SEOUL – A legged-wheel military robot developed by Hyundai Rotem debuted at an international aerospace and defense exhibition hosted by South Korea. The Ultimate Mobility Vehicle (UMV) uses wheels on flat terrain, but intelligent robot legs use the ability to walk over rough terrain for various missions such as monitoring and transporting injured people and goods. Remote and autonomous driving is possible.
Hyundai Rotem, a subsidiary of South Korean automotive group Hyundai, said its transformable UMV called “DOSS (bold operations in service and research)” was on display at ADEX 2021, a five-day event that opened on October 19 at a military airport in Seongnam, a satellite city south of Seoul. DOSS combines intelligent robotic technology and wheels.
Based on Spot, a four-legged robot developed by Boston Dynamics, the automotive group in February 2021 revealed a legged and wheeled robot called TIGER (Transforming Intelligent Ground Excursion Robot). The approximately 0.8 meter (2.6 ft) robot was designed to navigate difficult terrain using a sophisticated leg and wheel locomotion system and various sensors.
Four-legged robots or wheel-legged type robots are developed by global robot manufacturers and technology companies for their versatility. Unlike their wheeled or tracked brethren, legged robots can roam over extreme terrain, including rocky boulders and narrow mountain trails. In an emergency, they can move faster in difficult terrain conditions to transport heavy goods or patients. When he gets stuck or has to move across terrain, TIGER uses his walking ability to lift himself off or move more easily.
In July, Hyundai Rotem delivered two six-wheeled unmanned ground vehicles (UGVs) for a military test operation. With day and night cameras, driving and surveillance images can be checked in real time via separate long-distance monitors. The upper front part is equipped with a remote controlled weapon post, and its rear part has a cargo box capable of carrying over 200 kilograms of cargo or carrying patients in an emergency.
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