetermined signal process combined with rotational frequency information of the shaft; obtaining a characteristic value; monitoring whether the obtained characteristic value has exceeded a predetermined threshold value; and when the characteristic value has exceeded the threshold value, determining that an abnormality has occurred in the slide bearing.
    • 准确地检测到柴油发动机中的滑动轴承的轻微摩擦异常的迹象。 为了实现准确的检测,执行以下操作:检测表示当滑动轴承运行时发生的振动的加速度的波形数据; 通过对加速度波形数据进行傅里叶变换,将加速度波形数据变换为频域的加速度频谱; 通过执行与所述轴的旋转频率信息相结合的预定信号处理来量化在所述加速度频谱中以待测轴的旋转频率间隔发生的多个峰值信息; 获得特征值; 监视所获得的特征值是否已经超过预定阈值; 并且当所述特征值超过所述阈值时,确定所述滑动轴承中发生异常。
    • 7. 发明授权
    • System for diagnosing facility apparatus, managing apparatus and diagnostic apparatus
    • US07139681B2
    • 2006-11-21
    • US11330266
    • 2006-01-12
    • Osamu YoshieNobuyoshi SatoTatsuya Fukunaga
    • Osamu YoshieNobuyoshi SatoTatsuya Fukunaga
    • G06F19/00
    • G05B23/0229G05B23/0272G05B23/0275G05B2219/31205G05B2219/31434G05B2219/31448
    • The present invention relates to a system for managing and diagnosing a state of a facility apparatus, and an object thereof is to provide a system for diagnosing the facility apparatus wherein, if information falling under a level of abnormality is extracted from gathered information on an operating state of the facility apparatus, an advanced analysis and diagnosis section on a facility diagnosis center side performs an advanced analysis and diagnosis process and promptly notifies a user side of the information on the best way of dealing with the facility apparatus determined to be abnormal, and further uploads a facility management data analysis program from the advanced analysis and diagnosis section to a facility monitoring section on the user side so that raw information of a large information amount can be analyzed on the user side without sending it to the facility diagnosis center side.A facility management data processing section (3a) signal-processes facility state detecting information detected by facility state detectors (2a, 2b) mounted on a facility apparatus (1), a facility state determining section (4) determines a level of the signal-processed information comparing with a management reference value and outputs it, the facility monitoring section (5) gathers and processes the information related to the level-determined facility apparatus (1) and sends it to the advanced analysis and diagnosis section (6) via a communication network (10), and the advanced analysis and diagnosis section (6) performs an advanced analysis of the information and identifies a cause of the abnormality of the facility apparatus (1) concerned and improvement measures thereof to send the identified results to the facility monitoring section (5). In addition, it is characterized in that the facility management data analysis program is uploaded from the advanced analysis and diagnosis section (6) to the facility monitoring section (5) so that the advanced analysis can be performed on the user side B.
    • 8. 发明授权
    • System for diagnosing a facility apparatus
    • 用于诊断设备装置的系统
    • US07085684B2
    • 2006-08-01
    • US10332007
    • 2001-07-04
    • Osamu YoshieNobuyoshi SatoTatsuya Fukunaga
    • Osamu YoshieNobuyoshi SatoTatsuya Fukunaga
    • G06F19/00
    • G05B23/0229G05B23/0272G05B23/0275G05B2219/31205G05B2219/31434G05B2219/31448
    • A system for managing and diagnosing a state of a facility apparatus. If information falling under a level of abnormality is extracted from gathered information on an operating state of the facility apparatus, an advanced analysis and diagnosis section on a facility diagnosis center side performs an advanced analysis and diagnosis process and promptly notifies a user side of the information on the best way of dealing with the facility apparatus determined to be abnormal, and further uploads a facility management data analysis program from the advanced analysis and diagnosis section to a facility monitoring section on the user side so that raw information of a large information amount can be analyzed on the user side without sending it to the facility diagnosis center side.
    • 一种用于管理和诊断设备装置的状态的系统。 如果从设备装置的运行状态的收集信息中提取落入异常水平的信息,则设备诊断中心侧的高级分析诊断部进行高级分析诊断处理,并且迅速地向用户侧通知信息 在处理被判定为异常的设备装置的最佳方式中,进一步将设备管理数据分析程序从高级分析诊断部上传到用户侧的设备监视部,使得信息量大的原始信息可以 在用户端进行分析,而不将其发送到设施诊断中心侧。
    • 9. 发明申请
    • System for diagnosing facility apparatus, managing apparatus and diagnostic apparatus
    • US20060116836A1
    • 2006-06-01
    • US11330354
    • 2006-01-12
    • Osamu YoshieNobuyoshi SatoTatsuya Fukunaga
    • Osamu YoshieNobuyoshi SatoTatsuya Fukunaga
    • G01R35/00G01D21/00
    • G05B23/0229G05B2223/06
    • The present invention relates to a system for managing and diagnosing a state of a facility apparatus, and an object thereof is to provide a system for diagnosing the facility apparatus wherein, if information falling under a level of abnormality is extracted from gathered information on an operating state of the facility apparatus, an advanced analysis and diagnosis section on a facility diagnosis center side performs an advanced analysis and diagnosis process and promptly notifies a user side of the information on the best way of dealing with the facility apparatus determined to be abnormal, and further uploads a facility management data analysis program from the advanced analysis and diagnosis section to a facility monitoring section on the user side so that raw information of a large information amount can be analyzed on the user side without sending it to the facility diagnosis center side. A facility management data processing section (3a) signal-processes facility state detecting information detected by facility state detectors (2a, 2b) mounted on a facility apparatus (1), a facility state determining section (4) determines a level of the signal-processed information comparing with a management reference value and outputs it, the facility monitoring section (5) gathers and processes the information related to the level-determined facility apparatus (1) and sends it to the advanced analysis and diagnosis section (6) via a communication network (10), and the advanced analysis and diagnosis section (6) performs an advanced analysis of the information and identifies a cause of the abnormality of the facility apparatus (1) concerned and improvement measures thereof to send the identified results to the facility monitoring section (5). In addition, it is characterized in that the facility management data analysis program is uploaded from the advanced analysis and diagnosis section (6) to the facility monitoring section (5) so that the advanced analysis can be performed on the user side B.
    • 10. 发明申请
    • DIAGNOSTIC METHOD AND DIAGNOSTIC DEVICE FOR A SLIDE BEARING
    • 用于滑动轴承的诊断方法和诊断装置
    • US20130006551A1
    • 2013-01-03
    • US13582288
    • 2011-02-21
    • Takashi SakoKouichi Tamura
    • Takashi SakoKouichi Tamura
    • G01N29/46G06F19/00
    • G01M13/045G01H1/14
    • A sign of a minor rubbing abnormality of a slide bearing in a diesel engine is accurately detected. In order to realize the accurate detection, the following is performed: detecting waveform data which represents an acceleration of a vibration which occurs when a slide bearing is in operation; transforming acceleration waveform data into an acceleration spectrum of a frequency domain by applying a Fourier transform to the acceleration waveform data; quantifying a plurality of peak information which occurs at a rotational frequency interval of a shaft to be measured in the acceleration spectrum by performing a predetermined signal process combined with rotational frequency information of the shaft; obtaining a characteristic value; monitoring whether the obtained characteristic value has exceeded a predetermined threshold value; and when the characteristic value has exceeded the threshold value, determining that an abnormality has occurred in the slide bearing.
    • 准确地检测到柴油发动机中的滑动轴承的轻微摩擦异常的迹象。 为了实现准确的检测,执行以下操作:检测表示当滑动轴承运行时发生的振动的加速度的波形数据; 通过对加速度波形数据进行傅里叶变换,将加速度波形数据变换为频域的加速度频谱; 通过执行与所述轴的旋转频率信息相结合的预定信号处理来量化在所述加速度频谱中以待测轴的旋转频率间隔发生的多个峰值信息; 获得特征值; 监视所获得的特征值是否已经超过预定阈值; 并且当所述特征值超过所述阈值时,确定所述滑动轴承中发生异常。