公开(公告)号：US20150312123A1

公开(公告)日：2015-10-29

申请号：US14425116

申请日：2012-09-05

申请人： Yilu ZHANG ,  Xinyu DU ,  Mutasim A. SALMAN ,  Tsai-Ching LU ,  David L. ALLEN ,  Shengbing JIANG

发明人： Yilu ZHANG ,  Xinyu DU ,  Mutasim A. SALMAN ,  Tsai-Ching LU ,  David L. ALLEN ,  Shengbing JIANG

IPC分类号： H04L12/26 ,  H04L29/08

CPC分类号： H04L43/0847 ,  B60W50/0225 ,  B60W2050/0045 ,  G06F11/0739 ,  G06F11/0745 ,  H04L43/0817 ,  H04L67/12

摘要： A controller area network (CAN) has a plurality of CAN elements including a communication bus and controllers. A method for monitoring the controller area network CAN includes identifying active and inactive controllers based upon signal communications on the communication bus and identifying a candidate fault associated with one of the CAN elements based upon the identified inactive controllers.

摘要翻译： 控制器局域网（CAN）具有包括通信总线和控制器的多个CAN元件。 用于监视控制器区域网络CAN的方法包括基于通信总线上的信号通信识别有源和非活动控制器，并且基于所识别的非活动控制器来识别与CAN元件之一相关联的候选故障。

公开(公告)号：US08849497B2

公开(公告)日：2014-09-30

申请号：US13409915

申请日：2012-03-01

申请人： Yilu Zhang ,  Mutasim A. Salman ,  Xiaofeng Mao ,  Fan Bai ,  Xinyu Du ,  Bo Yu ,  Pulak Bandyopadhyay

发明人： Yilu Zhang ,  Mutasim A. Salman ,  Xiaofeng Mao ,  Fan Bai ,  Xinyu Du ,  Bo Yu ,  Pulak Bandyopadhyay

IPC分类号： G06F7/00 ,  G06F19/00

CPC分类号： G06Q10/20 ,  G07C5/008

摘要： A method includes collecting state of health (SOH) data and usage data from a plurality of vehicles. A peer group is identified among the vehicles. A vehicle health prognosis is generated for each vehicle of the peer based on the collected SOH and usage data. The vehicles of the peer group are ranked based on the generated vehicle health prognosis and the rank is reported to an output device that is associated with each vehicle or with a user of each vehicle. If evaluation of the ranking indicates that the health prognosis of a vehicle of the peer group is improvable by modifying vehicle usage, an alert is issued to a user of that vehicle.

摘要翻译： 一种方法包括从多个车辆收集健康状况（SOH）数据和使用数据。 车辆之间确定了一个同伴群体。 基于收集的SOH和使用数据，为对等体的每个车辆生成车辆健康预测。 基于生成的车辆健康预测对等体组的车辆进行排名，并且将该等级报告给与每个车辆或每个车辆的用户相关联的输出设备。 如果评价的评价表示通过修改车辆使用可以改善对等体组的车辆的健康预测，则向该车辆的用户发出警报。

公开(公告)号：US08560165B2

公开(公告)日：2013-10-15

申请号：US13351473

申请日：2012-01-17

申请人： Mutasim A. Salman ,  Yilu Zhang ,  Mark N. Howell ,  Xidong Tang ,  Youseff A. Ghoneim ,  Walter A. Dorfstatter

发明人： Mutasim A. Salman ,  Yilu Zhang ,  Mark N. Howell ,  Xidong Tang ,  Youseff A. Ghoneim ,  Walter A. Dorfstatter

IPC分类号： G01M17/00 ,  G06F7/00 ,  G06F19/00

CPC分类号： G05B23/0283

摘要： A cooperative diagnostic and prognosis system for generating a prognosis of at least one component in a vehicle. An in-vehicle diagnostic unit determines a diagnostic signature of the component each time an occurrence of a condition is triggered and transmits the diagnostic signature to an off-board diagnostic unit. The off-vehicle diagnostic unit determines a SOH of the component and a rate-of-change in the SOH of the component. The off-vehicle diagnostic unit determines whether the rate-of-change in the SOH is greater than a threshold. The off-vehicle diagnostic unit requests additional information from the vehicle in response to the rate-of-change in the SOH being greater than the threshold. The additional information relating to operating parameter data associated with the component. The off-vehicle diagnostic unit receives the requested information and predicts a time-to-failure of the component.

摘要翻译： 一种用于产生车辆中至少一个部件的预后的协作诊断和预后系统。 车载诊断单元在每次触发条件的发生时确定组件的诊断签名，并将诊断签名发送到车外诊断单元。 离车诊断单元确定组件的SOH和组件的SOH中的变化率。 离车诊断单元确定SOH中的变化率是否大于阈值。 响应于SOH中的变化率大于阈值，车外诊断单元从车辆请求附加信息。 与组件相关的操作参数数据的附加信息。 离车诊断单元接收所请求的信息并预测组件的故障时间。

公开(公告)号：US20130184929A1

公开(公告)日：2013-07-18

申请号：US13351473

申请日：2012-01-17

申请人： Mutasim A. Salman ,  Yilu Zhang ,  Mark N. Howell ,  Xidong Tang ,  Youssef A. Ghoneim ,  Walter A. Dorfstatter

发明人： Mutasim A. Salman ,  Yilu Zhang ,  Mark N. Howell ,  Xidong Tang ,  Youssef A. Ghoneim ,  Walter A. Dorfstatter

IPC分类号： G06F7/00

CPC分类号： G05B23/0283

摘要： A cooperative diagnostic and prognosis system for generating a prognosis of at least one component in a vehicle. An in-vehicle diagnostic unit determines a diagnostic signature of the component each time an occurrence of a condition is triggered and transmits the diagnostic signature to an off-board diagnostic unit. The off-vehicle diagnostic unit determines a SOH of the component and a rate-of-change in the SOH of the component. The off-vehicle diagnostic unit determines whether the rate-of-change in the SOH is greater than a threshold. The off-vehicle diagnostic unit requests additional information from the vehicle in response to the rate-of-change in the SOH being greater than the threshold. The additional information relating to operating parameter data associated with the component. The off-vehicle diagnostic unit receives the requested information and predicts a time-to-failure of the component.

摘要翻译： 一种用于产生车辆中至少一个部件的预后的协作诊断和预后系统。 车载诊断单元在每次触发条件的发生时确定组件的诊断签名，并将诊断签名发送到车外诊断单元。 离车诊断单元确定组件的SOH和组件的SOH中的变化率。 离车诊断单元确定SOH中的变化率是否大于阈值。 响应于SOH中的变化率大于阈值，车外诊断单元从车辆请求附加信息。 与组件相关的操作参数数据的附加信息。 离车诊断单元接收所请求的信息并预测组件的故障时间。

公开(公告)号：US20130158755A1

公开(公告)日：2013-06-20

申请号：US13325132

申请日：2011-12-14

申请人： Xidong Tang ,  Mutasim A. Salman ,  Yilu Zhang

发明人： Xidong Tang ,  Mutasim A. Salman ,  Yilu Zhang

IPC分类号： B60L15/20 ,  G05B13/04

CPC分类号： G05B23/0294 ,  B60W20/50 ,  H01M10/48 ,  Y02T10/7258

摘要： A method for optimizing performance of a system includes determining, via a controller, a state of health (SOH) for each of a plurality of components of the system, and determining a state of function (SOF) of the system using the SOH of each component. The method includes estimating the remaining useful life (RUL) of the system using the system SOF, selecting a cost-optimal control strategy for the system using a costing model, and dynamically, i.e., in real time, executing the selected strategy to extend the estimated RUL. The method may include comparing the selected cost-optimal strategy to a calibrated performance threshold, and executing the selected strategy only when the selected strategy exceeds the threshold. A system includes first and second components and a controller. The controller dynamically executes the above method with respect to the components, which may be a traction motor and battery in one possible embodiment.

摘要翻译： 一种用于优化系统性能的方法包括：经由控制器确定系统的多个组件中的每一个的健康状态（SOH），以及使用每个系统的SOH来确定系统的功能状态（SOF） 零件。 该方法包括使用系统SOF估计系统的剩余使用寿命（RUL），使用成本核算模型选择用于系统的成本最优控制策略，并且动态地（即实时地）执行所选择的策略以扩展 估计RUL 该方法可以包括将所选择的成本最优策略与校准的性能阈值进行比较，并且仅在所选择的策略超过阈值时执行所选择的策略。 系统包括第一和第二组件和控制器。 在一个可能的实施例中，控制器相对于组件动态执行上述方法，其可以是牵引电动机和电池。

公开(公告)号：US20120303348A1

公开(公告)日：2012-11-29

申请号：US13113835

申请日：2011-05-23

申请人： Tsai-Ching Lu ,  Yilu Zhang ,  Alejandro Nijamkin ,  David L. Allen ,  Hankyu Moon ,  Mutasim A. Salman

发明人： Tsai-Ching Lu ,  Yilu Zhang ,  Alejandro Nijamkin ,  David L. Allen ,  Hankyu Moon ,  Mutasim A. Salman

IPC分类号： G06G7/62

CPC分类号： G05B23/0235 ,  B60W50/0205 ,  B60W50/045 ,  G06F11/0739 ,  G06F11/079 ,  G06F11/3013 ,  G06F11/3093

摘要： A system and method for identifying a monitoring point in an electrical and electronic system (EES) in a vehicle. The method includes defining a network model of the EES where potential monitoring point locations in the model are identified as targets, such as nodes. The method then computes a betweenness centrality metric for each target in the model as a summation of a ratio of a total number of shortest paths between each pair of targets and a number of shortest paths that pass through the target whose betweenness centrality metric is being determined. The method identifies which of the betweenness centrality metrics are greater than a threshold that defines a minimum acceptable metric and determines which of those targets meets a predetermined model coverage. The monitoring point is selected as the target that best satisfies the minimum metric and the desired coverage.

摘要翻译： 一种用于识别车辆中电气和电子系统（EES）中的监测点的系统和方法。 该方法包括定义EES的网络模型，其中将模型中的潜在监测点位置识别为诸如节点的目标。 该方法然后将模型中的每个目标的中间性中心度量计算为每对目标之间的最短路径的总数与通过其中心中心度量被确定的目标的最短路径的数量之和的总和 。 该方法识别哪个中间中心度量大于定义最小可接受度量的阈值，并确定哪些目标满足预定的模型覆盖。 选择监测点作为最适合最小度量和所需覆盖范围的目标。

公开(公告)号：US20110238259A1

公开(公告)日：2011-09-29

申请号：US12731395

申请日：2010-03-25

申请人： Fan Bai ,  Yilu Zhang

发明人： Fan Bai ,  Yilu Zhang

IPC分类号： G06F19/00

CPC分类号： H04L67/125 ,  H04W24/00 ,  H04W84/18

摘要： A method is provided for processing and analyzing diagnostic and prognostic data in a vehicle ad-hoc network. Diagnostic and prognostic data is exchanged between a host vehicle and remote vehicles in the vehicle ad-hoc network. The received diagnostic and prognostic data is stored in a memory of the host vehicle. Redundancy is eliminated in the received diagnostic and prognostic data. The diagnostic and prognostic data is assigned to clusters. Anomalies are detected in the stored data utilizing clustering techniques that determine whether a cluster of diagnostic and prognostic data formed from the host vehicle substantially deviates from the clusters of diagnostic and prognostic data formed from the remote vehicles. A driver of a vehicle is notified if the cluster data from a host vehicle deviates significantly from the clusters from the remote vehicles.

摘要翻译： 提供了一种用于处理和分析车辆自组织网络中的诊断和预测数据的方法。 在车辆自组织网络中的主车辆和远程车辆之间交换诊断和预测数据。 所接收的诊断和预测数据被存储在主车辆的存储器中。 在接收的诊断和预后数据中消除了冗余。 将诊断和预后数据分配给集群。 使用聚类技术在存储数据中检测到异常，其确定从主车辆形成的诊断和预测数据的集群是否基本上偏离由远程车辆形成的诊断和预测数据的集群。 如果来自主车辆的集群数据与来自远程车辆的集群的显着偏离，则通知车辆的驾驶员。

公开(公告)号：US20100228423A1

公开(公告)日：2010-09-09

申请号：US12398895

申请日：2009-03-05

申请人： MARK N. HOWELL ,  MUTASIM A. SALMAN ,  XIDONG TANG ,  YILU ZHANG ,  XIAODONG ZHANG ,  YUEN-KWOK CHIN ,  SOUMEN DE ,  DEBPRAKASH PATNAIK ,  SABYASACHI BHATTACHARYA ,  PULAK BANDYOPADHYAY ,  BALARAMA V. MURTY ,  ANSAF I. ALRABADY ,  RAMI I. DEBOUK ,  STEVEN W. HOLLAND ,  GEORGE PAUL MONTGOMERY, JR.

发明人： MARK N. HOWELL ,  MUTASIM A. SALMAN ,  XIDONG TANG ,  YILU ZHANG ,  XIAODONG ZHANG ,  YUEN-KWOK CHIN ,  SOUMEN DE ,  DEBPRAKASH PATNAIK ,  SABYASACHI BHATTACHARYA ,  PULAK BANDYOPADHYAY ,  BALARAMA V. MURTY ,  ANSAF I. ALRABADY ,  RAMI I. DEBOUK ,  STEVEN W. HOLLAND ,  GEORGE PAUL MONTGOMERY, JR.

IPC分类号： G01M17/00 ,  G06F19/00

CPC分类号： G05B19/0428 ,  G05B2219/24069 ,  G05B2219/24216 ,  G05B2219/2637 ,  G07C5/008 ,  G07C5/085

摘要： A system and method for enhancing vehicle diagnostic and prognostic algorithms and improving vehicle maintenance practices. The method includes collecting data from vehicle components, sub-systems and systems, and storing the collected data in a database. The collected and stored data can be from multiple sources for similar vehicles or similar components and can include various types of trouble codes and labor codes as well as other information, such as operational data and physics of failure data, which are fused together. The method generates classes for different vehicle components, sub-systems and systems, and builds feature extractors for each class using data mining techniques of the data stored in the database. The method also generates classifiers that classify the features for each class. The feature extractors and feature classifiers are used to determine when a fault condition has occurred for a vehicle component, sub-system or system.

摘要翻译： 一种用于增强车辆诊断和预测算法并改进车辆维护实践的系统和方法。 该方法包括从车辆部件，子系统和系统收集数据，以及将收集的数据存储在数据库中。 收集和存储的数据可以来自类似车辆或类似部件的多个来源，并且可以包括各种类型的故障代码和劳动代码以及其它信息，诸如故障数据的操作数据和物理学，它们被融合在一起。 该方法为不同车辆组件，子系统和系统生成类，并使用存储在数据库中的数据的数据挖掘技术为每个类构建特征提取器。 该方法还生成为每个类分类功能的分类器。 特征提取器和特征分类器用于确定车辆部件，子系统或系统何时发生故障状况。

公开(公告)号：US08612079B2

公开(公告)日：2013-12-17

申请号：US13325132

申请日：2011-12-14

申请人： Xidong Tang ,  Mutasim A. Salman ,  Yilu Zhang

发明人： Xidong Tang ,  Mutasim A. Salman ,  Yilu Zhang

IPC分类号： B60L9/00

CPC分类号： G05B23/0294 ,  B60W20/50 ,  H01M10/48 ,  Y02T10/7258

摘要： A method for optimizing performance of a system includes determining, via a controller, a state of health (SOH) for each of a plurality of components of the system, and determining a state of function (SOF) of the system using the SOH of each component. The method includes estimating the remaining useful life (RUL) of the system using the system SOF, selecting a cost-optimal control strategy for the system using a costing model, and dynamically, i.e., in real time, executing the selected strategy to extend the estimated RUL. The method may include comparing the selected cost-optimal strategy to a calibrated performance threshold, and executing the selected strategy only when the selected strategy exceeds the threshold. A system includes first and second components and a controller. The controller dynamically executes the above method with respect to the components, which may be a traction motor and battery in one possible embodiment.

摘要翻译： 一种用于优化系统性能的方法包括：经由控制器确定系统的多个组件中的每一个的健康状态（SOH），以及使用每个系统的SOH来确定系统的功能状态（SOF） 零件。 该方法包括使用系统SOF估计系统的剩余使用寿命（RUL），使用成本核算模型选择用于系统的成本最优控制策略，并且动态地（即实时地）执行所选择的策略以扩展 估计RUL 该方法可以包括将所选择的成本最优策略与校准的性能阈值进行比较，并且仅在所选择的策略超过阈值时执行所选择的策略。 系统包括第一和第二组件和控制器。 在一个可能的实施例中，控制器相对于组件动态执行上述方法，其可以是牵引电动机和电池。

公开(公告)号：US20130231826A1

公开(公告)日：2013-09-05

申请号：US13409915

申请日：2012-03-01

申请人： Yilu ZHANG ,  Mutasim A. Salman ,  Xiaofeng Mao ,  Fan Bai ,  Xinyu Du ,  Bo Yu ,  Pulak Bandyopadhyay

发明人： Yilu ZHANG ,  Mutasim A. Salman ,  Xiaofeng Mao ,  Fan Bai ,  Xinyu Du ,  Bo Yu ,  Pulak Bandyopadhyay

IPC分类号： G06F7/00

CPC分类号： G06Q10/20 ,  G07C5/008

摘要： A method includes collecting state of health (SOH) data and usage data from a plurality of vehicles. A peer group is identified among the vehicles. A vehicle health prognosis is generated for each vehicle of the peer based on the collected SOH and usage data. The vehicles of the peer group are ranked based on the generated vehicle health prognosis and the rank is reported to an output device that is associated with each vehicle or with a user of each vehicle. If evaluation of the ranking indicates that the health prognosis of a vehicle of the peer group is improvable by modifying vehicle usage, an alert is issued to a user of that vehicle.

摘要翻译： 一种方法包括从多个车辆收集健康状况（SOH）数据和使用数据。 车辆之间确定了一个同伴群体。 基于收集的SOH和使用数据，为对等体的每个车辆生成车辆健康预测。 基于生成的车辆健康预测对等体组的车辆进行排名，并且将该等级报告给与每个车辆或每个车辆的用户相关联的输出设备。 如果评价的评价表示通过修改车辆使用可以改善对等体组的车辆的健康预测，则向该车辆的用户发出警报。