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    • 3. 发明授权
    • Method of detecting combustion misfires
    • 检测燃烧失火的方法
    • US5955663A
    • 1999-09-21
    • US794548
    • 1997-02-03
    • Klaus Ries-MullerChristian KohlerWolfgang Wimmer
    • Klaus Ries-MullerChristian KohlerWolfgang Wimmer
    • G01M15/04F02D41/14F02D45/00G01M15/00
    • F02D41/1498F02D2200/1015
    • A first signal imaging nonuniformities in the rotational movement of the crankshaft is provided and corrective values are formed and successively changed for each cylinder individually and specifically for each load/rpm range of a plurality of load/rpm ranges until a predetermined condition is satisfied. The corrective value of the first one of the load/rpm ranges wherein the predetermined condition is satisfied is logically coupled to the first signal also in the remaining ones of said the ranges so long until the condition is also satisfied in the remaining ones of the ranges to thereby form a second signal less influenced by the nonuniformities than the first signal. A misfire is then detected when the second signal crosses over a reference value.
    • 提供了对曲轴的旋转运动中的不均匀性进行成像的第一信号,并且针对每个气缸单独地,具体地针对多个负载/ rpm范围的每个负载/转速范围形成并连续地改变校正值,直到满足预定条件。 其中满足预定条件的负载/转速范围中的第一个的校正值在所述范围中的剩余范围内也在逻辑上耦合到第一信号,直到剩余的范围中的条件也满足 从而形成比不同于第一信号的不均匀性更小的第二信号。 当第二个信号超过参考值时,就会检测到失火。
    • 4. 发明授权
    • Identifying improper cabling of devices
    • 识别设备的布线错误
    • US08344736B2
    • 2013-01-01
    • US12684649
    • 2010-01-08
    • Wolfgang Wimmer
    • Wolfgang Wimmer
    • H01H31/02
    • H04L41/06H04L1/22H04L43/0847Y04S40/166Y04S40/168
    • Systems and methods are disclosed for identifying improper cabling of control system devices connected to redundant communication networks of distributed control systems. In an embodiment, a receiving device receives messages including a sender identification or source address, and a network or associated device port identification, from sending devices, over redundant networks. The receiving device determines a connect status indicating whether a message was received on a particular device port, and an error event indicating whether the port is associated with the network identified in the message. A system diagnoses an improper communication path between devices and produces an indication of a location and/or type of improper cabling. A method supplants error events with error rates calculated as a probability of receiving messages on a device port not associated with the network identified in a received message. The method compares the error rates to error thresholds to identify improper cabling.
    • 公开了用于识别连接到分布式控制系统的冗余通信网络的控制系统设备的不正确布线的系统和方法。 在一个实施例中,接收设备通过冗余网络从发送设备接收包括发送者标识或源地址以及网络或相关联的设备端口标识的消息。 接收设备确定指示在特定设备端口上是否接收到消息的连接状态,以及指示该端口是否与该消息中标识的网络相关联的错误事件。 系统诊断设备之间不正确的通信路径,并产生位置和/或不正确布线类型的指示。 一种方法取代错误事件,错误率计算为在与接收到的消息中标识的网络不相关联的设备端口上接收消息的概率。 该方法将错误率与错误阈值进行比较,以识别不正确的布线。
    • 5. 发明申请
    • ANALYZING A COMMUNICATION PERFORMANCE OF AN IED
    • 分析一个通信的通信性能
    • US20110047264A1
    • 2011-02-24
    • US12857196
    • 2010-08-16
    • Gunnar HILPERTMichael ObristWolfgang Wimmer
    • Gunnar HILPERTMichael ObristWolfgang Wimmer
    • G06F15/173
    • H04L43/50H02J13/0006H04L41/145H04L41/147H04L43/10H04L67/12H04L69/02Y02E60/723Y02E60/724Y02P90/18Y04S10/16Y04S10/18Y04S40/168
    • A communication stack performance of an Intelligent Electronic Device (IED) is analyzed in a communication network of a Substation Automation (SA) system. The IED processes network messages that are transferred with, or belonging to, a specific configurable SA communication service. A plurality of application level scenarios corresponding to a high communication load is executed. Among all network messages captured or intercepted during the scenario, the network messages destined to the IED and sent by the IED in response are identified. A number of the identified messages, a number of specific communication protocol elements or data items related to a service-specific property, and a number of changed protocol elements, which are indicative of an SA event, for which the value of the data item has changed compared to the value of the same data item in a previous message, are determined. An IED-intrinsic processing time of the identified messages is likewise determined, based on which parameter values of a service specific processing time model are calculated.
    • 在变电站自动化(SA)系统的通信网络中分析智能电子设备(IED)的通信堆栈性能。 IED处理与特定可配置的SA通信服务一起传送或属于特定可配置的SA通信服务的网络消息。 执行对应于高通信负载的多个应用级场景。 在场景中捕获或截获的所有网络消息中,标识发往IED并由IED发送的响应的网络消息。 多个所识别的消息,多个特定通信协议元素或与特定于服务的属性相关的数据项,以及指示SA事件的变化的协议元素的数量,数据项的值具有 被确定为与先前消息中的相同数据项的值相比改变。 基于服务特定处理时间模型的哪些参数值被计算,同样地确定所识别的消息的IED固有处理时间。
    • 6. 发明授权
    • Plausibility checking of current transformers in substations
    • 变电站电流互感器的可信度检查
    • US06870719B2
    • 2005-03-22
    • US10388522
    • 2003-03-17
    • Wolfgang WimmerJan Schutter
    • Wolfgang WimmerJan Schutter
    • H02B3/00G01R31/08H02B13/065G01R19/00G01R31/02
    • G01R31/085
    • The invention relates to a method, a computer program and a device (20) for the plausibility checking of current transformers (7) in an electrical switchgear assembly (1) and to a switchgear assembly (1) having such a device (20). According to the invention, zones (1a, 1b, 1c) bounded by current transformers (7) and possibly by open switches (3-5) are detected for an instantaneous topology of the switchgear (1), in each zone (1a, 1b, 1c) the signed current measurement signals are added and in the case of significant deviations of the current sum from zero, all current transformers (7) of the associated zone (1a, 1b, 1c) are identified as being problematic. Exemplary embodiments relate to, among other things: a warning counter (2e) for problematic current transformers (7); in the case of a defective current transformer (7), an operation with calculated currents or an automatic combining of zones (1a, 1b, 1c); and coordinating the plausibility test with switching actions. Advantages are, among other things: the method is independent of the complexity and operating state of the switchgear (1); dynamic topology tracking; high information content of the plausibility test; and access to current measuring values already available in the substation control system (2).
    • 本发明涉及一种用于电气开关设备组件(1)中的电流互感器(7)和具有这种装置(20)的开关装置(1)的合理性检查的方法,计算机程序和装置(20)。 根据本发明,对于开关装置(1)的瞬时拓扑,在每个区域(1a,1b)中检测由电流互感器(7)和可能的开路开关(3-5)限定的区域(1a,1b,1c) ,1c)加上有符号的电流测量信号,并且在电流和从零开始的显着偏差的情况下,相关区(1a,1b,1c)的所有电流互感器(7)被识别为有问题的。 示例性实施例涉及以下事项:用于有问题的电流互感器(7)的警告计数器(2e); 在有缺陷的电流互感器(7)的情况下,具有计算电流或区域(1a,1b,1c)的自动组合的操作; 并通过切换动作协调合理性测试。 其优点在于:该方法独立于开关柜(1)的复杂性和运行状态; 动态拓扑跟踪; 高信息内容的合理性测试; 并访问变电站控制系统(2)中已有的当前测量值。
    • 7. 发明授权
    • Inter-bay substation automation application
    • 隔间变电站自动化应用
    • US08527652B2
    • 2013-09-03
    • US12817916
    • 2010-06-17
    • Wolfgang Wimmer
    • Wolfgang Wimmer
    • G06F15/16
    • H04L67/125H04L67/12
    • The present disclosure is directed to an exemplary interface description or structure of an inter-bay Substation Automation (SA) application. The interface of the application to other elements of the SA system, for example to a bay controller, IED, OPC server, HMI, and/or gateway, is examined to fully automate the inter-bay SA application configuration and implementation. A formal description or structure of the base SA system as for example, including an IEC 61850 SCD file can be used to generate a formal description of the interfaces of the inter-bay SA application to be engineered. Logical nodes can be connected to the process single line diagram and integrated into the SCD file of the base SA system, thereby generating an enhanced SCD file.
    • 本公开涉及间隔间变电站自动化(SA)应用的示例性接口描述或结构。 检查应用程序与SA系统的其他元素(例如,托架控制器,IED,OPC服务器,HMI和/或网关)的接口,以完全自动化间隔间SA应用程序配置和实现。 可以使用例如包括IEC 61850 SCD文件的基本SA系统的正式描述或结构来生成要被设计的间隔间间隔SA应用的接口的形式描述。 逻辑节点可以连接到过程单线图,并集成到基本SA系统的SCD文件中,从而生成增强的SCD文件。
    • 8. 发明授权
    • System level testing for substation automation systems
    • 变电站自动化系统的系统级测试
    • US08265908B2
    • 2012-09-11
    • US12766278
    • 2010-04-23
    • Hubert KirrmannMichael ObristWolfgang Wimmer
    • Hubert KirrmannMichael ObristWolfgang Wimmer
    • G06F11/30G06F17/40G06F19/00
    • H02H11/008G01R31/3272H02J13/0062Y02E60/723Y02E60/724Y02E60/7838Y04S10/16Y04S10/18Y04S40/124
    • Protection, measurement and control IEDs in a substation compute if switches they control may be operated safely, according to interlocking rules or physical principles as well as the dynamic topology of the substation. The IEDs have access to the substation electrical topology, to real-time information generated by other IEDs, and to the rules for interlocking. A standardized Substation Configuration Description (SCD) of the substation for which a Substation Automation system is intended, and a standardized description of the implemented device functions or capabilities of an individual IED are utilized. The substation topology is available from SCD file, real time information about the position of switches and line voltage/current can be obtained via an appropriate protocol, and the interlocking rules are available in script form. These features apply both to simulated and real devices, and increase system testing possibilities by supporting an efficient configuration of a simulation.
    • 变电站中的保护,测量和控制IED可以根据互锁规则或物理原理以及变电站的动态拓扑结构来控制其控制的开关是否可以安全运行。 IED可以访问变电站电气拓扑,其他IED生成的实时信息以及互锁规则。 使用变电站自动化系统的变电站的标准化变电站​​配置说明(SCD),以及对已实现的单独IED的设备功能或能力的标准化描述。 变电站拓扑可从SCD文件获得,可以通过适当的协议获得关于开关位置和线路电压/电流的实时信息,并且联锁规则以脚本形式提供。 这些功能既适用于模拟和实际设备,也可以通过支持模拟的高效配置来增加系统测试的可能性。
    • 9. 发明授权
    • Monitoring an industrial communication network
    • 监控工业通信网络
    • US07746791B2
    • 2010-06-29
    • US11508308
    • 2006-08-23
    • Wolfgang Wimmer
    • Wolfgang Wimmer
    • H04L1/00
    • H04L41/12H04L43/065H04L43/0811Y04S40/164Y04S40/168
    • The present invention is concerned with the identification of a failed communication network component of an industrial communication network and of a substation automation system in particular. This is achieved by supervising communication paths of a communication network having components. A failure status or operating status of each communication path is determined and reported. Any network component that is part of an operating path is regarded as operating, i.e. failure-free, whereas all other network components are considered as non-operating or potentially failed. If there is more than one non-operating component, additional suitable communication paths are evaluated, until one single failed network component is identified and subsequently reported as requiring repair or replacement. The invention is particularly applicable in cases where some of the network components, i.e. the lines or some nodes of the communication paths, are passive components or non-intelligent devices that are unable to report an operating status themselves.
    • 本发明特别涉及工业通信网络和变电站自动化系统的故障通信网络部件的识别。 这是通过监视具有组件的通信网络的通信路径来实现的。 确定并报告每个通信路径的故障状态或操作状态。 作为操作路径的一部分的任何网络组件被视为操作,即无故障,而所有其他网络组件被认为是非操作的或潜在的失败。 如果存在多个非操作组件,则会评估其他合适的通信路径,直到识别出一个失败的网络组件,然后将其报告为需要修复或更换。 本发明特别适用于一些网络组件,即通信路径的线路或某些节点是无效组件或无法自身报告操作状态的非智能设备的情况。
    • 10. 发明申请
    • Substation automation system with increased availability
    • 变电站自动化系统,可用性更高
    • US20080244044A1
    • 2008-10-02
    • US12078347
    • 2008-03-28
    • Wolfgang Wimmer
    • Wolfgang Wimmer
    • G06F15/177
    • H02J13/00H04L1/22Y02E60/723Y04S10/16
    • In automation systems, such as Substation Automation systems, the mean time to repair is reduced by remote reconfiguration and start-up of a replacement or spare Intelligent Electronic Device (IED), leaving some more hours for the maintenance personnel to repair an inactive or faulty IED. The time for the actual repair is irrelevant for the system availability as long as it is short enough compared to the IED failure rate. Exemplary embodiments can provide nearly the same availability as a hot-standby configuration, but without the need for doubling all the essential IEDs. Additionally, spare IEDs are supervised to be healthy, and a fault of the spare IED being detected before it is put in use. Only one spare online IED is needed for each set of IEDs of the same type connected to the same station bus and process bus. In a retrofit or extension case with limited downtime, a number of previous IEDs can be replaced by an equivalent set of new or real IEDs of a different type, but configured to perform the same functions as the previous IEDs.
    • 在自动化系统(例如变电站自动化系统)中,通过远程重新配置和启动更换或备用智能电子设备(IED)可以减少维修时间,维护人员需要花费更多的时间修复无效或故障 IED。 实际维修的时间与系统可用性无关,只要它与IED故障率相比足够短。 示例性实施例可以提供与热备用配置几乎相同的可用性,但是不需要将所有必需的IED加倍。 另外,备用IED被监督为健康状态,备用IED的故障在被使用之前被检测到。 对于连接到同一站总线和进程总线的同一类型的每组IED,只需要一个备用在线IED。 在有限的停机时间的改造或扩展案例中,以前的几个IED可以由等同的一组不同类型的新的或真正的IED替代,但被配置为执行与之前的IED相同的功能。