INFORMATION TECHNOLOGY

The new bio-like quadruped robot realizes a variety of ecological transformations


On September 6, the reporter learned from Southern University of Science and Technology that Tang Zhao, Ph.D. of the Department of Mechanical and Energy Engineering of SUSTech, and Dai Jiansheng, academician of the Royal Academy of Engineering and Chair Professor of SUSTech, were awarded the 2022 “Best Journal Paper Award” of the internationally renowned journal “ASME Journal of Mechanism and Robotics Technology” in recognition of the outstanding contribution of the journal paper to the field of mechanism and robotics.

It is understood that a new type of bio-like robot proposed in the paper, the cellularized robot Origaker, is a bio-quadruped robot based on the space cellularization mechanism. The robot is able to transform different biological forms such as reptiles, arthropods and mammals without the need for disassembly and reassembly.

Through the combination of the mutant mechanism and the quadruped robot, Origaker realizes the rotation of the trunk structure in both vertical and horizontal directions, realizes different changes in the trunk mechanism, changes the position relationship between the trunk and the legs, completes the body transformation and evolution of different types of organisms, and demonstrates the wonderful structural evolution and polymorphism and versatility of the evolutionary robot.

In addition, the paper demonstrates a series of new gait and movement strategies, such as rapid rotation gait, stair climbing gait, self-recovery after falling, folding contraction, crossing narrow passages and right-angle bends to change direction instantaneously. Through theoretical analysis and experimental tests, the study has proved that Origaker can carry out a variety of ecological transformations. In reptile biomorphology, it has good omnidirectional movement performance; In arthropod biomorphology, it is more suitable to climb over vertical obstacles; In mammalian morphology, some narrower passages can be crossed.

By reconstructing and using trunk-leg coordination, Origaker combines the movement characteristics of three different footed animals in nature, improving the robot’s speed, stability and adaptability to complex terrain. The design and functionality of the Origaker makes it extremely flexible and adaptable to a variety of environments and tasks.

This internationally leading research achievement has laid a solid foundation for the future development of more advanced next-generation bio-like cells, especially structural intelligent evolution robots and intelligent control algorithms. (Source: China Science News, Diao Wenhui)

Related paper information:https://doi.org/10.1115/1.4054408

Metacellular biopod robots are highly adaptable to changes and environments in the wild Photo courtesy of the research team



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