Sensor Failure Detection System And Method
    1.
    发明申请
    Sensor Failure Detection System And Method 审中-公开
    传感器故障检测系统及方法

    公开(公告)号:US20110153035A1

    公开(公告)日:2011-06-23

    申请号:US12644497

    申请日:2009-12-22

    IPC分类号: G05B13/02

    CPC分类号: G05B23/024 G05B2219/2641

    摘要: This disclosure relates to a system and method for detecting sensor failure and controlling a machine. The system includes a plurality of physical sensors, an electronic control module operably connected to the plurality of physical sensors, and a data storage unit operably connected to the electronic control module. The electronic control module is configured to retrieve calibration data associated with a plurality of input parameters, obtain a set of values of the plurality of input parameters, calculate a Mahalanobis distance of the set of values of the input parameters based on the calibration data, increment an evidence score of an input parameter if the Mahalanobis distance exceeds a threshold Mahalanobis distance value; and command a machine action when the evidence score of an input parameter exceeds an threshold evidence score value.

    摘要翻译: 本公开涉及一种用于检测传感器故障并控制机器的系统和方法。 该系统包括多个物理传感器,可操作地连接到多个物理传感器的电子控制模块,以及可操作地连接到电子控制模块的数据存储单元。 电子控制模块被配置为检索与多个输入参数相关联的校准数据,获得多个输入参数的一组值,基于校准数据计算输入参数值集合的马氏距离距离,增量 马哈拉诺比斯距离超过阈值马氏距离值的输入参数的证据分数; 并且当输入参数的证据得分超过阈值证据得分值时,命令机器动作。

    Method and system for pre-processing data using the mahalanobis distance (MD)
    3.
    发明授权
    Method and system for pre-processing data using the mahalanobis distance (MD) 有权
    使用马哈拉诺比斯距离(MD)预处理数据的方法和系统

    公开(公告)号:US08073652B2

    公开(公告)日:2011-12-06

    申请号:US12216406

    申请日:2008-07-03

    IPC分类号: G06F17/18

    CPC分类号: G06K9/6298

    摘要: A computer-implemented method for pre-processing data. The method may include detecting one or more erroneous vectors in a plurality of vectors, detecting one or more erroneous elements in the one or more erroneous vectors, and deleting the detected one or more erroneous elements. The method may also include detecting one or more missing elements in the plurality of vectors. Further, the method may include populating one or more offending vectors that include one or more missing elements and/or deleted erroneous elements with one or more elements that are based on a distance metric.

    摘要翻译: 用于预处理数据的计算机实现的方法。 该方法可以包括检测多个向量中的一个或多个错误向量,检测一个或多个错误向量中的一个或多个错误元素,以及删除检测到的一个或多个错误元素。 该方法还可以包括检测多个向量中的一个或多个丢失元素。 此外,该方法可以包括使用基于距离度量的一个或多个元素来填充包括一个或多个缺失元素的一个或多个违规向量和/或删除的错误元素。

    Method and system for pre-processing data using the Mahalanobis Distance (MD)
    4.
    发明申请
    Method and system for pre-processing data using the Mahalanobis Distance (MD) 有权
    使用马氏距离(MD)预处理数据的方法和系统

    公开(公告)号:US20100004898A1

    公开(公告)日:2010-01-07

    申请号:US12216406

    申请日:2008-07-03

    IPC分类号: G06F17/18

    CPC分类号: G06K9/6298

    摘要: A computer-implemented method for pre-processing data. The method may include detecting one or more erroneous vectors in a plurality of vectors, detecting one or more erroneous elements in the one or more erroneous vectors, and deleting the detected one or more erroneous elements. The method may also include detecting one or more missing elements in the plurality of vectors. Further, the method may include populating one or more offending vectors that include one or more missing elements and/or deleted erroneous elements with one or more elements that are based on a distance metric.

    摘要翻译: 用于预处理数据的计算机实现的方法。 该方法可以包括检测多个向量中的一个或多个错误向量,检测一个或多个错误向量中的一个或多个错误元素,以及删除检测到的一个或多个错误元素。 该方法还可以包括检测多个向量中的一个或多个丢失元素。 此外,该方法可以包括使用基于距离度量的一个或多个元素来填充包括一个或多个缺失元素的一个或多个违规向量和/或删除的错误元素。

    VIRTUAL REDUCTANT QUALITY SENSOR
    5.
    发明申请
    VIRTUAL REDUCTANT QUALITY SENSOR 审中-公开
    虚拟降低质量传感器

    公开(公告)号:US20130000276A1

    公开(公告)日:2013-01-03

    申请号:US13174064

    申请日:2011-06-30

    IPC分类号: F01N3/035 F01N3/18 F01N3/10

    摘要: An exhaust treatment system is provided. The exhaust treatment system may include a selective catalyst reduction (SCR) unit for removing NOX from exhaust; a reducing agent dispensing unit for providing a reducing agent to the SCR unit; a first NOX sensor for indicating a NOX emission level of the exhaust prior to the SCR unit; a second NOX sensor for indicating a NOX emission level of the exhaust after the SCR unit, wherein at least one of the first NOX sensor and the second NOX sensor is a virtual NOX sensor; and a controller configured to electronically communicate with a virtual sensor network comprising a first virtual NOX sensor and a virtual reducing agent quality sensor indicating a quality index of the reducing agent according to the first NOX sensor and the second NOX sensor.

    摘要翻译: 提供排气处理系统。 排气处理系统可以包括用于从排气中去除NOX的选择性催化剂还原(SCR)单元; 还原剂分配单元,用于向SCR单元提供还原剂; 用于指示SCR单元之前的排气的NO x排放水平的第一NOX传感器; 用于指示所述SCR单元之后的排气的NO x排放水平的第二NOX传感器,其中所述第一NO x传感器和所述第二NOX传感器中的至少一个是虚拟NOX传感器; 以及控制器,被配置为与包括第一虚拟NOX传感器和虚拟还原剂质量传感器的虚拟传感器网络进行电子通信,虚拟还原剂质量传感器指示根据第一NOX传感器和第二NOX传感器的还原剂的质量指数。

    Asymmetric random scatter process for probabilistic modeling system for product design
    6.
    发明授权
    Asymmetric random scatter process for probabilistic modeling system for product design 有权
    产品设计概率建模系统的非对称随机散射过程

    公开(公告)号:US08209156B2

    公开(公告)日:2012-06-26

    申请号:US12314847

    申请日:2008-12-17

    IPC分类号: G06F7/60 G06F17/10

    摘要: A method is provided for designing a product. The method may include obtaining data records relating to one or more input variables and one or more output parameters associated with the product and selecting one or more input parameters from the one or more input variables. The method may also include generating a computational model indicative of interrelationships between the one or more input parameters and the one or more output parameters based on the data records and providing a set of constraints to the computational model representative of a compliance state for the product. Further the method may include using the computational model and the provided set of constraints to generate statistical distributions for the one or more output parameters. The one or more input parameters and the one or more output parameters represent a design for the product.

    摘要翻译: 提供了一种用于设计产品的方法。 该方法可以包括获得与一个或多个输入变量相关的数据记录和与产品相关联的一个或多个输出参数,并从一个或多个输入变量中选择一个或多个输入参数。 该方法还可以包括基于数据记录生成指示一个或多个输入参数与一个或多个输出参数之间的相互关系的计算模型,并为代表产品的合规状态的计算模型提供一组约束。 此外,该方法可以包括使用计算模型和所提供的约束集合来生成用于一个或多个输出参数的统计分布。 一个或多个输入参数和一个或多个输出参数表示产品的设计。

    Asymmetric random scatter process for probabilistic modeling system for product design
    8.
    发明申请
    Asymmetric random scatter process for probabilistic modeling system for product design 有权
    产品设计概率建模系统的非对称随机散射过程

    公开(公告)号:US20090132216A1

    公开(公告)日:2009-05-21

    申请号:US12314847

    申请日:2008-12-17

    IPC分类号: G06F7/60

    摘要: A method is provided for designing a product. The method may include obtaining data records relating to one or more input variables and one or more output parameters associated with the product and selecting one or more input parameters from the one or more input variables. The method may also include generating a computational model indicative of interrelationships between the one or more input parameters and the one or more output parameters based on the data records and providing a set of constraints to the computational model representative of a compliance state for the product. Further the method may include using the computational model and the provided set of constraints to generate statistical distributions for the one or more input parameters based on an asymmetric random scatter process and the one or more output parameters. The one or more input parameters and the one or more output parameters represent a design for the product.

    摘要翻译: 提供了一种用于设计产品的方法。 该方法可以包括获得与一个或多个输入变量相关的数据记录和与产品相关联的一个或多个输出参数,并从一个或多个输入变量中选择一个或多个输入参数。 该方法还可以包括基于数据记录生成指示一个或多个输入参数与一个或多个输出参数之间的相互关系的计算模型,并为代表产品的合规状态的计算模型提供一组约束。 此外,该方法可以包括使用计算模型和所提供的约束集合来基于非对称随机散射过程和一个或多个输出参数来生成针对所述一个或多个输入参数的统计分布。 一个或多个输入参数和一个或多个输出参数表示产品的设计。

    Determining a corrective action based on economic calculation
    9.
    发明授权
    Determining a corrective action based on economic calculation 有权
    根据经济计算确定纠正措施

    公开(公告)号:US08015134B2

    公开(公告)日:2011-09-06

    申请号:US11806372

    申请日:2007-05-31

    CPC分类号: G05B23/0232 G05B23/0281

    摘要: A computer-implemented method is provided for determining a corrective action. The method may include obtaining diagnostic data and calculating, using the diagnostic data, a prognostic. The method may also include retrieving, when the prognostic is above an alarm level, historical records and calculating a Bayesian posterior probability using the diagnostic data and the historical records. Further, the method may include calculating a prognostic prescience metric using the diagnostic data and the historical records and determining, based on the Bayesian posterior probability, the prognostic prescience metric, and an economic calculation, the corrective action.

    摘要翻译: 提供了一种用于确定校正动作的计算机实现的方法。 该方法可以包括获得诊断数据并使用诊断数据来计算预后。 该方法还可以包括当预测高于警报级别时,使用诊断数据和历史记录来检索历史记录并计算贝叶斯后验概率。 此外,该方法可以包括使用诊断数据和历史记录来计算预后预测度量,并且基于贝叶斯后验概率确定预后预测度量和经济计算校正动作。