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    • 3. 发明授权
    • Fault detection control system using dual bus architecture, and methods of using same
    • 使用双总线架构的故障检测控制系统及其使用方法
    • US06697696B1
    • 2004-02-24
    • US10085831
    • 2002-02-28
    • Susan HickeyElfido Coss, Jr.
    • Susan HickeyElfido Coss, Jr.
    • G06F1900
    • G05B19/41875G05B2219/31356G05B2219/32222Y02P90/12Y02P90/22Y02P90/86
    • The present invention is generally directed to a fault detection control system using dual bus architecture, and methods of using same. In one illustrative embodiment, the system comprises a plurality of process tools, each of the tools adapted to perform at least one process operation on at least one workpiece, at least one sensor that is operatively coupled to each of the process tools and adapted to sense at least one parameter associated with at least one process operation, an initial fault detection unit coupled to an instrument bus, the initial fault detection unit adapted to receive data from at least one sensor on each of the plurality of process tools via the instrument bus, and a primary fault detection unit operatively coupled to a manufacturing execution system and a system bus, the data from the sensors on each of the plurality of process tools being provided to the primary fault detection unit after the data is processed in the initial fault detection unit. In one illustrative embodiment, one of the methods of identifying faults in a manufacturing system comprises processing a workpiece in a process tool, obtaining data regarding the processing of the workpiece in the process tool via at least one sensor that is operatively coupled to the process tool, providing the data obtained by the at least one sensor to an initial fault detection unit that is adapted to receive the data via an instrument bus, the initial fault detection unit determining if an alarm condition exists, and providing the data to a primary fault detection control unit via a system bus after the data is processed through the initial fault detection unit.
    • 本发明一般涉及使用双总线架构的故障检测控制系统及其使用方法。 在一个说明性实施例中,系统包括多个处理工具,每个工具适于在至少一个工件上执行至少一个过程操作,至少一个传感器可操作地耦合到每个处理工具并适于感测 与至少一个过程操作相关联的至少一个参数,耦合到仪器总线的初始故障检测单元,所述初始故障检测单元适于经由所述仪表总线从所述多个处理工具中的每一个上的至少一个传感器接收数据, 以及可操作地耦合到制造执行系统和系统总线的主故障检测单元,在所述初始故障检测单元中处理所述数据之后,将来自所述多个处理工具中的每一个上的传感器的数据提供给所述主故障检测单元 。 在一个说明性实施例中,识别制造系统中的故障的方法之一包括在处理工具中处理工件,通过可操作地耦合到处理工具的至少一个传感器获得关于处理工具中的工件的处理的数据 将由所述至少一个传感器获得的数据提供给适于经由仪表总线接收数据的初始故障检测单元,所述初始故障检测单元确定是否存在报警条件,并将所述数据提供给主要故障检测 在通过初始故障检测单元处理数据之后,通过系统总线控制单元。