GAS DETECTING SYSTEM

GAS DETECTING SYSTEM

PURPOSE:To detect gas by utilizing spectrums of gas sensor signals corresponding to the temperature change. CONSTITUTION:The temperature of four gas sensors is changed smoothly, sampling of the outputs is carried out at ten points, and the results as 4X10 inputs are sent to an input neuron layer 12...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: NOMURA TORU, SHIOIRI AKIRA
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:PURPOSE:To detect gas by utilizing spectrums of gas sensor signals corresponding to the temperature change. CONSTITUTION:The temperature of four gas sensors is changed smoothly, sampling of the outputs is carried out at ten points, and the results as 4X10 inputs are sent to an input neuron layer 12 of a neural network 10. Then, these are sent out of four output neuron layers 16 through an interlayer 14 and four kinds of gases are analyzed qualitatively and quantitatively. Learning is carried out using a back propagation and based on the learning at the time of being used by a maker and a user, the neural network is grown.