CASIA OpenIR  > 精密感知与控制研究中心  > 精密感知与控制
苏虎1,2; 徐德1,3; 黄艳龙1,2; 谭民1
Source Publication自动化学报
Abstract 提出了一种新的回球速度计算模型, 达到以期望的落球速度定点回球的目的. 首先, 忽略了运动过程中马格努斯力的影响, 以多项式拟合乒乓球的运动轨迹, 利用LM 算法求解得到回球速度的初始值. 然后, 提出了一种新的基于区域分割的经验数据存储与替换模式, 经线性拟合经验数据得到回球速度, 并与初始速度求加权平均值, 作为模糊调节的初始值. 分析了回球速度的各分量对落点误差的影响, 根据预测的落点误差, 利用模糊算法调节回球速度, 将调整后的结果用于控制回球过程中的球拍位姿与击球速度. 实验结果验证了方法的有效性.
Other AbstractA model of computing the desired velocity of returning balls is developed so that the robot could return the incoming ball to a desired point on the table with a speci¯ed landing velocity. Firstly, three polynomials of the °ying time are used to ¯t the ball0s trajectory while neglecting the e®ort of the Magnus force; the initial velocity is obtained after
the coe±cients of the polynomials are estimated using LM algorithm. Then, a new con¯guration of storing and replacing experimental data is introduced; the result is received by ¯tting the stored data. The weighted average of the two results is regarded as the original value of the fuzzy correcting algorithm. With the analysis of the in°uence of the desired velocity on the error between the actual landing point and the desired point, the velocity is tuned using the fuzzy algorithm after the landing point is predicted. The tuned velocity is the eventual result for controlling the striking speed and posture of the paddle in the process of returning the ball. Finally, experiments were well conducted to verify the performance of the
proposed method.
Keyword回球速度 自调节模糊控制器 乒乓球机器人 飞行模型 经验数据
Document Type期刊论文
Corresponding Author苏虎
First Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Automation, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
苏虎,徐德,黄艳龙,等. 基于模糊自调节算法的乒乓球机器人回球速度计算[J]. 自动化学报,2012,38(6):923-931.
APA 苏虎,徐德,黄艳龙,&谭民.(2012).基于模糊自调节算法的乒乓球机器人回球速度计算.自动化学报,38(6),923-931.
MLA 苏虎,et al."基于模糊自调节算法的乒乓球机器人回球速度计算".自动化学报 38.6(2012):923-931.
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