Abstract
This paper describes a power supply tap which can acquire power consumption history and control the power supply of home appliances plugged into it. Besides it has shape and apperance that user can put on accessible place (e.g. a television rack). It can be utilized for a power monitoring and controlling system. The system realizes comfortable, safety and energy saving condition by on-off contorlling of ready-made home appliances. In this paper, development of a prototype of the tap (iTap) is introduced, and as some typical application examples of the iTap, following three services are described to automatic on-off control of ready-made home appliance. (1) Classification of home appliances whether on-off control is acceptable, (2) automatic on-off control by association analysis and (3) automatic off control by detection of abnormal power consumption via clustering.
