乒乓球机器人核心算法研究综述

doi:10.16180/j.cnki.issn1007-7820.2023.12.003

Abstract

Abstract:

As a comprehensive research platform integrating machine vision and motion control, the research of table tennis robot has always attracted much attention. The complexity and high real-time of its mechanical mechanism, visual algorithm and motion control are important factors hindering the development of table tennis robot. In order to improve the competitive ability of table tennis robot, it is necessary to solve the problems of table tennis rotation measurement, accurate prediction of movement trajectory and selection of hitting strategy, which is also the focus of the research of table tennis robot in recent years. Based on the research progress in this field in recent years, this study focuses on the research results of table tennis robot vision core algorithm and ball return core algorithm, analyzes the advantages and disadvantages of different algorithms and prospects the future research trend, so as to provide a reference for the research and design of table tennis robot.

Key words: table tennis robot, trajectory prediction, hitting strategy, deep learning, reinforcement learning, rotation measurement, visual algorithm, collision model

CLC Number:

TP18

SUO Fangfei,JI Yunfeng. Review of the Research on the Core Algorithm of Table Tennis Robot[J].Electronic Science and Technology, 2023, 36(12): 16-24.

Figures/Tables 5

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References 44

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研究	方法	帧率/ frame·s^-1	估计精度
文献[2]	基于球表面标记直接测量	200	误差小于 1.28 rad·s^-1
文献[13]	通过飞行轨迹反向推导	200	在x方向误差小于5.36 rad·s^-1, 在y方向误差小于2.97 rad·s^-1

研究	方法	性能评价
文献[28]	使用K-means算法将轨迹进行分类	对于旋转来球回球成功率达到71.2%
文献[29]	通过反向传播(BPN)进行球的轨迹预测	非旋转球的轨迹预测偏差约为 37 mm,预测成功率达到88%
文献[30]	提出DCNN-LSTM模型	在仿真实验中对旋转球的轨迹预测成功率达到90%

研究	方法	性能评价
文献[36]	将空气动力学模型简化为线性模型	求解速度30 ms,落点误差小
文献[37]	将决策目标从某一点简化为某一块区域	求解速度1 ms,落点误差较大
文献[38]	对击球平面上每种状态进行求解,并将结果以表格形式保存	求解速度μs级,对固定点的落点误差小

作者	学会定点回球的效率	方法	性能评价
文献[40]	超过20 000 回合	基于蒙特卡洛的强化学习算法(仿真环境下)	误差小于0.05 m, 成功率99.22%
文献[41]	7 000条轨迹数据	通过人类演示训练动力学模型、虚拟现实环境	误差小于0.2 m, 成功率86.7%
文献[42]	200个回合以内	改进的DDPG算法	误差小于0.2 m, 成功率98%
文献[43]	超过70万个回合	改进的DDPG算法 (仿真环境下)	误差小于0.05 m, 成功率100%
文献[44]	50 000回合 (回击旋转球)	改进的DDPG算法、 LSTM网络	旋转球回球成功率高于70%

Review of the Research on the Core Algorithm of Table Tennis Robot

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