A Smart Home That Identifies Who Is Present, And Adjusts Itself According, Is The Very Definition Of A Smart Home.
Creating automated systems that can track the users and adapt to their behavior and preferences without manual intervention is the next step. Setting up a system to recognize the members as they move about the house is not an easy task. While these systems would be able to identify humans, they cannot identify the specific person. MIT researchers have built a system that takes a step toward fully automated smart home by identifying occupants, even when they’re not carrying mobile devices.
The system, called Duet, uses reflected wireless signals to localize individuals. It also uses logic to figure out who’s who, even in signal-denied areas.
Duet can also be used to recognize trespassers and gather data on behavioral-analytics insights for healthcare applications. Duet is a wireless sensor and works with a floor map of the house and identification tags of the members in the house. Since most people don’t carry their phones inside the house, the researchers integrated their devices with WiTrack, a device-free tracking system. Another issue they faced is that mirrors, tiles, and TV screens blocked the signals. In order to get around this, the researchers applied logical reasoning to localization. The team’s goal is to provide service for health monitoring applications and responsive smart homes.
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