3 ms·

I was at a talk maybe 15 years ago in which the speaker gave pretty convincing evidence that given a time series of voltages you could learn a lot of things abo

• zdragnar 5mo ago
  There are a lot of devices that have reasonably distinct patterns to their power consumption. Motors- especially well pumps, but also large central air fans and some others- are going to look very different from a microwave or vacuum cleaner or refrigerator, especially if you have time of day on your readings. Constant lower draw devices- chargers, lights, speakers and such- are going to be harder to distinguish, though.
  • aix1 5mo ago
    Turns out it's a (somewhat) active area of research. https://ubicomplab.cs.washington.edu/pdfs/electrisense.pdf https://ubicomplab.cs.washington.edu/pdfs/electrisense.pdf https://www.researchgate.net/publication/266461208_Multimedia_Content_Identification_Through_Smart_Meter_Power_Usage_Profiles https://www.researchgate.net/publication/266461208_Multimedi... https://www.mdpi.com/1996-1073/14/9/2485 https://www.mdpi.com/1996-1073/14/9/2485