Abstract

Many sensors and systems have been developed for detecting disasters in domestic circumstances, such as gas leaks and fires. In general, only one sensor is used for detecting one kind of disaster. If there should be a malfunction in a sensor of this system, it will be immediately ineffective. A new type of system with improved reliability that can detect three kinds of disasters, gas leaks, generation of carbon monoxide gas and fires, has been constructed by the use of four kinds of sensors. Furthermore, the system adopts fuzzy reasoning, which has simple membership functions and can estimate the grade of each disaster.

Full Text
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