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基于增强现实的人体运动中穿戴设备动态监控系统

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对基于增强现实的人体运动中穿戴设备动态监控系统进行了研究,以篮球训练为例,提出了一种可穿戴设备动态监控系统,并设计了一种基于LSTM和注意力机制的步态轨迹预测模型,对运动员下肢的髋关节、膝关节和踝关节的角度进行实时在线分析,并获取运动员的步态轨迹预测结果.首先,对传统LSTM网络结构进行了研究与分析,然后搭建了基于LSTM和注意力机制的步态轨迹预测模型,随后对动态监控系统的整体框架进行了简单设计,最后对预测模型进行实验测试.测试结果表明:设计的基于LSTM和注意力机制预测模型的RMSE和MAE值明显低于基于传统LSTM预测模型,具有有效性,能够对运动员髋关节和踝关节的角度进行精准预测;基于LSTM和注意力机制的步态轨迹预测模型给出的轨迹预测结果,不论是从整体上看还是从细节上看,都与实际数据贴合地更好,几乎与真实的步态轨迹相重合,表明该模型的性能更好,更适用于设计可穿戴设备动态监控系统.
A Dynamic Monitoring System for Wearable Devices in Human Motion Based on Augmented Reality
This study investigates a dynamic monitoring system for wearable devices in human motion based on augmented reality.Taking basketball training as an example,a wearable device dynamic monitoring system is proposed,and a gait trajectory prediction model based on LSTM and attention mechanism is designed.Real time online analysis is conducted on the angles of athletes'hip,knee,and ankle joints,and the gait trajectory prediction results of athletes are obtained.Firstly,the traditional LSTM network struc-ture was studied and analyzed,and a gait trajectory prediction model based on LSTM and attention mechanism was constructed.Sub-sequently,the overall framework of the dynamic monitoring system was designed briefly,and finally,the prediction model was experi-mentally tested.The test results show that the RMSE and MAE values of the LSTM and attention mechanism prediction model de-signed in this article are significantly lower than those of the traditional LSTM prediction model,which is effective and can accurately predict the angles of athletes'hip and ankle joints;The trajectory prediction results provided by the gait trajectory prediction model based on LSTM and attention mechanism,both overall and in detail,are better aligned with actual data,almost overlapping with real gait trajectories,indicating that the performance of the model is better and more suitable for the design of wearable device dynamic monitoring systems in this paper.

dynamic monitoring systemLSTMattention mechanismgait trajectory prediction

杜前潮

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陕西中医药大学,陕西咸阳 712046

动态监控系统 LSTM 注意力机制 步态轨迹预测

陕西省体育局常规课题

2024

自动化与仪器仪表
重庆工业自动化仪表研究所,重庆市自动化与仪器仪表学会

自动化与仪器仪表

CSTPCD
影响因子:0.327
ISSN:1001-9227
年,卷(期):2024.(2)