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Predictive sensor method and apparatusA predictive algorithm is used to determine, in near real time, the steady state response of a slow responding sensor such as hydrogen gas sensor of the type which produces an output current proportional to the partial pressure of the hydrogen present. A microprocessor connected to the sensor samples the sensor output at small regular time intervals and predicts the steady state response of the sensor in response to a perturbation in the parameter being sensed, based on the beginning and end samples of the sensor output for the current sample time interval.
Document ID
19910004378
Acquisition Source
Legacy CDMS
Document Type
Other - Patent Application
Authors
Nail, William L. (Sverdrup Technology, Inc., Bay Saint Louis MS., United States)
Koger, Thomas L. (NASA John C. Stennis Space Center Bay Saint Louis, MS, United States)
Cambridge, Vivien (Sverdrup Technology, Inc., Bay Saint Louis MS., United States)
Date Acquired
September 6, 2013
Publication Date
March 7, 1990
Subject Category
Instrumentation And Photography
Report/Patent Number
NAS 1.71:SSC-00006-1
Accession Number
91N13691
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
NASA-CASE-SSC-00006-1
Patent Application
US-PATENT-APPL-SN-489997

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