A specially-equipped Roomba robot vacuum cleaner can now sense human emotional states. University of Calgary researchers published their results in a paper titled "Using Bio-electrical Signals to Influence the Social Behaviours of Domesticated Robots."
"Two distinct robotic behaviours corresponding to two extreme emotional states, either relaxed or stressed, are triggered when the stress reading reach a threshold. Robot actions are then influenced by these stress readings. When a person shows high stress (~levels 3 & 4), the robot enters its cleaning mode but moves away from the user so as not annoy them. When a person is relaxed (~level 1), the robot (if cleaning) approaches the person and then stops, simulating a pet sitting next to its owner. If the reading is in between these two levels, the robot continues operating in its current mode until the stress reading reaches a threshold."
Read more at Vacuum Cleaner Senses Human Emotions.
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