Data processing: generic control systems or specific application – Generic control system – apparatus or process – Having protection or reliability feature
Reexamination Certificate
2006-02-07
2006-02-07
Knight, Anthony (Department: 2121)
Data processing: generic control systems or specific application
Generic control system, apparatus or process
Having protection or reliability feature
C399S049000, C399S053000, C358S001900, C358S520000, C430S120400
Reexamination Certificate
active
06996442
ABSTRACT:
An impending fault of a component operated within a closed-loop control system can be detected. The close-loop control system is disabled. An actuator of the closed-loop control system is operated at one or more test values. A sensor reading of the actuator is taken while that actuator is operated at the one or more test values. A warning is generated if an impending fault condition is detected. An impending fault condition may be detected if the component operates at a value exceeding a maximum defined operating value, if the component operates at a value below a minimum defined operating value, or if an operating range that is narrower than a defined full operating range for the component is detected.
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Coleman Charles P.
Godambe Ashok V.
Scheuer Mark A.
Wickham Debbie S.
Chang Sunray
Knight Anthony
Oliff & Berridg,e PLC
Xerox Corporation
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