The robot is a highly complex system composed of various components, including power modules, actuators, sensors, motion mechanisms, environmental interaction systems, and human-computer interfaces. However, China has long faced challenges in the development of legged robots. Bipedal robots, for instance, are often unstable due to their shifting center of gravity, making them prone to falling and lacking sufficient support strength. Current methods still struggle to match the natural balance of humans, and even modern bipedal robots have difficulty navigating rough terrain.
Recently, Yushu Technology made a breakthrough by releasing Laikago, the first officially launched four-legged robot in China. This marks a significant step forward in the country's robotics industry. In the field of legged robotics, Boston Dynamics has been a global leader since its founding in 1992. Over the past two decades, they have developed impressive machines such as Petman, BigDog, and Spot. Their four-legged robots have consistently demonstrated advanced mobility and adaptability.
Now, Chinese companies are catching up, with Laikago being one of the most promising examples. The robot weighs just 22kg but features a self-developed motor system capable of delivering up to 18 kW of instantaneous power. Its power density is nearly double that of an average supercar, showcasing its impressive performance. Additionally, Laikago operates entirely on internal battery power, providing 2 to 3 hours of continuous walking on a single charge.
Yushu Technology also released a test video demonstrating Laikago’s ability to climb slopes, navigate rocky terrain, and replicate classic tests seen in Boston Dynamics' videos. The results were impressive, showing that Laikago can perform similarly to Boston’s BigDog.
While Laikago resembles Boston Dynamics’ SpotMini, experts note that it lacks some of the more advanced features, such as a visual system and manipulative arms. SpotMini can perform tasks autonomously and interact with objects, while Laikago is primarily focused on locomotion. Despite this, many researchers in the field have praised Laikago’s stability and overall performance.
Laikago was developed by Yushu Technology, a company founded in August 2022 by Wang Xingxing, who previously gained recognition for his small electric-driven four-legged robot, Xdog. According to Wang, the name “Laikago†comes from the first space dog, symbolizing innovation and exploration. The company aims to commercialize the robot, targeting universities, science museums, competitions, and tech enthusiasts—similar to how drone technology has evolved.
Wang estimates the price of Laikago to be between $20,000 and $30,000, with different versions available for developers and general users. While Boston Dynamics has struggled to turn its research into commercial products, Yushu Technology is taking a more practical approach.
Boston Dynamics hasn’t given up on commercialization either. At a recent workshop at the RSS conference, CEO Marc Raibert confirmed that the company plans to further reduce costs and introduce consumer-friendly robotic products.
In recent years, China has made steady progress in legged robotics. Companies like Iron Man Technology and institutions such as Shanghai Jiaotong University and Harbin Institute of Technology have all contributed to the field. Zhejiang University’s Robotics Laboratory is also working on a four-legged robot. With continued investment and innovation, the future of legged robotics in China looks promising.
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