Method and system for simulation-based troubleshooting and fault verification in operator-controlled complex systems
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United States of America Patent
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app pub date -
Sep 16, 2005
filing date -
Jul 1, 2004
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Abandoned
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Abstract
Troubleshooting a cause of anomalous behavior observed during operation of a complex system is enabled by a simulation system that permits an operator to operate a simulation of the complex system to initial control conditions in which the anomalous behavior was observed, and suspend the simulation to input fault symptoms observed during the anomalous behavior. The system selects fault scenarios using the input fault symptoms, injects a selected fault scenario into the simulation, and compares a behavior of the fault-inserted simulation to a behavior of a fault-free simulation operating under the initial control conditions to extract fault symptoms, in order to determine whether the anomalous behavior is reproduced by any inserted fault scenario.
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