Abstract
This paper describes an indoor behavioral monitoring system for improving the quality of life in ordinary houses. It employs a device that uses weak radio waves for transmitting the obtained data and it is designed such that it can be installed by a user without requiring any technical knowledge or extra constructions. This study focuses on determining the usage statistics of home electric appliances by using an electromagnetic field sensor as a detection device. The usage of the home appliances is determined by measuring the electromagnetic field that can be observed in an area near the appliance. It is assumed that these usage statistics could provide information regarding the indoor behavior of a subject. Since the sensor is not direction sensitive and does not require precise positioning and wiring, it can be easily installed in ordinary houses by the end users. For evaluating the practicability of the sensor unit, several simple tests have been performed. The results indicate that the proposed system could be useful for collecting the usage statistics of home appliances.
Highlights
In the wake of an increase in the elderly population and medical costs, preventive and epidemiological medicine plays a crucial role in reducing the costs incurred in medical and care insurance and healthcare
Nambu et al have hypothesized that this irregularity can be evaluated from the information regarding the usage of home electric appliances; further, they have proposed an algorithm for the detection of health conditions from television usage statistics [11]
We focused on the usage of home electric appliances
Summary
In the wake of an increase in the elderly population and medical costs, preventive and epidemiological medicine plays a crucial role in reducing the costs incurred in medical and care insurance and healthcare. A home healthcare network system with the cooperation of medical and paramedical staff was developed [8] These systems comprise many physical sensors such as magnet and motion sensors and require precise positioning and wiring for installation; most of these systems are installed by an engineer and the installation task is timeconsuming. Even if the system is useful for ensuring the selfhealthcare of a person living alone, a questionnaire administered to subjects indicates that continuous monitoring is not required [9, 10] Such a system should be easy to Recent studies have revealed that the physical and mental conditions of elderly people are reflected in their behavior; this behavioral pattern changes when they are unhealthy. The users are requested to wear or carry a RFID reader all the time, and that will be an obstacle since the data may not be obtained when the user forget wearing the reader
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