Core Viewpoint - The performance of humanoid robots at the opening ceremony of the 15th National Games showcased advancements in robotics technology, particularly in collaborative music performance, highlighting the potential for robots to achieve precision and synchronization comparable to human musicians [1] Group 1: Technology and Innovation - The humanoid robots performed using "bronze jue," an ancient musical instrument, requiring precise control of striking position and force, which poses significant challenges for both humans and robots [1] - The largest bronze jue used in the performance measures 64 cm in height and weighs 40 kg, while the smallest is 36.8 cm tall and weighs 10.75 kg, indicating the scale and complexity of the instruments involved [1] - Achievements in group intelligence, multimodal large models, and "humanoid eyes" stereo vision perception were crucial for enabling the robots to perform accurately [1] Group 2: Performance Metrics - The robots achieved millimeter-level striking precision with an error margin of within 2 mm, and the synchronization error among the three robots was within 10 milliseconds, demonstrating high levels of coordination [1] - The robots were able to strike each bronze jue with a stability and precision that rivals human musicians, showcasing the potential for humanoid robots in performing arts [1]

Core Viewpoint - The performance of humanoid robots playing the ancient bronze musical instrument "Qing Tong Ju Zhi" at the opening ceremony of the 15th National Games showcases advancements in robotics and artificial intelligence, highlighting the potential for robots to perform complex tasks traditionally done by humans [1]. Group 1: Technological Advancements - The humanoid robots demonstrated precise control in playing the "Qing Tong Ju Zhi," achieving millimeter-level striking accuracy with an error margin of within 2 millimeters [1]. - The synchronization of the three robots was impressive, with a movement error of only 10 milliseconds, indicating significant progress in multi-robot coordination [1]. - The technology utilized includes breakthroughs in group intelligence, multi-modal large models, and dual-eye stereoscopic vision perception, which are essential for the robots to perform collaboratively [1]. Group 2: Physical Specifications - The robots varied in size, with the largest measuring 64 centimeters in height and weighing 40 kilograms, while the smallest stood at 36.8 centimeters and weighed 10.75 kilograms [1]. - The engineering team faced challenges in ensuring the robots could work together effectively, which required advanced technological solutions [1].