I'm not certain what comes to your mind when you read the words "robotic wheelchair" in the headline. Perhaps a normal wheelchair that is pushed by a robot like C3PO, or one that runs on completely on automation (like an R2-D2 wheelchair, if we can extend the Star Wars metaphor).
Actually, this is a concept project from the Saitama University Human and Robot Interaction Center. As you can see from the picture, there is no separate robot doing the pushing, but the wheelchair behind the person in the photo is automated, to some degree.
The wheelchair has a built-in distance sensor and camera system that can track the position of someone in front of them, and follow them. It can also follow someone who is on the side of them, which is easier for conversation.
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