Advances in Ball Trajectory Prediction for Light Weight Autonomous Table Tennis Robotic Arm: A Holistic Review
DOI:
https://doi.org/10.70112/ajeat-2025.14.2.4319Keywords:
Autonomous Table-Tennis Robots, Ball Trajectory Prediction, Computer Vision, Reinforcement Learning, Deep LearningAbstract
Autonomous table-tennis robots represent a cutting-edge application of reinforcement learning, deep learning, and computer vision for dynamic, real-time tasks. Ball trajectory prediction remains a critical challenge, requiring high-speed detection, tracking, and motion forecasting under spin and aerodynamic effects. Recent advancements integrating multi-vision systems with machine learning have significantly enhanced prediction accuracy [3]. Hybrid stereo vision architectures with robot-mounted cameras achieve bounce-prediction errors of 1–3 m and sub-40 cm accuracy at close range [4]. Deep neural networks report detection accuracies exceeding 81% [5], while LSTM models effectively capture nonlinear flight dynamics influenced by spin, drag, and Magnus forces. Reinforcement learning frameworks, particularly DDPG with physics-guided reward functions, enable lightweight robots to learn striking strategies, achieving hit rates exceeding 96% [6]. Coupling these approaches with predictive modules allows proactive control decisions [7]. High-speed vision systems operating above 100 fps, combined with GPU-accelerated processing, ensure millisecond-level responsiveness [8]. CNN-based spin estimation and three-dimensional reconstruction via stereo triangulation enable continuous trajectory refinement using receding-horizon prediction. Compact robotic arms and humanoid platforms leverage model-based planning and RL-driven motion generation for coordinated play. The fusion of computer vision, deep learning, and reinforcement learning defines the state of the art in autonomous table-tennis robotics and lays the groundwork for broader dynamic robotic applications.
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