Recognition System for Awakening and Sleeping by Fuzzy Reasoning
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Awakening and sleeping are recognized as human behaviors by a gas-sensor output using a fuzzy reasoning. The gas sensor is made from a tin oxide and is sensitive for various gases. The sensor output has a daily periodical pattern. The pattern descends gradually during sleeping and ascends suddenly as of awakening. Recognition is performed using the characteristics of the pattern. At that time, the min-max compositional method is adopted. There are only six rules in this system.
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2001 ◽
Vol 121
(1)
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pp. 14-19
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2003 ◽
Vol 96
(1-2)
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pp. 180-189
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2016 ◽
Vol 108
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pp. 012019
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1994 ◽
Vol 21
(3)
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pp. 193-197
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