基于多传感器信息融合的运动轨迹跟踪系统设计

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DOI：10.16652/j.issn.1004-373x.2025.16.023

中图分类号：TN957.8-34；TP391 文献标识码：A 文章编号：1004-373X（2025）16-0146-04

Design of motion trajectory tracking system based on multi-sensor information fusion

XIA Zhiyue

（ChinaUniversityofMiningand Technology，Xuzhou2211Oo，China）

Abstract：Singlesensordatacollction issusceptibletonoiseand interference，whichcanafecttheaccuracyof trajectory dataandincreasetrajectorytrackingerors.Onthisbasis，amotiontrajectorytrackingsystembasedonmulti-sensorinforation fusionisproposed.Theinertialsensorissetattheanklepositionof thehumanbodytocollctmotionposturedataandcalculate motionpositiondata.TheFMCWradarsensorisused totransmitandreceivesignals，andthefrequencydiferenceandtime dierenceareprocessedtolocatethepositionof human motion.The motion trajectorypositioningandtracking method basedon multi-sensorinformationfusionisusedtogenerateaccuratemotiontrajectorytrackingresultsbyfusingtwotypesofsensordata withdynamicweightingmethod.Theexperimentalresultsshowthatthedesignedsystemhassmalltrackingerrorfordiferent typesof athletes‘movement tracks，canreduce the noiseanderor that maybebroughtbyasingledata sourceby integrating different sensors data，and improve the tracking accuracy of movement tracks.

Keywords：multi-sensor;informationfusion；motion trajectory;trackingsystem；inertial sensor;FMCWradarsensor; dynamicweightingmethod

人体运动轨迹跟踪系统在体育竞技、训练任务中普遍使用，教练利用人体运动轨迹跟踪系统对运动员的动作进行详细分析1-2]，从而发现潜在的问题和改进点。（剩余3980字）