Kojiro
Kojiro
Tokyo UniversityUnknown
Research platformType
Humanoid Robots
Status
Research platform
Release Date
2007
Warranty
Unknown
Location
Japan
Last Verified
2026-07-02
1.33 m
Height
45 kg
Weight
Unknown
Payload
Kojiro is a humanoid with a musculoskeletal system that mimics how the human body works to generate motion. The goal is to build a robot that is light and agile, capable of moving much as people do.
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Specifications
Basic Information
Country
Japan
Manufacturer
Tokyo University
Release Date
2007
Robot Type
Humanoid robot
Body Specifications
Height
1.33 m
Material
Tendons made of synthetic fibers, including Vectran, Dyneema, and Zylon.
Weight
45 kg
Degrees of Freedom
Total DOF
56 DOF
Mechanical Structure
Actuator Model
Three 1.5-W DC motors, 20 4.5-W DC motors, and 76 40-W DC motors. Motors connected to cables to form artificial muscles.
Sensors
Sensors
Gyroscope, three-axis accelerometer, six-axis force sensors (in the ankles). Each actuator with rotary encoder, tension sensor, and current and temperature sensors.
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