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The Humanoid Robotics Project (HRP) is a project for development of general domestic helper robots, sponsored by Japan's Ministry of Economy, Trade and Industry (METI) and New Energy and Industrial Technology Development Organization (NEDO), spearheaded by Kawada Industries and supported by the National Institute of Advanced Industrial Science and Technology (AIST) and Kawasaki Heavy Industries, Inc. The HRP series also goes by the name Promet. The HRP should not be confused with the HOAP series (Humanoid for Open Architecture Platform), which is manufactured by Fujitsu.

Features and technology

The project started with three Honda P3 which were bought from Honda.^[1] And, the project developed them as the HRP-1 with original features, such as telecommand system.^[1]^[2]

An interesting feature HRP-2 has is the ability to stand up again after lying flat on the floor, either on its back or front—something Honda's ASIMO is not able to do.

AIST and Kawada Industries have also revealed the HRP-4 bipedal humanoid. The HRP-4 stands 150 cm (5′) tall and weighs 39 kg (86 lbs).^[3]

Kawada Industries has also developed the NEXTAGE system, envisioned as a production robot that works alongside human workers. The NEXTAGE not a biped but consists of a torso and arms on a fixed base.

Specifications

		Honda P3¹ (1997)	HRP-1 (1997)	HRP-2P (1998)	HRP-2 Promet² (2002)	HRP-3P (2005)	HRP-3 Promet MK-II² (2007)	HRP-4C³ (2009)	HRP-4 (2010)
Weight		130 kg	130 kg	58 kg	58 kg	65 kg	68 kg	43 kg	39 kg
Height		160.0 cm	160 cm	154.0 cm	154.0 cm	160.0 cm	160.6 cm	170 cm	151 cm
Width		60.0 cm	60 cm	65.0 cm	62.0 cm	66.4 cm	69.3 cm		44.0 cm
Depth		55.5 cm	55.5 cm	34.0 cm		36.3 cm	41.0 cm		27.0 cm
Walking speed		2 km/h	2 km/h	2 km/h	2 km/h	2 km/h	2 km/h
Battery		Ni-Zn 135 V / 6 Ah		Ni-Mh 48 V / 18 Ah	Ni-Mh 48 V / 14.8 Ah				Ni-Mh
Continuous operating time		25 minutes	25 minutes			60 minutes	120 minutes	20 minutes
Degrees of Freedom		28	28	30	30	36	42	42	34
Sensors	Eye stereo camera	2	2	3	3	3	3
	Eye-camera	-	-	-	-	2	2
	Scanning range finder	-	-	-	-	-	Yes
Image
Price									26,000,000JPY

Notes:

1.^ – For reference to compare with the HRP-1.

2.^ - The external appearances of HRP-2 and HRP-3 were designed by Yutaka Izubuchi.^[4]^[5]^[6]

3.^ – "C" means "Cybernetic Human".^[7]

References

^ ^a ^b Junya Asano (April 2003). "HRPが最終成果を公開！" (PDF). Robocon Magazine (in Japanese). Ohmsha, Ltd. Retrieved 2010-06-12. {{cite news}}: External link in |work= (help)
^ 産総研、働く人間型ロボット開発の中間成果を発表. PC Watch (in Japanese). Impress Watch Corporation. 2002-04-10. Retrieved 2010-06-12.
^ ROBOCON Editorial (September 15, 2010) (June 2011). "･HRP-4" (in Japanese). Retrieved 2011-06-02.{{cite news}}: CS1 maint: numeric names: authors list (link)
^ "Humanoid Robot HRP-2 "Promet"". Kawada Industries, Inc. Kawada Industries, Inc. Archived from the original on 2016-03-04. Retrieved 2010-05-30.
^ "HRP-3 Promet Robot Blue Collar Style". Technovelgy LLC. Technovelgy LLC. 2007-06-20. Archived from the original on 2010-05-22. Retrieved 2010-05-30.
^ "人と共同作業を目指すロボット「HRP-2プロトタイプ」発表". PC Watch (in Japanese). Impress Watch. 2002-03-19. Archived from the original on 2008-02-04. Retrieved 2010-05-30.
^ "産総研、女性型ヒューマノイドロボット「HRP-4C」を発表". Robot Watch (in Japanese). Impress Watch. 2009-03-16. Retrieved 2010-05-30.