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1.发明授权公开(公告)号：US09109517B2
公开(公告)日：2015-08-18
申请号：US13047200
申请日：2011-03-14
申请人： Arijit Banerjee , Rupam Mukherjee , Arvind Kumar Tiwari , Somakumar Ramachandrapanicker , Srilatha Boyanapally , Paul Lloyd Flynn , Ajith Kuttannair Kumar
发明人： Arijit Banerjee , Rupam Mukherjee , Arvind Kumar Tiwari , Somakumar Ramachandrapanicker , Srilatha Boyanapally , Paul Lloyd Flynn , Ajith Kuttannair Kumar
IPC分类号： G06F11/30 , F02D29/06 , F01D15/10 , G01M13/02 , G05B23/02 , H02P21/14 , B60W20/00 , H02P23/14 , F02D41/28 , F02D41/14 , H02P29/02
CPC分类号： F02D29/06 , B60W20/50 , F01D15/10 , F02D2041/1432 , F02D2041/288 , F02D2200/1002 , G01M13/025 , G05B23/0224 , H02P21/20 , H02P23/14 , H02P29/0241
摘要： A method of monitoring health of a mechanical drive train is provided. The method includes obtaining voltage and current signals from at least one phase of an electrical machine coupled with the mechanical drive train. The method also includes representing the electrical machine having a non-sinusoidal flux distribution as a combination of a plurality of harmonic order sinusoidally distributed virtual electrical machines based on the obtained voltage and current signals. The method further includes determining a torque profile associated with one or more combinations of the sinusoidally distributed virtual electrical machines. Finally, the method includes detecting the presence of an anomaly in the mechanical drive train based on the torque profile or spectrum.
摘要翻译： 提供了一种监测机械传动系的健康的方法。 该方法包括从与机械传动系连接的电机的至少一个相位获得电压和电流信号。 该方法还包括基于获得的电压和电流信号将具有非正弦通量分布的电机表示为多个谐波阶正弦分布式虚拟电机的组合。 该方法还包括确定与正弦分布的虚拟电机的一个或多个组合相关联的转矩曲线。 最后，该方法包括基于扭矩分布或频谱检测机械传动系中异常的存在。
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公开(公告)号：US09050894B2
公开(公告)日：2015-06-09
申请号：US13176828
申请日：2011-07-06
申请人： Arijit Banerjee , Rupam Mukherjee , Ajith Kumar , Somakumar Ramachandrapanicker , Srilatha Boyanapally , Mohan Kumar Katta
发明人： Arijit Banerjee , Rupam Mukherjee , Ajith Kumar , Somakumar Ramachandrapanicker , Srilatha Boyanapally , Mohan Kumar Katta
CPC分类号： B60L3/0061 , B60L2200/26 , B60L2260/44 , B60L2260/50 , Y02T10/646 , Y02T10/84
摘要： A method for a vehicle having plural electric motors includes generating motor electrical signatures for the motors. The motor electrical signatures represent one or more characteristics of electrical energy that is supplied to the motors. The method also includes identifying one or more fault measures of each of the motor electrical signatures. The fault measures are indicative of mechanical characteristics of the motors. The method further includes comparing the one or more fault measures of each motor with the one or more fault measures of the other motors in the same vehicle and predicting an impending mechanical failure of one or more of the motors based on comparing the fault measures of the motors.
摘要翻译： 一种具有多个电动机的车辆的方法包括：产生用于电动机的电动机电气特征。 电动机电气特征表示提供给电动机的电能的一个或多个特性。 该方法还包括识别每个电动机电特征的一个或多个故障测量。 故障指示表明电机的机械特性。 该方法还包括将每个电动机的一个或多个故障测量值与同一车辆中的其它电动机的一个或多个故障测量值进行比较，并且基于比较故障测量值来预测一个或多个电动机的即将发生的机械故障 电机。
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公开(公告)号：US20120161684A1
公开(公告)日：2012-06-28
申请号：US12976309
申请日：2010-12-22
申请人： Arvind Kumar Tiwari , Arijit Banerjee , Hao Huang , Xiaochuan Jia , Srilatha Boyanapally , Rupam Mukherjee
发明人： Arvind Kumar Tiwari , Arijit Banerjee , Hao Huang , Xiaochuan Jia , Srilatha Boyanapally , Rupam Mukherjee
IPC分类号： G01R31/02
CPC分类号： H02P23/14 , G01R31/343 , G01R31/346 , H02P25/024 , H02P29/0241
摘要： A method, system and computer program product for monitoring health of a synchronous machine is provided. The method includes receiving a plurality of phase voltage values and a plurality of phase current values. The method then computes a negative sequence voltage (Vn) based on the plurality of phase voltage values. The method also computes one or more operating parameters based on at least one of the plurality of phase voltage values and the plurality of phase current values. The method retrieves from a data store, one or more known Vn based on the one or more operating parameters. The method then computes a machine health indicator based on the computed Vn and the one or more known Vn, and raises an alarm based on the machine health indicator.
摘要翻译： 提供了一种用于监测同步机健康状况的方法，系统和计算机程序产品。 该方法包括接收多个相电压值和多个相电流值。 该方法然后基于多个相电压值计算负序电压（Vn）。 该方法还基于多个相电压值和多个相电流值中的至少一个来计算一个或多个操作参数。 该方法基于一个或多个操作参数从数据存储器检索一个或多个已知的Vn。 然后，该方法基于计算的Vn和一个或多个已知的Vn来计算机器健康指示器，并且基于机器健康指示器引发警报。
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公开(公告)号：US20110163770A1
公开(公告)日：2011-07-07
申请号：US12652116
申请日：2010-01-05
申请人： Sakethraman Mahalingam , Manoj Kumar Koyithitta Meethal , Arijit Banerjee , Wrichik Basu , Harish Kumar Pillai
发明人： Sakethraman Mahalingam , Manoj Kumar Koyithitta Meethal , Arijit Banerjee , Wrichik Basu , Harish Kumar Pillai
IPC分类号： G01R27/08
CPC分类号： G01N27/02 , A61B5/0536 , G01N33/2823
摘要： A method for determining characteristics of a multi-material object is provided. The method includes producing a rotating electric field by providing an applied electrical signal set of individual electrical signal patterns to electrodes surrounding the multi-material object. The method also includes obtaining a measured electrical signal of electrical signals from the electrodes corresponding to each electrical signal pattern applied. An electrical network is determined based on the applied electrical signal set, the measured electrical signal set and an inverse of the applied electrical signal set. The method further includes determining the characteristics of the multi-material object by analyzing the electrical network.
摘要翻译： 提供了一种用于确定多材料物体的特性的方法。 该方法包括通过向围绕多材料物体的电极提供各个电信号图案的施加电信号组来产生旋转电场。 该方法还包括从对应于所施加的每个电信号图案的电极获得测得的电信号的电信号。 基于所应用的电信号集合，所测量的电信号集合和所施加的电信号集合的倒数来确定电网络。 该方法还包括通过分析电网确定多材料物体的特性。
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公开(公告)号：US20100301792A1
公开(公告)日：2010-12-02
申请号：US12637027
申请日：2009-12-14
IPC分类号： G01R31/02
CPC分类号： G01R31/343 , H02P29/0241
摘要： A method for detecting an anomaly in an induction machine includes obtaining or receiving a signal from the induction machine; processing the signal so as to obtain a low frequency signal, then rectifying the low frequency signal; and, declaring if the anomaly is present, based on the rectified low frequency signal. A system for detecting anomalies is also disclosed. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.
摘要翻译： 用于检测感应电机中的异常的方法包括从感应电机获取或接收信号; 处理信号以获得低频信号，然后整流低频信号; 并且根据整流的低频信号来声明异常是否存在。 还公开了一种用于检测异常的系统。 已经根据具体实施例描述了本发明，并且认识到除了明确说明的那些之外的等同物，替代方案和修改是可能的并且在所附权利要求的范围内。
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公开(公告)号：US10036335B2
公开(公告)日：2018-07-31
申请号：US13234881
申请日：2011-09-16
申请人： Arijit Banerjee , Ajith Kuttainnair Kumar , Arvind Kumar Tiwari , Rupam Mukherjee , Somakumar Ramachandrapanicker , Paul Lloyd Flynn , Boyanapally Srilatha
发明人： Arijit Banerjee , Ajith Kuttainnair Kumar , Arvind Kumar Tiwari , Rupam Mukherjee , Somakumar Ramachandrapanicker , Paul Lloyd Flynn , Boyanapally Srilatha
IPC分类号： F02D29/06 , F02D41/00 , F02D41/14 , F02D41/22 , B60K6/46 , B60W20/50 , F02D41/28 , B60W30/20
CPC分类号： F02D29/06 , B60K6/46 , B60W20/50 , B60W2030/206 , F02D41/0097 , F02D41/1498 , F02D41/22 , F02D41/221 , F02D2041/288 , F02D2200/1004 , F02D2200/1006 , F02D2200/101 , F02D2200/1012 , F02D2250/24 , Y02T10/6217
摘要： Methods and systems are provided for an engine. A condition of the engine may be diagnosed based on information provided by signals from a generator operationally connected to the engine and/or other signals associated with the engine. Different types of degradation may be distinguished based on discerning characteristics within the information. Thus, a degraded engine component may be identified in a manner that reduces service induced delay.
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7.发明授权Systems and methods for diagnosing auxiliary equipment associated with an engine 有权用于诊断与发动机相关的辅助设备的系统和方法公开(公告)号：US08626371B2
公开(公告)日：2014-01-07
申请号：US13234380
申请日：2011-09-16
IPC分类号： G06F17/00
CPC分类号： F02D29/06 , B60K6/46 , B60W20/50 , B60W2030/206 , F02D41/0097 , F02D41/1498 , F02D41/22 , F02D41/221 , F02D2041/288 , F02D2200/1004 , F02D2200/1006 , F02D2200/101 , F02D2200/1012 , F02D2250/24 , Y02T10/6217
摘要： Diagnosing auxiliary equipment associated with an engine. A condition of the auxiliary equipment is diagnosed based on information provided by signals from a generator operationally connected to the auxiliary equipment or other signals associated with the engine. Different types of degradation are distinguished based on discerning characteristics within the information. Thus, a degraded auxiliary equipment component can be identified in a manner that reduces service induced delay.
摘要翻译： 诊断与发动机相关的辅助设备。 辅助设备的状况基于由操作地连接到辅助设备的发电机或与发动机相关联的其他信号的信号提供的信息来诊断。 基于信息中的辨别特征来区分不同类型的退化。 因此，可以以减少服务引起的延迟的方式来识别劣化的辅助设备组件。
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公开(公告)号：US20130073175A1
公开(公告)日：2013-03-21
申请号：US13234881
申请日：2011-09-16
申请人： Arijit BANERJEE , Ajith Kuttainnair KUMAR , Arvind Kumar TIWARI , Rupam MUKHERJEE , Somakumar RAMACHANDRAPANICKER , Paul Lloyd FLYNN , Boyanapally SRILATHA
发明人： Arijit BANERJEE , Ajith Kuttainnair KUMAR , Arvind Kumar TIWARI , Rupam MUKHERJEE , Somakumar RAMACHANDRAPANICKER , Paul Lloyd FLYNN , Boyanapally SRILATHA
CPC分类号： F02D29/06 , B60K6/46 , B60W20/50 , B60W2030/206 , F02D41/0097 , F02D41/1498 , F02D41/22 , F02D41/221 , F02D2041/288 , F02D2200/1004 , F02D2200/1006 , F02D2200/101 , F02D2200/1012 , F02D2250/24 , Y02T10/6217
摘要： Methods and systems are provided for an engine. A condition of the engine may be diagnosed based on information provided by signals from a generator operationally connected to the engine and/or other signals associated with the engine. Different types of degradation may be distinguished based on discerning characteristics within the information. Thus, a degraded engine component may be identified in a manner that reduces service induced delay.
摘要翻译： 为发动机提供了方法和系统。 可以基于由操作地连接到发动机的发电机和/或与发动机相关联的其它信号的信号提供的信息来诊断发动机的状况。 可以基于信息内的辨别特征来区分不同类型的退化。 因此，可以以减少服务引起的延迟的方式来识别劣化的引擎部件。
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公开(公告)号：US20130030742A1
公开(公告)日：2013-01-31
申请号：US13558890
申请日：2012-07-26
申请人： Arijit Banerjee , Somakumar Ramachandrapanicker , Haiyan Sun , Subhra Samanta , Srinivas Satya Sai Mallampalli
发明人： Arijit Banerjee , Somakumar Ramachandrapanicker , Haiyan Sun , Subhra Samanta , Srinivas Satya Sai Mallampalli
CPC分类号： G01R31/343
摘要： A method for monitoring a synchronous machine is described. The method includes injecting a narrowband sinusoidal signal at a first end of a field winding of the synchronous machine. The method further includes monitoring a voltage at a second end of the field winding with respect to ground. The method then identifies a resonant frequency based on the monitored voltage, and generates a winding health indicator based on the identified resonant frequency and an expected resonant frequency.
摘要翻译： 描述了一种监视同步电机的方法。 该方法包括在同步电机的励磁绕组的第一端处注入窄带正弦信号。 该方法还包括监测场绕组相对于地的第二端的电压。 该方法然后基于所监视的电压识别谐振频率，并且基于所识别的谐振频率和期望的谐振频率来生成绕组健康指示器。
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10.发明申请公开(公告)号：US20100194324A1
公开(公告)日：2010-08-05
申请号：US12365118
申请日：2009-02-03
IPC分类号： H02H7/08
CPC分类号： G01R31/34 , G01R31/025 , G01R31/346
摘要： A system and method are provided for correction of parameters used in determination of stator turn faults of an induction motor. An embodiment may include determining a residual impedance and/or a residual voltage of the motor, and correcting a normalized cross-coupled impedance based on the residual impedance and residual voltage. Additional embodiments may include measuring an operating temperature of the motor and determining a negative sequence impedance of the motor based on the temperature. Another embodiment may include measuring voltages and currents of the motor and determining phasors for the voltages and currents using compensation for variations from a nominal frequency of the motor.
摘要翻译： 提供了用于校正用于确定感应电动机的定子匝故障的参数的系统和方法。 实施例可以包括确定电动机的残余阻抗和/或剩余电压，以及基于残余阻抗和残余电压校正归一化的交叉耦合阻抗。 另外的实施例可以包括测量电动机的工作温度并基于温度确定电动机的负序阻抗。 另一个实施例可以包括测量电动机的电压和电流，并且使用对来自电动机的额定频率的变化的补偿来确定电压和电流的相量。
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