会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明申请
    • SYSTEM AND METHOD OF DETECTING CAVITATION IN PUMPS
    • 检测血液渗透的系统和方法
    • WO2011124963A1
    • 2011-10-13
    • PCT/IB2011/000723
    • 2011-04-04
    • EATON CORPORATIONLU, BinSHARMA, Santosh KumarYAN, TingDIMINO, Steven, A.
    • LU, BinSHARMA, Santosh KumarYAN, TingDIMINO, Steven, A.
    • F04D15/00F04D29/66
    • F04D29/669F04D15/0077F04D15/0088
    • A system and method for detecting cavitation in pumps for fixed and variable supply frequency applications is disclosed. The system includes a controller (14, 24) having a processor (26) programmed to repeatedly receive real-time operating current data (28) from a motor (22) driving a pump (12), generate a current frequency spectrum from the current data, and analyze current data within a pair of signature frequency bands of the current frequency spectrum. The processor is further programmed to repeatedly determine fault signatures as a function of the current data within the pair of signature frequency bands, repeatedly determine fault indices based on the fault signatures and a dynamic reference signature, compare the fault indices to a reference index, and identify a cavitation condition in a pump based on a comparison between the reference index and a current fault index.
    • 公开了一种用于在固定和可变电源频率应用的泵中检测气蚀的系统和方法。 该系统包括具有被编程为从驱动泵(12)的马达(22)重复接收实时工作电流数据(28))的处理器(26)的控制器(14,24),从电流产生电流频谱 数据和分析当前频谱的一对签名频带内的当前数据。 处理器进一步被编程为重复地将故障签名确定为一对签名频带内的当前数据的函数,基于故障签名和动态参考签名重复地确定故障索引,将故障索引与参考索引进行比较,以及 基于参考指数和当前故障指数之间的比较,识别泵中的气蚀条件。
    • 2. 发明申请
    • SYSTEM AND METHOD FOR DETERMINING STATOR WINDING RESISTANCE IN AN AC MOTOR USING MOTOR DRIVES
    • 使用电机驱动的交流电机中确定定子绕组电阻的系统和方法
    • WO2010086729A2
    • 2010-08-05
    • PCT/IB2010/000175
    • 2010-01-29
    • EATON CORPORATIONLU, BinHABETLER, Thomas, G.ZHANG, Pinjia
    • LU, BinHABETLER, Thomas, G.ZHANG, Pinjia
    • H02P21/141H02P21/16
    • A system and method for determining the stator winding resistance of AC motors is provided. The system includes an AC motor drive having an input connectable to an AC source and an output connectable to an input terminal of an AC motor, a pulse width modulation (PWM) converter having switches therein to control current flow and terminal voltages in the AC motor, and a control system connected to the PWM converter. The control system generates a command signal to cause the PWM converter to control an output of the AC motor drive corresponding to an input to the AC motor, selectively generates a modified command signal to cause the PWM converter to inject a DC signal into the output of the AC motor drive, and determines a stator winding resistance of the AC motor based on the DC signal of at least one of the voltage and current.
    • 提供了一种用于确定交流电动机的定子绕组电阻的系统和方法。 该系统包括具有可连接到AC电源的输入端的AC电动机驱动器和可连接到AC电动机的输入端子的输出端,其中具有开关的脉宽调制(PWM)转换器,用于控制AC电动机中的电流和端电压 以及连接到PWM转换器的控制系统。 控制系统产生一个命令信号,使PWM转换器控制对应于AC电动机输入的交流电动机驱动的输出,选择性地产生修改的指令信号,使PWM转换器将DC信号注入到 AC电动机驱动器,并且基于电压和电流中的至少一个的DC信号来确定AC电动机的定子绕组电阻。
    • 3. 发明申请
    • SYSTEM AND METHOD FOR MOTOR FAULT DETECTION USING STATOR CURRENT NOISE CANCELLATION
    • 使用定子电流噪声消除的电机故障检测系统和方法
    • WO2010079415A2
    • 2010-07-15
    • PCT/IB2010/000012
    • 2010-01-07
    • EATON CORPORATIONZHOU, WeiLU, BinNOWAK, Michael, P.DIMINO, Steven, A.
    • ZHOU, WeiLU, BinNOWAK, Michael, P.DIMINO, Steven, A.
    • G01R31/34
    • G01R31/343
    • A system and method for detecting incipient mechanical motor faults by way of current noise cancellation is disclosed. The system includes.a controller configured to detect indicia of incipient mechanical motor faults. The controller further includes a processor programmed to receive a baseline set of current data from an operating motor and define a noise component in the baseline set of current data. The processor is also programmed to acquire at least on additional set of real-time operating current data from the motor during operation, redefine the noise component present in each additional set of real-time operating current data, and remove the noise component from the operating current data in real-time to isolate any fault components present in the operating current data. The processor is then programmed to generate a fault index for the operating current data based on any isolated fault components.
    • 公开了一种通过电流噪声消除来检测初始机械马达故障的系统和方法。 该系统包括配置成检测初始机械马达故障的标记的控制器。 该控制器还包括处理器,该处理器被编程为接收来自操作电机的电流数据的基线集合并且定义该基准电流数据集中的噪声分量。 处理器还被编程为在操作期间从电动机获取至少一组额外的实时工作电流数据,重新定义存在于每一附加实时工作电流数据组中的噪声成分,并从工作中去除噪声成分 电流数据实时隔离出现在工作电流数据中的任何故障部件。 处理器随后被编程为基于任何隔离的故障组件生成操作电流数据的故障索引。
    • 4. 发明申请
    • SYSTEM AND METHOD OF SPEED DETECTION IN AN AC INDUCTION MACHINE
    • 交流感应电机的速度检测系统及方法
    • WO2011158099A2
    • 2011-12-22
    • PCT/IB2011/001344
    • 2011-06-15
    • EATON CORPORATIONLU, BinSHARMA, Santosh, K.YAN, TingDIMINO, Steven, A.
    • LU, BinSHARMA, Santosh, K.YAN, TingDIMINO, Steven, A.
    • H02P27/047G01P3/48G01P3/489H02P21/18H02P23/14
    • A system and method for detenriining rotor speed of an AC induction machine is disclosed. The system is programmed to estimate a rotor speed of the induction machine according to a linear speed estimation algorithm and based on name plate information (NPI) of the induction machine and parameters of the AC induction machine during operation thereof. The rotor speed estimation system is also programmed to estimate a rotor speed of the AC induction machine according to a frequency-domain signal processing algorithm and determine if the rotor speed estimated thereby is valid. If the rotor speed estimated by the frequency-domain signal processing algorithm is valid, then a tuned rotor speed of the AC induction machine is estimated according to the linear speed estimation algorithm and based, in part, on the rotor speed estimated by the frequency-domain signal processing algorithm.
    • 公开了一种用于确定AC感应电机转子转速的系统和方法。 该系统被编程为根据线速度估计算法并且基于感应电动机的铭牌信息(NPI)以及在其运行期间的AC感应电机的参数来估计感应电机的转子速度。 转子速度估计系统还被编程为根据频域信号处理算法估计AC感应电机的转子速度,并且确定由此估计的转子速度是否有效。 如果通过频域信号处理算法估计的转子速度有效,则根据线速度估计算法估计交流感应电机的调谐转子速度,部分基于由频域信号处理算法估计的转子速度, 域信号处理算法。
    • 5. 发明申请
    • SYSTEM AND METHOD OF DYNAMIC REGULATION OF REAL POWER TO A LOAD
    • 负载动态调节的系统和方法
    • WO2014014642A2
    • 2014-01-23
    • PCT/US2013/048854
    • 2013-07-01
    • EATON CORPORATION
    • OLSSON, Eric JonLU, BinYAN, TingFREDETTE, Steven JohnLUEBKE, Charles John
    • H02P23/00
    • H02P27/047H02P23/14
    • A system and method for controlling an AC motor drive includes a control system programmed with an algorithm configured to optimize operation of the motor drive. Specifically, the control system is programmed to input an initial voltage-frequency command to the drive. The initial voltage-frequency command includes a voltage reference and a frequency reference corresponding to an operating point of an initial voltage/frequency (V/Hz) curve. The control system monitors a real-time output of the drive, modifies the voltage reference based on the real-time output of the drive, and transmits a modified voltage-frequency command to the drive. The modified voltage-frequency command corresponds to an operating point of a modified V/Hz curve defined by the modified voltage reference and the initial V/Hz curve.
    • 用于控制AC电动机驱动器的系统和方法包括利用配置成优化电动机驱动器的操作的算法编程的控制系统。 具体而言,控制系统被编程为向驱动器输入初始电压 - 频率命令。 初始电压 - 频率命令包括对应于初始电压/频率(V / Hz)曲线的操作点的电压基准和频率基准。 控制系统监控变频器的实时输出,根据变频器的实时输出修改电压参考,并将修改后的电压 - 频率命令发送至变频器。 修改的电压 - 频率命令对应于由修改的电压参考和初始V / Hz曲线定义的修改的V / Hz曲线的操作点。
    • 6. 发明申请
    • SYSTEM AND METHOD EMPLOYING A MINIMUM DISTANCE AND A LOAD FEATURE DATABASE TO IDENTIFY ELECTRIC LOAD TYPES OF DIFFERENT ELECTRIC LOADS
    • 使用最小距离的系统和方法和负载特征数据库来识别不同电力负载的电力负载类型
    • WO2013081719A2
    • 2013-06-06
    • PCT/US2012/055836
    • 2012-09-18
    • EATON CORPORATION
    • LU, BinYANG, YiSHARMA, Santosh K.ZAMBARE, PrachiMADANE, Mayura A.
    • G06F17/30
    • G06N7/00
    • A method identifies electric load types (12) of a plurality of different electric loads (22,24,26,28). The method includes providing a load feature database (4) of a plurality of different electric load types (12), each of the different electric load types including a first load feature vector having at least four different load features; sensing a voltage signal (20) and a current signal (18) for each of the different electric loads; determining a second load feature vector (110) comprising at least four different load features from the sensed voltage signal and the sensed current signal for a corresponding one of the different electric loads; and identifying (114) by a processor (30) one of the different electric load types by determining a minimum distance of the second load feature vector to the first load feature vector of the different electric load types (12) of the load feature database.
    • 一种方法识别多个不同电负载(22,24,26,28)的电负载类型(12)。 该方法包括提供多个不同电负载类型(12)的负载特征数据库(4),每个不同的电负载类型包括具有至少四个不同负载特征的第一负载特征向量; 感测每个不同电负载的电压信号(20)和电流信号(18); 确定第二负载特征向量(110),其包括来自所感测的电压信号的至少四个不同的负载特征和用于所述不同电负载中的相应一个的所感测的电流信号; 以及通过确定所述第二负载特征向量与所述负载特征数据库的不同电负载类型(12)的所述第一负载特征向量的最小距离,通过所述不同电负载类型之一由所述处理器(30)识别(114)。
    • 7. 发明申请
    • SYSTEM AND METHOD EMPLOYING A SELF-ORGANIZING MAP LOAD FEATURE DATABASE TO IDENTIFY ELECTRIC LOAD TYPES OF DIFFERENT ELECTRIC LOADS
    • 使用自组织地图负载特征数据库识别不同电力负载的电力负载类型的系统和方法
    • WO2013081718A2
    • 2013-06-06
    • PCT/US2012/055835
    • 2012-09-18
    • EATON CORPORATIONGEORGIA TECH RESEARCH CORPORATION
    • LU, BinYANG, YiSHARMA, Santosh K.ZAMBARE, PrachiMADANE, Mayura A.HARLEY, Ronald G.DU, Liang
    • G06F17/30
    • G06N3/088Y04S20/38
    • A method identifies electric load types (12) of a plurality of different electric loads (22,24,26,28). The method includes providing a self-organizing map load feature database (104) of a plurality of different electric load types (12) and a plurality (K) of neurons (124), each of the load types corresponding to a number of the neurons; employing a weight vector (m 1 ) for each of the neurons; sensing a voltage signal (20) and a current signal (18) for each of the loads; determining a load feature vector (140;x) including at least four different load features from the sensed voltage signal and the sensed current signal for a corresponding one of the loads; and identifying (106) by a processor (30) one of the load types by relating the load feature vector to the neurons of the database by identifying the weight vector of one of the neurons corresponding to the one of the load types that is a minimal distance (d;d E ) to the load feature vector.
    • 一种方法识别多个不同电负载(22,24,26,28)的电负载类型(12)。 该方法包括提供多个不同电负载类型(12)和多个(K)神经元(124)的自组织映射负载特征数据库(104),每个负载类型对应于多个神经元 ; 对每个神经元采用权重向量(m1); 感测每个负载的电压信号(20)和电流信号(18); 确定包含来自感测的电压信号的至少四个不同负载特征的载荷特征向量(140; x)和用于相应的一个负载的所感测的电流信号; 以及通过将所述负载特征向量与所述数据库的神经元相关联来识别(106)所述负载类型之一(106),所述负载特征向量与所述负载类型之一相对应的所述神经元之一的权重向量是最小的 距离(d; dE)到加载特征向量。
    • 9. 发明申请
    • SYSTEM AND METHOD OF DYNAMIC REGULATION OF REAL POWER TO A LOAD
    • 动力调节到负载的系统和方法
    • WO2010144308A2
    • 2010-12-16
    • PCT/US2010/037352
    • 2010-06-04
    • EATON CORPORATIONLU, BinYAN, TingFREDETTE, StevenLUEBKE, Charles
    • LU, BinYAN, TingFREDETTE, StevenLUEBKE, Charles
    • H02P23/14
    • H02P23/02H02P23/0077H02P23/14H02P27/047
    • A system and method for controlling an AC motor drive includes a control system programmed with an energy algorithm configured to optimize operation of the motor drive. Specifically, the control system input an initial voltage-frequency command to the AC motor drive based on an initial voltage/frequency (V/Hz) curve, receives a real-time output of the AC motor drive generated according to the initial voltage-frequency command, and feedback a plurality of modified voltage-frequency commands to the AC motor drive, each of the plurality of modified voltage-frequency commands comprising a deviation from the initial V/Hz curve. The control system also determines a real-time value of the motor parameter corresponding to each of the plurality of modified voltage- frequency commands, and feeds back a modified voltage-frequency command to the AC motor drive so that the real-time value of the motor parameter is within a motor parameter tolerance range.
    • 用于控制AC电动机驱动器的系统和方法包括用能够优化电动机驱动器的操作的能量算法编程的控制系统。 具体地说,控制系统基于初始电压/频率(V / Hz)曲线向AC电动机驱动器输入初始电压 - 频率指令,接收根据初始电压 - 频率产生的交流电动机驱动的实时输出 命令,并且向AC电动机驱动器反馈多个修改的电压 - 频率命令,所述多个修改的电压 - 频率指令中的每一个包括与初始V / Hz曲线的偏差。 控制系统还确定与多个修改的电压 - 频率指令中的每一个相对应的电机参数的实时值,并将修改的电压 - 频率命令反馈给AC电动机驱动器,使得实时值 电机参数在电机参数公差范围内。