Kalman filter state estimation for a manufacturing system
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United States of America Patent
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Jun 29, 2004
Grant Date -
N/A
app pub date -
Jul 31, 2002
filing date -
Sep 13, 2001
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Abstract
A method for monitoring a manufacturing system includes defining a plurality of observed states associated with the manufacturing system. State estimates are generated for the observed states. An uncertainty value is generated for each of the state estimates. Measurement data associated with an entity in the manufacturing system is received. The state estimates are updated based on the measurement data and the uncertainty values associated with the state estimates. A system for monitoring a manufacturing system includes a controller configured to define a plurality of observed states associated with the manufacturing system, generate state estimates for the observed states, generate an uncertainty value for each of the state estimates, receive measurement data associated with an entity in the manufacturing system, and update the state estimates based on the measurement data and the uncertainty values associated with the state estimates.
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