Boots – shoes – and leggings
Patent
1993-07-20
1995-04-25
Voeltz, Emanuel T.
Boots, shoes, and leggings
364510, 395 61, 395900, F16K 3102
Patent
active
054104955
ABSTRACT:
A processing system (10) includes a mass flow controller (22) operating in response to a plurality of control signals, and a data processor system (40). Data processor system (40) collects and stores data characterizing the plurality of control signals from the mass flow controller (22). Features are extracted from the data which characterizes failure modes of the mass flow controller (22), such as miscalibration and malfunction. Data processor system (40) combines there features represented by membership functions using fuzzy rules to diagnosis anomalous operation of the mass flow controller (22). If the mass flow controller 22 is miscalibrated, the data processor system 40 automatically recalibrates it by the rate-of-nie calibration procedure. In case of malfunction, a warning is raised to the operator. Processing system (10) employs self-learning techniques to initialize and refine the knowledge base.
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Donaldson Richard L.
Hiller William E.
Miller Craig Steven
Sorensen Douglas A.
Texas Instruments Incorporated
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