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公开(公告)号：US20120278004A1
公开(公告)日：2012-11-01
申请号：US13096244
申请日：2011-04-28
申请人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
发明人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
CPC分类号： F01D17/02 , F01D5/005 , F05D2260/83
摘要： A method for monitoring the health of one or more blades is presented. The method includes the steps of generating a signal representative of delta times of arrival corresponding to the rotating blade, generating a reconstructed signal by decomposing the signal representative of the delta times of arrival utilizing a multi-resolution analysis technique, wherein the reconstructed signal is representative of at least one of static deflection and dynamic deflection in the rotating blade.
摘要翻译： 提出了一种用于监测一个或多个刀片的健康状况的方法。 该方法包括以下步骤：产生表示对应于旋转叶片的到达时间的信号的信号，通过使用多分辨率分析技术分解代表到达时间的信号的信号来产生重构信号，其中重构信号是代表性的 在旋转叶片中的静态偏转和动态偏转中的至少一个。
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公开(公告)号：US08543341B2
公开(公告)日：2013-09-24
申请号：US12825763
申请日：2010-06-29
申请人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
发明人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
IPC分类号： G06F19/00
CPC分类号： F01D21/003 , F05D2260/80
摘要： A method for monitoring the health of one or more blades is presented. The method includes the steps of determining a delta TOA corresponding to each of the one or more blades based upon respective actual time of arrival (TOA) of the one or more blades, determining a normalized delta TOA corresponding to each of the one or more blades by removing effects of one or more operational data from the delta TOA, and determining a corrected delta TOA corresponding to each of the one or more blades by removing effects of reseating of the one or more blades from the normalized delta TOA.
摘要翻译： 提出了一种用于监测一个或多个刀片的健康状况的方法。 该方法包括以下步骤：基于相应的一个或多个刀片的实际到达时间（TOA）来确定与所述一个或多个刀片中的每一个相对应的增量TOA，确定与所述一个或多个刀片中的每一个相对应的归一化增量TOA 通过去除来自增量TOA的一个或多个操作数据的影响，以及通过从归一化的三角洲TOA中移除一个或多个刀片的重新排除的影响，来确定对应于一个或多个刀片中的每个刀片的校正的增量TOA。
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公开(公告)号：US20100161245A1
公开(公告)日：2010-06-24
申请号：US12340777
申请日：2008-12-22
申请人： Sudhanshu Rai , Vinay Bhaskar Jammu , Vivek Venugopal Badami , Achalesh Kumar Pandey , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya , Venkatesh Rajagopalan , Nidhi Naithani
发明人： Sudhanshu Rai , Vinay Bhaskar Jammu , Vivek Venugopal Badami , Achalesh Kumar Pandey , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya , Venkatesh Rajagopalan , Nidhi Naithani
IPC分类号： G06F19/00
CPC分类号： F01D21/003 , F05D2230/80 , G05B23/0221 , G05B23/0235 , G05B23/0245
摘要： A system for rotor blade health monitoring include time of arrival (TOA) sensors and a controller comprising a processor configured for obtaining TOA signals indicative of times of arrival of rotating rotor blades from the respective TOA sensors and for determining initial features from the TOA signals; and a feature level fuser configured for fusing the initial features received from the processor for use in evaluating health of the rotating rotor blades.
摘要翻译： 一种用于转子叶片健康监测的系统包括到达时间（TOA）传感器和包括处理器的控制器，该处理器被配置为获得指示来自相应TOA传感器的旋转转子叶片到达时间的TOA信号，并且用于从TOA信号确定初始特征; 以及功能级别熔化器，其被配置用于融合从处理器接收的初始特征，以用于评估旋转的转子叶片的健康状况。
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公开(公告)号：US08676514B2
公开(公告)日：2014-03-18
申请号：US12825895
申请日：2010-06-29
申请人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
发明人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
IPC分类号： G07C3/00
CPC分类号： F01D21/003 , F05D2260/80 , G01H1/006 , G01M15/14
摘要： A method for monitoring the health of a plurality of blades is presented. The method includes determining delta TOAs corresponding to the plurality of blades, determining a standard deviation utilizing the delta TOAs corresponding to the plurality of blades, determining a delta sigma—1 utilizing the standard deviation and an initial standard deviation, determining a normalized delta TOA corresponding to one or more of the plurality of blades utilizing the delta sigma—1, determining a standard deviation of the normalized delta TOA, determining a delta sigma—2 utilizing the standard deviation of the normalized delta TOA and a previous standard deviation of normalized delta TOA, and determining a corrected delta TOA corresponding to the one or more of the plurality of blades based upon the delta sigma—2.
摘要翻译： 提出了一种用于监测多个叶片的健康状况的方法。 该方法包括确定与多个叶片相对应的增量TOA，使用与多个叶片对应的增量TOA来确定标准偏差，利用标准偏差和初始标准偏差确定Δ-Σ-1，确定对应于 使用delta-Σ1来确定标准差ΔAA的标准偏差，利用归一化的三角洲TOA的标准偏差和归一化的三角洲TOA的先前标准偏差来确定Δ-Σ-2 并且基于所述Δ-Σ-2确定与所述多个叶片中的所述一个或多个叶片对应的校正后的增量TOA。
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公开(公告)号：US08532939B2
公开(公告)日：2013-09-10
申请号：US12872830
申请日：2010-08-31
申请人： Aninda Bhattacharya , Vinay Bhaskar Jammu , Vivek Venugopal Badami , Venkatesh Rajagopalan , Rahul Srinivas Prabhu , Ajay Kumar Behera , Nidhi Naithani , Mahalakshmi Shunumugam Balasubramaniam
发明人： Aninda Bhattacharya , Vinay Bhaskar Jammu , Vivek Venugopal Badami , Venkatesh Rajagopalan , Rahul Srinivas Prabhu , Ajay Kumar Behera , Nidhi Naithani , Mahalakshmi Shunumugam Balasubramaniam
CPC分类号： F01D21/003 , F05D2260/80 , F05D2270/11
摘要： A system is presented. The system includes a data acquisition system that generates time of arrival (TOA) data corresponding to a plurality of blades in a device, a central processing subsystem that determines features of each of the plurality of blades utilizing the TOA data, and evaluates the health of each of the plurality of blades based upon the determined features.
摘要翻译： 提出了一个系统。 该系统包括数据采集系统，其生成对应于设备中的多个叶片的到达时间（TOA）数据，中央处理子系统，其使用TOA数据确定多个叶片中的每一个的特征，并评估 基于所确定的特征，多个叶片中的每一个。
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公开(公告)号：US20130082833A1
公开(公告)日：2013-04-04
申请号：US13250027
申请日：2011-09-30
申请人： Aninda Bhattacharya , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Venkatesh Rajagopalan
发明人： Aninda Bhattacharya , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Venkatesh Rajagopalan
CPC分类号： G01H1/003 , F01D21/003 , F05D2260/80 , F05D2270/707
摘要： A method for monitoring health of airfoils is disclosed. The method comprises generating at least one feature alarm for a blade by fusing a plurality of features corresponding to the blade utilizing a fuzzy inference method. The fuzzy inference method comprises generating a plurality of intermediate values by fusing one or more combinations of the plurality of features utilizing a fuzzy logic method, and fusing the plurality of intermediate values utilizing a second level fuzzy logic method, wherein the at least one feature alarm is representative of the health of the blade.
摘要翻译： 公开了一种用于监测翼型的健康的方法。 该方法包括通过使用模糊推理方法融合与叶片对应的多个特征来为叶片产生至少一个特征报警。 所述模糊推理方法包括利用模糊逻辑方法融合所述多个特征的一个或多个组合来产生多个中间值，并且利用第二级模糊逻辑方法来融合所述多个中间值，其中所述至少一个特征报警 是刀片健康的代表。
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公开(公告)号：US20110320138A1
公开(公告)日：2011-12-29
申请号：US12825895
申请日：2010-06-29
申请人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
发明人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
CPC分类号： F01D21/003 , F05D2260/80 , G01H1/006 , G01M15/14
摘要： A method for monitoring the health of a plurality of blades is presented. The method includes determining delta TOAs corresponding to the plurality of blades, determining a standard deviation utilizing the delta TOAs corresponding to the plurality of blades, determining a delta sigma—1 utilizing the standard deviation and an initial standard deviation, determining a normalized delta TOA corresponding to one or more of the plurality of blades utilizing the delta sigma—1, determining a standard deviation of the normalized delta TOA, determining a delta sigma—2 utilizing the standard deviation of the normalized delta TOA and a previous standard deviation of normalized delta TOA, and determining a corrected delta TOA corresponding to the one or more of the plurality of blades based upon the delta sigma—2.
摘要翻译： 提出了一种用于监测多个叶片的健康状况的方法。 该方法包括确定与多个叶片相对应的增量TOA，使用与多个叶片对应的增量TOA来确定标准偏差，利用标准偏差和初始标准偏差确定Δ-Σ-1，确定对应的标准化三角洲TOA 使用delta-Σ1来确定标准差ΔAA的标准偏差，利用归一化的三角洲TOA的标准偏差和归一化的三角洲TOA的先前标准偏差来确定Δ-Σ-2 并且基于所述Δ-Σ-2确定与所述多个叶片中的所述一个或多个叶片对应的校正后的增量TOA。
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公开(公告)号：US08718953B2
公开(公告)日：2014-05-06
申请号：US13096244
申请日：2011-04-28
申请人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
发明人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
IPC分类号： G01B5/28
CPC分类号： F01D17/02 , F01D5/005 , F05D2260/83
摘要： A method for monitoring the health of one or more blades is presented. The method includes the steps of generating a signal representative of delta times of arrival corresponding to the rotating blade, generating a reconstructed signal by decomposing the signal representative of the delta times of arrival utilizing a multi-resolution analysis technique, wherein the reconstructed signal is representative of at least one of static deflection and dynamic deflection in the rotating blade.
摘要翻译： 提出了一种用于监测一个或多个刀片的健康状况的方法。 该方法包括以下步骤：产生表示对应于旋转叶片的到达时间的信号的信号，通过使用多分辨率分析技术分解代表到达时间的信号的信号来产生重构信号，其中重构信号是代表性的 在旋转叶片中的静态偏转和动态偏转中的至少一个。
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公开(公告)号：US20110320137A1
公开(公告)日：2011-12-29
申请号：US12825763
申请日：2010-06-29
申请人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
发明人： Venkatesh Rajagopalan , Vivek Venugopal Badami , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya
CPC分类号： F01D21/003 , F05D2260/80
摘要： A method for monitoring the health of one or more blades is presented. The method includes the steps of determining a delta TOA corresponding to each of the one or more blades based upon respective actual time of arrival (TOA) of the one or more blades, determining a normalized delta TOA corresponding to each of the one or more blades by removing effects of one or more operational data from the delta TOA, and determining a corrected delta TOA corresponding to each of the one or more blades by removing effects of reseating of the one or more blades from the normalized delta TOA.
摘要翻译： 提出了一种用于监测一个或多个刀片的健康状况的方法。 该方法包括以下步骤：基于相应的一个或多个刀片的实际到达时间（TOA）来确定与所述一个或多个刀片中的每一个相对应的增量TOA，确定与所述一个或多个刀片中的每一个相对应的归一化增量TOA 通过去除来自增量TOA的一个或多个操作数据的影响，以及通过从归一化的三角洲TOA中移除一个或多个刀片的重新排除的影响，来确定对应于一个或多个刀片中的每个刀片的校正的增量TOA。
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公开(公告)号：US07941281B2
公开(公告)日：2011-05-10
申请号：US12340777
申请日：2008-12-22
申请人： Sudhanshu Rai , Vinay Bhaskar Jammu , Vivek Venugopal Badami , Achalesh Kumar Pandey , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya , Venkatesh Rajagopalan , Nidhi Naithani
发明人： Sudhanshu Rai , Vinay Bhaskar Jammu , Vivek Venugopal Badami , Achalesh Kumar Pandey , Rahul Srinivas Prabhu , Ajay Kumar Behera , Aninda Bhattacharya , Venkatesh Rajagopalan , Nidhi Naithani
CPC分类号： F01D21/003 , F05D2230/80 , G05B23/0221 , G05B23/0235 , G05B23/0245
摘要： A system for rotor blade health monitoring include time of arrival (TOA) sensors and a controller comprising a processor configured for obtaining TOA signals indicative of times of arrival of rotating rotor blades from the respective TOA sensors and for determining initial features from the TOA signals; and a feature level fuser configured for fusing the initial features received from the processor for use in evaluating health of the rotating rotor blades.
摘要翻译： 一种用于转子叶片健康监测的系统包括到达时间（TOA）传感器和包括处理器的控制器，该处理器被配置为获得指示来自相应TOA传感器的旋转转子叶片到达时间的TOA信号，并且用于从TOA信号确定初始特征; 以及功能级别熔化器，其被配置用于融合从处理器接收的初始特征，以用于评估旋转的转子叶片的健康状况。
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