Neural network compensation for sensors
July 26, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesElectrochemical gas sensors Neural net system for analyzing chromatographic peaks Odor sensing system Monitoring system for plant operation condition and its in-situ electrochemical electrode Apparatus for the electrochemical determination of the partial oxygen pressure in a liquid measuring medium Control unit of an internal combustion engine control unit utilizing a neural network to reduce deviations between exhaust gas constituents and predetermined values Neural network for processing both spatial and temporal data with time based back-propagation Electrochemical sensor Accumulating conveyor and control system Method of using enzyme electrode InventorsAssigneeApplicationNo. 506752 filed on 07/26/1995US Classes:205/785, With heating or temperature sensing204/406, With significant electrical circuitry or nominal computer device204/408, With means for temperature or pressure compensation205/775, ELECTROLYTIC ANALYSIS OR TESTING (PROCESS AND ELECTROLYTE COMPOSITION)205/782, For oxygen or oxygen containing compound (except water)706/16, Learning task706/31Multilayer feedforwardExaminersPrimary: Bell, Bruce F.Attorney, Agent or FirmInternational ClassG01N 027/26AbstractA method for correcting an output from an electrochemical cell sensor, having an output responsive to a concentration of sensed species in a stream, a pressure and a temperature in an interactive non-linear relationship, comprising the steps of providing a pressure sensor for producing an output responsive to a pressure in proximity to the electrochemical sensor; providing a temperature sensor for producing an output responsive to a temperature of said electrochemical sensor; and processing the outputs of the electrochemical sensor, pressure sensor and temperature sensor in a neural network having an output function which compensates said electrochemical sensor for changes in pressure and temperature to indicate a concentration of the sensed species. An apparatus is also provided, for compensating an electrochemical sensing apparatus, comprising an electrochemical sensor, being responsive to a sensed species, and an environmental variable; an environmental variable sensor, being responsive to said environmental variable; and a compensation network for producing a compensated output based on an output of said electrochemical sensor based and an output of said environmental variable sensor, said network comprising a neural network.Other References
Field of SearchWith means for temperature or pressure compensationWith significant electrical circuitry or nominal computer device Ion-sensitive electrode Organic membrane Gas sensing electrode With gas diffusion electrode ELECTROLYTIC ANALYSIS OR TESTING (PROCESS AND ELECTROLYTE COMPOSITION) For oxygen or oxygen containing compound (except water) With heating or temperature sensing |
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