センサシステムによる独居高齢者安否確認システム

概要

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In Japan, as the number of elderly persons increases, the demand for confirming the safety of these persons is also increasing. In order to confirm the safety of these elderly persons, various safety confirmation systems have been developed. One such example is a safety confirmation system which was developed to monitor the usage of an electric pot. In light of this, we developed a service system to confirm the safety of elderly persons by monitoring electric power consumption. This system cancels out the differences in electricity usage of each household from the differences in consumed power, making it unnecessary to conduct individual tuning. However, even this system cannot detect abnormalities in all cases. For example, our system could not detect abnormal states of elderly persons during times such as when they are bathing and sleeping. To overcome this we developed a new sensor system which is capable of monitoring situations, including when bathing, that until now have not been able to be successfully monitored. In this new system, we have also included a method to reduce quantity of detection data transmission by sorting information, depending on the degree of the emergency. The use of this new sensor system enabled us to pick up any blind spots that had not been monitored in safety confirmation during the monitoring of electric power consumption, and reduce the quantity of detection data transmission.