CB2

A grey toddler robot.
CB2 has cameras in its eyes and tactile sensors under its skin. Photo: Yoshikazu Tsuno/AFP/GettyImages

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.

Creator

Osaka University

Year
2006
Country
Japan 🇯🇵
Categories
Features
The pneumatic child robot in action. Video: Robot Watch Impress

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Appearance

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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.
CB2 mimics the behavior of a toddler. Photo: Yoshikazu Tsuno/AFP/GettyImages
Close up of the robots face with a wide open mouth and expression of suprise.
CB2 can mimic facial expressions. Photo: Osaka University

More Images

A man in glasses holds open the side of the robots "skin" to show the electronics within.
The robot is powered by pneumatic actuators. Photo: Yoshikazu Tsuno/AFP/GettyImages
People gather around the child sized robot.
Researchers at Osaka University work with CB2. Photo: Osaka University
A rear view shows the robots black tether.
A tether is used to power its actuators and electronics. Photo: Osaka University

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.