RoboAtlas
EN
AIST logoAIST

HRP

HRP-2

Price
Unknown
Type
Humanoid Robots
Subtype
Human-scale Humanoid
Status
Research platform
Release Date
2002
Country/Region
Japan
Last Verified
2026-08-14
30 axes
Total DOF
1.54 m
Height
58 kg
Weight
6 kg (both arms)
Payload

HRP-4 is a slim, lightweight humanoid research platform jointly developed by Kawada Industries and AIST. It has 34 degrees of freedom, 151 cm height, 39 kg mass, low-power joint motors, and an OpenRTM-aist control platform for human-cooperative robot research.

1 / 1HRP-2

Intelligence Profile

Control ApproachDemonstrated
Classical control

Capability Map

MobilityDemonstrated
Balance

AIST documents smooth HRP-2 transitions between face-up or face-down lying positions and standing, enabled by whole-body motion control of the center of gravity.

MobilityDemonstrated
Walking

AIST's HRP-series history states that HRP-2 was capable of bipedal walking and walking on narrow paths.

Hardware Specification

Physical Specifications

Height
1.54 m
Locomotion Type
Bipedal walking
Weight
58 kg
Width
620 mm

Mobility & Payload

Hand Payload
2 kgf per hand
Payload
6 kg (both arms)
Walking Speed
0–0.5556 m/s

Degrees of Freedom

Total DOF
30 axes

Mechanical Structure

Joint Sensor Type
Motor encoders

Sensors

Attitude Sensor
Three-axis gyroscope and three-axis accelerometer
Camera
Three cameras
Force/Torque Sensor
Six-axis force sensors in the arms and legs
Sensors
Torso: 3-axis vibration gyro and 3-axis velocity sensor; arms: 6-axis force sensors; legs: 6-axis force sensors.

Battery and Runtime

Battery Capacity
14.8 Ah
Battery Type
NiMH battery
Battery Voltage
DC 48 V
Power Supply
NiMH battery, DC 48V 14.8Ah

Development and Expansion

Operating Modes
Walking, lying down and getting up

Commercial Status

Status
Research platform
Price
Unknown
Release Date
2002

Timeline

  1. Robot release
    HRP-2
Submit info