If cloud privacy risks turned you off Google’s Nest, MIT may have a better answer

Researchers at MIT say devices and software they’ve developed will give you an accurate reading of energy usage in the home, without siphoning off private data to the cloud.

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The MIT researchers believe their wireless energy-monitoring system will cost around $30 per household if it is commercialized and will also offer users valuable insights into energy usage in the home.

Importantly, most of the data is processed at home rather than in the cloud, addressing privacy concerns about using home monitoring systems, such as the thermostat from Google-owned Nest.

According to MIT, the system has been tested at a military training base where it revealed that tents were being heated even when they were unoccupied during the day. Another test at a home revealed that copper plumbing was carrying potential live voltage.

The theory behind the system is detailed in the current issue of the IEEE Sensors Journal. The paper presents a new calibration technique that allows the use of non-contact electromagnetic field sensors to monitor currents in cables from a distance.

If the system works as envisaged, installation should be simple, as the user only needs to attach small sensors to incoming power lines. The sensors do not need to be precisely located, and since there’s no dangerous wiring, they won’t need to involve expensive electricians.

source – http://www.zdnet.com/article/if-cloud-privacy-risks-turned-you-off-googles-nest-mit-may-have-a-better-answer/

Author: georged31093

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