Sporting Goods, Fitness and Recreation Equipment Design Tenniix AI Tennis Robot by Chen Chen Designed as an intelligent training device, this tennis robot integrates artificial intelligence, voice interaction, and autonomous mobility into a unified system. A dual-vision sensing architecture enables real time tracking of player position and ball trajectory, allowing the machine to dynamically adjust its movement and positioning for consistent and realistic rally delivery. The interaction system is structured around natural voice input, reducing operational complexity and enhancing usability.