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    • 1. 发明授权
    • Method and system for detecting abnormal operation of a level regulatory control loop
    • 检测电平调节控制回路异常运行的方法和系统
    • US08145358B2
    • 2012-03-27
    • US11492577
    • 2006-07-25
    • John P. Miller
    • John P. Miller
    • G05D9/00
    • G05B23/0254
    • A system facilitates detecting an abnormal operation associated with a level regulatory control loop in a process plant. A model for modeling at least a portion of the level regulatory control loop may be utilized with respect to first and second signals associated with regulatory control of a level of material in a tank. The model may include a first regression model in a first range corresponding to a first operating region of the level regulatory control loop. The model may be capable of being subsequently configured to include at least a second regression model in at least a second respective range corresponding to at least a second respective operating region different than the first operating region. The model may generate a prediction of the second signal as a function of first signal. It may be determined whether the second signal significantly deviates from the prediction of the second signal generated by the model. If there is a significant deviation, this may indicate an abnormal operation associated with the level regulatory control loop.
    • 系统便于检测与过程工厂中的级别调节控制回路相关联的异常操作。 相对于与罐中的材料水平的调节控制相关联的第一和第二信号,可以使用用于对水平调节控制回路的至少一部分进行建模的模型。 该模型可以包括在对应于电平调节控制回路的第一操作区域的第一范围内的第一回归模型。 该模型可以能够随后被配置为在对应于不同于第一操作区域的至少第二相应操作区域的至少第二相应范围内包括至少第二回归模型。 该模型可以产生作为第一信号的函数的第二信号的预测。 可以确定第二信号是否显着偏离由模型生成的第二信号的预测。 如果存在显着偏差,则可能表示与电平调节控制回路相关的异常操作。
    • 3. 发明授权
    • Modeling a process using a composite model comprising a plurality of regression models
    • 使用包含多个回归模型的复合模型建模过程
    • US08032341B2
    • 2011-10-04
    • US11619846
    • 2007-01-04
    • John P. Miller
    • John P. Miller
    • G06F7/60G06F17/10
    • C10G11/187G05B23/021G05B23/024
    • A system for detecting abnormal operation of at least a portion of a process plant includes a composite model for modeling at least the portion of the process plant. The model may be configurable to include multiple regression models corresponding to multiple different operating regions of the portion of the process plant. A new model may be generated from two or more of the regression models, and the composite model may be revised to replace the two or more regression models with the new model. The system may also include a deviation detector configured to determine if the actual operation of the portion of the process plant deviates significantly from the operation predicted by the composite model. If there is a significant deviation, this may indicate an abnormal operation.
    • 用于检测过程工厂的至少一部分的异常操作的系统包括用于对过程工厂的至少一部分进行建模的复合模型。 该模型可以被配置为包括对应于过程工厂部分的多个不同操作区域的多个回归模型。 可以从两个或多个回归模型生成新模型,并且可以修改复合模型以用新模型替换两个或更多个回归模型。 系统还可以包括偏差检测器,该偏差检测器被配置为确定处理设备的部分的实际操作是否显着偏离由复合模型预测的操作。 如果存在显着偏差,则可能表示异常操作。
    • 5. 发明授权
    • Postal weighing platform with integrated feeding and deskewing functions
    • 邮政称重平台具有综合进料和脱歪斜功能
    • US07705250B2
    • 2010-04-27
    • US12177199
    • 2008-07-22
    • David W. BeckstromJohn P. Miller
    • David W. BeckstromJohn P. Miller
    • B65H9/16G01G19/413
    • B65H9/106B65H2515/10B65H2555/24B65H2801/78B65H2220/03
    • The present invention includes apparatus and methods for handling mailpieces. A mailpiece handling device includes a substantially horizontal deck for receiving a mailpiece. The device also includes a substantially vertical registration wall that extends upwardly from an edge of the deck. The device further includes a disk mounted for rotation in a circular opening in the deck adjacent the registration wall. The disk has a substantially horizontal surface. In addition, the device includes an arm mounted above the disk so as to be pivotable in a horizontal direction. Also, the device includes a steering member mounted at a free end of the arm. The steering member is for applying downward pressure to a mailpiece that is in contact with the disk.
    • 本发明包括处理邮件的装置和方法。 邮件处理装置包括用于接收邮件的基本水平的甲板。 该装置还包括从甲板的边缘向上延伸的基本垂直的配准壁。 该装置还包括一个盘,其被安装用于在靠近对准壁的甲板中的圆形开口中旋转。 盘具有基本上水平的表面。 此外,该装置包括安装在盘上方的臂,以便能够在水平方向上枢转。 而且,该装置还包括安装在臂的自由端的转向构件。 转向构件用于向与盘接触的邮件施加向下的压力。
    • 7. 发明授权
    • Data presentation system for abnormal situation prevention in a process plant
    • 过程工厂异常情况预防的数据呈现系统
    • US07389204B2
    • 2008-06-17
    • US10972155
    • 2004-10-22
    • Evren EryurekKadir KavakliogluJohn P. Miller
    • Evren EryurekKadir KavakliogluJohn P. Miller
    • G05B11/01G05B9/02
    • G05B23/0272
    • A system for visually presenting data receives signal processing data generated signal processing data collection blocks corresponding to devices associated with a process plant. The signal processing data collection blocks may generate data such as statistical data, frequency analysis data, auto regression data, wavelets data, etc. The system displays an image representative of the devices and representative of a context of the devices within the process plant. Additionally, data based on signal processing data corresponding to one or more devices is displayed. For example, the signal processing data for the device could be displayed. As another example, data may be generated based on the signal processing data and this generated data may be displayed.
    • 用于视觉呈现数据的系统接收与处理装置相关联的装置相对应的信号处理数据产生的信号处理数据采集块。 信号处理数据采集块可以产生诸如统计数据,频率分析数据,自动回归数据,小波数据等的数据。系统显示表示设备的图像并代表处理工厂内的设备的上下文。 此外,显示基于对应于一个或多个设备的信号处理数据的数据。 例如,可以显示设备的信号处理数据。 作为另一示例,可以基于信号处理数据生成数据,并且可以显示该生成的数据。
    • 8. 发明申请
    • ABNORMAL SITUATION PREVENTION IN A HEAT EXCHANGER
    • 热交换器异常状况预防
    • US20080082304A1
    • 2008-04-03
    • US11864727
    • 2007-09-28
    • John P. MILLER
    • John P. MILLER
    • G06G7/48G05B17/00
    • G05B23/021G05B17/02G05B23/0254
    • A system and method to facilitate the monitoring and diagnosis of a process control system and any elements thereof is disclosed with a specific premise of abnormal situation prevention in a heat exchanger. Monitoring and diagnosis of faults in a heat exchanger includes statistical analysis techniques, such as regression and load following. In particular, on-line process data is collected from an operating heat exchanger. A statistical analysis is used to develop a regression model of the process. The output may use a variety of parameters from the model and may include normalized process variables based on the training data, and process variable limits or model components. Each of the outputs may be used to generate visualizations for process monitoring and diagnostics and perform alarm diagnostics to detect abnormal situations in the heat exchanger.
    • 公开了一种用于过程控制系统及其任何元件的监控和诊断的系统和方法,其特征在于在热交换器中防止异常情况。 热交换器故障的监测和诊断包括统计分析技术,如回归和负载跟踪。 特别地,从工作热交换器收集在线过程数据。 使用统计分析来开发该过程的回归模型。 输出可以使用来自模型的各种参数,并且可以包括基于训练数据的标准化过程变量,以及过程变量限制或模型组件。 每个输出可用于生成过程监控和诊断的可视化,并执行报警诊断以检测热交换器中的异常情况。
    • 9. 发明申请
    • ON-LINE MONITORING AND DIAGNOSTICS OF A PROCESS USING MULTIVARIATE STATISTICAL ANALYSIS
    • 使用多维统计分析的过程在线监测和诊断
    • US20080082299A1
    • 2008-04-03
    • US11688737
    • 2007-03-20
    • Nikola SAMARDZIJAJohn P. Miller
    • Nikola SAMARDZIJAJohn P. Miller
    • G06F19/00G06F17/18G06F17/40
    • G05B23/0245G05B23/021G05B23/024Y10S715/965
    • A system and method of monitoring and diagnosing on-line multivariate process variable data in a process plant, where the multivariate process data comprises a plurality of process variables each having a plurality of observations, includes collecting on-line process data from a process control system within the process plant when the process is on-line, where the collected on-line process data comprises a plurality of observations of a plurality of process variables and where the plurality of observations of the set of collected process data comprises a first data space having a plurality of dimensions, performing a multivariate statistical analysis to represent the operation of the process based on a set of collected on-line process data comprising a measure of the operation of the process when the process is on-line within a second data space having fewer dimensions than the first data space, performing a univariate analysis to represent the operation of the process as a multivariate projection of the on-line process data by a univariate variable for each of the process variables, where the univariate variable unifies the process variables, and generating a visualization comprising a first plot of a result generated by the multivariate statistical representation of the operation of the process and a second plot of a result generated by the univariate representation of the operation of the process.
    • 一种在过程工厂中监测和诊断在线多变量过程变量数据的系统和方法,其中多变量过程数据包括多个具有多个观测值的过程变量,包括从过程控制系统收集在线过程数据 在过程在线的过程工厂内,收集的在线过程数据包括多个过程变量的多个观测值,并且其中所收集的过程数据集合的多个观测值包括具有第一数据空间的第一数据空间, 多个维度,执行多变量统计分析以基于一组收集的在线过程数据来表示所述过程的操作,所述一组收集的在线过程数据包括当所述过程在第二数据空间内在线时所述过程的操作的度量 比第一个数据空间更小的维度,执行单变量分析,以将过程的操作表示为多维度 通过单变量对每个过程变量的单变量投影在线过程数据,其中单变量统一过程变量,以及生成可视化,其包括通过多变量统计表示生成的结果的第一图 该过程和由过程操作的单变量表示产生的结果的第二个图。
    • 10. 发明授权
    • Method and system for estimating weights of mailpieces
    • 用于估计邮件重量的方法和系统
    • US07162459B2
    • 2007-01-09
    • US10326511
    • 2002-12-19
    • John E. MassucciRobert A. CorderyJohn P. Miller
    • John E. MassucciRobert A. CorderyJohn P. Miller
    • G06F17/60G06F11/20G07B17/02
    • G01G19/005G06Q30/0283G06Q30/0284G06Q50/06G07B2017/00701
    • A weight estimating system for estimating the weight of a mailpiece and a postage metering system including such a weight estimating system. The weight estimating system includes a measuring system, a diverter mechanism and a microprocessor system. The measuring system includes a transport, a first plurality of detectors for measuring the dimensions of the mailpiece and a second plurality of detectors for measuring values of other characteristics of the mailpiece which are indicative of the presence of non-paper materials in the mailpiece as the mailpiece is transported. The microprocessor is responsive to the second detectors to determine if non-paper materials are included in the mailpiece and, if not, determines the volume from the dimensional measurements and estimates the weight as the product of the volume and a density for paper output an appropriate postage amount to the meter and the mailpiece to the printer. The postage metering system prints the mailpiece with a postal indicium and accounts for the postage amount expended. Otherwise the microprocessor controls the diverter mechanism to reject the mailpiece for separate processing.
    • 一种用于估计邮件的重量的权重估计系统和包括这样的权重估计系统的邮资计费系统。 重量估计系统包括测量系统,分流机构和微处理器系统。 测量系统包括传送装置,用于测量邮件尺寸的第一多个检测器和用于测量邮件的其它特征值的第二多个检测器,这些检测器指示邮件中存在非纸材料作为 邮件被运送。 微处理器响应于第二检测器以确定邮件中是否包含非纸材料,如果不是,则从尺寸测量结果确定体积,并且将重量估计为纸张输出的体积和密度的乘积适当 邮资量到仪表和邮件到打印机。 邮资计费系统使用邮政邮件打印邮件,并记录支付的邮资金额。 否则,微处理器控制分流器机构以拒绝邮件以进行单独处理。