Unitree B2: Yushu Power Inspection Four-legged Robot Dog Helps Intelligent Upgrading of the Power Industry

Recently, Unitree released the new B2 four-legged robot dog, focusing on meeting the needs of industry applications. This is the third important product released by Unitree in the second half of this year, along with the consumer-grade four-legged robot dog Go2 and the universal humanoid robot H1. Unitree's rapid research and development further proves their leading position in the global field of four-legged robot dogs

Unitree B2 has significantly improved in many aspects, including comprehensive endurance, joint performance and movement capabilities, high load carrying capacity and perception capabilities. These improvements enable B2 to be successfully used in various industrial scenarios. Especially in the field of power inspection, B2 has shown huge advantages.

Continuous operation capability of 5 hours, battery life increased by 200%

In order to provide excellent performance in various scenarios such as power inspection, emergency rescue, industrial testing, education and scientific research, B2 has been fully optimized and upgraded. The battery capacity has been expanded to 45000mAh, the rated energy reaches 2250Wh, and the battery life has been greatly increased by 200%.

According to Yushu official data, B2 can work continuously for more than 5 hours under no load. Even if it carries a 20kg load and continues to move, the working time can exceed 4 hours. This greatly solves the battery life problem in industry-level applications and improves the efficiency and reliability of inspection tasks

The joint performance has been improved by 170%, and the peak torque has reached 360N.m

In order to solve the difficulties in power inspection, Yushu Company focused on key issues and independently developed a new type of joint motor. This joint motor enables the peak torque of B2 to reach 360N.m, and the joint performance is improved by 170%

In multi-layer steel structures, especially the climbing process of hollow stairs has always been a difficult point for four-legged robot dogs. However, the B2 robot dog can easily climb steps up to 40 centimeters high, doubling its climbing ability compared to the previous generation product. By using joint motors with high peak torque, the B2 robot dog is able to complete more complex and challenging tasks. This technological breakthrough will greatly improve the efficiency and reliability of power inspections

The world’s fastest four-legged robot dog, running at a speed of 6 meters per second

According to previously released data, Unitree B2 is a four-legged robot dog that moves very fast. Its fastest moving speed can reach 6 meters/second, making it one of the fastest industrial-grade four-legged robot dogs on the market. In addition to running fast, B2 also has excellent jumping ability and can jump up to 1.6 meters. This makes B2 widely used in complex scenarios such as fire rescue and geological disaster rescue. In addition, there is also a B2-W wheeled robot dog that can be replaced and transformed, thereby breaking through the battery life limit and freely transforming.

120kg standing load capacity can meet demanding industrial special tasks

Different from inspection tasks, industrial-grade four-legged robot dogs need to have greater load capacity to handle tasks such as handling and assembly. B2 has made significant improvements in this regard, increasing its standing load capacity to 120kg and increasing its overall load capacity by 1.5 times. Rewritten: Different from inspection tasks, industrial-grade four-legged robot dogs need to have stronger load capacity and are used for tasks such as handling and assembly. B2 has made significant improvements in this regard, increasing its standing load capacity to 120kg and increasing its comprehensive load capacity by 1.5 times

In addition to the standing load capacity, the B2 can carry a load of more than 40kg in continuous walking. This means that whether it is carrying heavy objects, performing distribution tasks, or patrolling assembly modules, B2 can easily handle it.

Perception capabilities are further improved to better cope with complex operations in all scenarios

Facing the differentiated needs in industrial scenarios, B2 adopts a modular assembly solution that can support the installation of multiple sensors and optical cameras. In response to the needs of the construction and surveying and mapping industries, you can choose to install 3D lidar to achieve three-dimensional scanning of the working space, build a three-dimensional measurement map, and simultaneously perform tasks such as path planning and autonomous obstacle avoidance.

In addition, combined with the use of depth cameras, optical cameras and other modules, faster and more accurate positioning capabilities can be obtained.

IP67 level protection, no fear of severe cold or heat, fully coping with extreme operating environments

B2 has ultra-high protection capabilities and is suitable for extreme industrial environments. It not only inherits the full-scenario operation capabilities of B1, but also has IP67 dustproof and waterproof capabilities, and can operate stably in harsh environments such as high temperature and humidity, low temperature and cold, toxic and harmful gases. This excellent protection technology allows B2 to play a very important role in common scenarios such as survey and exploration, fire rescue, earthquake relief, medical epidemic prevention and disinfection

Yushu has successfully implemented intelligent operation and maintenance of robot dog power inspection, and has reached cooperation with dozens of cooperative customers

After 7 years of rapid growth, Yushu’s four-legged robot dog has completed comprehensive implementation. In order to solve the problem of untimely synchronization of manual inspection data, a remote intelligent inspection system has been customized to combine robot dog inspection/operation with manual verification. Combined, the workload is reduced by 80%. In addition, Yushu provides customized solutions, using four-legged robot dogs equipped with a variety of sensors to conduct inspections in small spaces, quickly discovering problems and reporting them. In the future, Yushu will continue to explore more industrial applications in the field of inspection.

Conclusion and the future

Yushu took the lead in realizing the commercial application of four-legged robot dogs as early as 2017, and pioneered a low-cost, high-performance four-legged robot dog technology solution. Unitree B2, as a new product of industrial four-legged robot dogs, has once again exceeded people's expectations for its application capabilities. With power inspection as its core, Yushu has also expanded its applications in fire rescue, medical disinfection, geological exploration, industrial testing and other fields. With the digital transformation of the inspection track, B2 will assume an important role in promoting industrial modernization and transformation, bringing more possibilities for change to the industry. Yushu is the leader in the four-legged robot dog industry and the innovator of intelligent inspection, bringing unlimited possibilities to the field of industrial intelligent manufacturing.

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