机器人的“折纸”骨架如何实现“小身材，大能量”？

Core Insights - The article discusses the innovative FoRoGated structure developed by a research team from Seoul University, which combines origami techniques and weaving to create a highly efficient and scalable robotic mechanism [4][10][12]. Group 1: Technology and Innovation - The FoRoGated structure addresses the challenge of creating a compact yet strong robotic arm that can both store efficiently and bear significant loads [5][9]. - Traditional telescopic mechanisms face limitations in terms of bending resistance and compactness, often requiring trade-offs between strength and size [6][9]. - The new design allows for a multi-layer structure that provides high strength and rigidity while maintaining compact storage capabilities [10][12]. Group 2: Performance Evaluation - The mechanical performance of the FoRoGated structure shows high scalability and directional strength, with bending stiffness and critical load capacity increasing linearly with the number of strips used [18][19]. - In comparative tests, a two-strip FoRoGated structure demonstrated 1.55 times the bending stiffness and over three times the critical bending moment of traditional structures like the TRAC arm [21]. - As the number of strips increases, the strength in non-primary directions also significantly improves, making it suitable for complex loading conditions [21]. Group 3: Practical Applications - The article highlights two impressive applications of the FoRoGated structure: a compact shelf-operating robot and a deployable mobile 3D printing robot [22][28]. - The compact robot features a FoRoGated structure that can extend to 1.6 meters while carrying a load of 0.5 kilograms, showcasing its utility in everyday environments [23][28]. - The 3D printing robot can expand to a height of 3.43 meters and support a 12.5-kilogram 3D printing system, demonstrating the structure's stability and precision in high-demand tasks [32].