CB2
![A grey toddler robot.](https://cdn.sanity.io/images/7p2whiua/production/9596d6c205176f87369ff6ce9f4f265b8f9469c1-2048x1536.jpg?w=900&auto=format)
CB2 is a humanoid that mimics the physical and mental capabilities of a 2-year-old child. Its human parents are using the robot to study robot learning and cognition.
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Did you know?
The robot's name stands for "Child robot with Biomimetic Body."
![A grey fleshed toddler sized humanoid robot lies down on cushions.](https://cdn.sanity.io/images/7p2whiua/production/a82006d84264331495e3f79aa1078ab4fb76da32-2048x1536.jpg?w=900&auto=format)
![Close up of the robots face with a wide open mouth and expression of suprise.](https://cdn.sanity.io/images/7p2whiua/production/eb87c5bb093d4b22098ff13eef41ebe28feb012b-2048x1536.jpg?w=900&auto=format)
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![A man in glasses holds open the side of the robots "skin" to show the electronics within.](https://cdn.sanity.io/images/7p2whiua/production/bc0b61b56e078035a79abe0d3929f6ec4a621287-2048x1536.jpg?rect=508,0,1032,1536&w=900&auto=format)
![People gather around the child sized robot.](https://cdn.sanity.io/images/7p2whiua/production/5e3f73df84c8c9ab58b6dcfbfda99929215f034d-2048x1536.jpg?rect=437,0,1174,1536&w=900&auto=format)
![A rear view shows the robots black tether.](https://cdn.sanity.io/images/7p2whiua/production/8c44ca92820d5b2bfd4b7c2ffda2a50894cec399-2048x1536.jpg?rect=452,0,1140,1536&w=900&auto=format)
Specs
- Overview
Equipped with flexible actuators and soft skin. Capable of producing babylike motions and standing up (with assistance from a human).
- Status
Inactive
- Year
2006
- Website
- Height
- 130 cm
- Weight
- 33 kg
- Sensors
Two cameras in the eyes, two microphones in the ears, 197 tactile sensors under the skin.
- Actuators
Five DC motors to control eyeballs and eyelids, and 51 pneumatic actuators to control the body.
- Degrees of Freedom (DoF)
- 63 (Eyes: 5 DoF x 2; Eyebrow: 1 DoF x 2; Cheek: 1 DoF x 2; Mouth: 5 DoF; Neck: 4 DoF; Arm and hand: 11 DoF x 2; Leg: 7 DoF x 2; Waist: 4 DoF)
- Materials
Plastic skull, metal skeleton, urethane foam.
- Compute
External Linux-based cluster controls actuators, image processing, audio processing, tactile information, and other functions.
- Power
External power supply and air compressor.