Here is another robot that can give you a hug on-demand. The HuggieBot 2.0 has a soft, warm, inflated body and uses visual and haptic sensing to deliver a close hug. It can adapt to each user’s size and position.
The researchers used the Kinova JACO arms for this project for their safety features. Their low speed is one of the limitation of this robot. You can read more about it here.