Cantilevered hip structure
Kawada says the cantilevered hip structure lets HRP-2 walk through narrow passages. [2]
AIST HRP-2
Specs, price & availability · verified Oct 2026
AIST HRP-2 is a 153.9 cm, 58 kg biped from National Institute of Advanced Industrial Science and Technology (AIST) (Japan), discontinued with no published price.
- Price
- Not disclosed
- Height
- 153.9 cm
- Weight
- 58 kg
- Total DoF
- 30
Last verified Oct 10, 2026
Price & availability
National Institute of Advanced Industrial Science and Technology (AIST) has not published a price
Discontinued
Current dataset status: Discontinued.
Product overview
About AIST HRP-2
HRP-2 Promet is a biped humanoid built by the National Institute of Advanced Industrial Science and Technology (AIST) and Kawada Industries under the Humanoid Robotics Project. AIST's September 2002 release covered the HRP-2P prototype; a later AIST release states that the final HRP-2 had been announced on 9 December 2002. The final developer specification gives a height of 1,539 mm, a weight of 58 kg including batteries and 30 degrees of freedom.
The robot has 6 degrees of freedom in each arm, 1 in each hand, 2 in the waist and 6 in each leg. Its cantilevered hip structure permits cross-legged steps through narrow passages, and compact electronics avoid the backpack used on HRP-1. The developer paper reports a maximum walking speed of 2.5 km/h.
Kawada describes HRP-2 as a research platform and says it was registered in 2017 in Japan's collection of important science and technology materials. The current Kawada product lineup no longer offers HRP-2, so it is listed as discontinued.
Capabilities
Key features
No backpack
High-density electronics remove the need for a backpack, according to AIST and Kawada. [1][2]
Research platform
Kawada presents HRP-2 as a platform for academic research. [2]
Museum collection
Kawada says HRP-2 was registered in 2017 in the National Museum of Nature and Science's collection of important science and technology materials. [2]
Hardware profile
Specifications
Official — stated by the manufacturer or organizerReported — stated by a credible third partyEstimated — derived or approximate
Body
Mobility
Power
- Battery
- 0.71 kWhReported — stated by a credible third party[8]48 V × 14.8 Ah NiMH battery = 0.7104 kWh; later modified research units used other packs
Hands & Manipulation
- DoF per hand
- 1Reported — stated by a credible third party[7]
- Payload
- 6 kgReported — stated by a credible third party[9]Conveyance weight using both arms; the same source lists 2 kgf hand grip per arm
- Hand / end effector
- 1-DoF gripper handsReported — stated by a credible third party[7]
Show unknown fields (7)
Mobility
- Peak joint torque
- Not published
Power
- Runtime
- Not published
- Charge time
- Not published
- Swappable battery
- Not published
Compute & Sensing
- Onboard compute
- Not published
- Sensors
- Not published
- AI stack
- Not published
Quick answers
AIST HRP-2 FAQ
Can you buy AIST HRP-2?
No general order page is verified. AIST HRP-2 is currently classified as discontinued. [1]
How tall is AIST HRP-2 and how much does it weigh?
AIST HRP-2 is 153.9 cm tall and weighs 58 kg (Final HRP-2, including batteries). [7]
How fast is AIST HRP-2?
Its stated maximum speed is 0.69 m/s; Developer paper states up to 2.5 km/h (0.694 m/s); an application paper lists 2.0 km/h. [7][9]
How much can AIST HRP-2 carry?
The listed payload is 6 kg; Conveyance weight using both arms; the same source lists 2 kgf hand grip per arm. [9]
How many degrees of freedom does AIST HRP-2 have?
AIST HRP-2 has 30 listed degrees of freedom; Final HRP-2; includes 1 DOF in each hand. [7]
Who makes AIST HRP-2?
AIST HRP-2 is made by National Institute of Advanced Industrial Science and Technology (AIST), based in Japan. [1]
What is the predecessor or successor of AIST HRP-2?
AIST HRP-1 is its predecessor; AIST HRP-3 is its successor. [1]
Side by side
Compare AIST HRP-2
Choose up to four robots for a sourced specification and price comparison.
Lineage
Model family
Evaluation footprint
Benchmarks & competitions
No benchmark embodiments or results reference this robot yet.
Related
Similar robots
Evidence
Sources
- [1]AIST press release on the HRP-2 prototype (2002) ↗National Institute of Advanced Industrial Science and Technology · official · accessed Oct 8, 2026
- [2]Kawada Robotics - research humanoid robots (HRP-2 Promet, HRP-3, HRP-4) ↗Kawada Robotics · official · accessed Oct 8, 2026
- [3]Blue-Collar Humanoid Robot, HRP-3 Promet Mk-II Developed ↗Kawasaki Heavy Industries · official · accessed Oct 8, 2026
- [4]File:HRP-2 front Science Museum Tokyo.jpg (Wikimedia Commons) ↗Wikimedia Commons · database · accessed Oct 8, 2026
- [5]File:HRP-2 side Science Museum Tokyo.jpg (Wikimedia Commons) ↗Wikimedia Commons · database · accessed Oct 8, 2026
- [6]AIST report on cooperative outdoor work with HRP-2 ↗National Institute of Advanced Industrial Science and Technology · official · accessed Oct 8, 2026
- [7]Humanoid Robot HRP-2 ↗IEEE International Conference on Robotics and Automation · paper · accessed Oct 8, 2026
- [8]Humanoid Robot HRP-4: Humanoid Robotics Platform with Lightweight and Slim Body ↗IEEE/RSJ International Conference on Intelligent Robots and Systems · paper · accessed Oct 8, 2026
- [9]Applicable Possibility Studies on a Humanoid Robot to Cooperative Work on Construction Site with a Human Worker ↗International Association for Automation and Robotics in Construction · paper · accessed Oct 8, 2026
- [10]Kawada Robotics product lineup ↗Kawada Robotics · official · accessed Oct 8, 2026