%0 Journal Article
%T 使用运动监视传感网络对行走过程中腿部屈伸角的跟踪
%A 董梁
%A 吴健康
%A 包晓明
%A 肖文栋
%J 自动化学报
%P 938-946
%D 2006
%X ？Anaccelerometry-basedgaitanalysisapproachviatheplatformofsensornetworkisreportedinthispaper.Thehardwareunitsofthesensornetworkarewearableaccelerometersthatareattachedatthelimbsofhumanbody.Forthespecifictaskofgaitanalysis,flexionanglesofthethighsduringgaitcyclesarecomputed.AKalmanfilterisdesignedtoestimatetheflexion-extensionangle,angularvelocityofthethighusingtheoutputofthewearableaccelerometers.Theproposedapproachhasbeenappliedtofoursubjectsandtheperformanceiscomparedwithvideobasedapproach.ComparativeresultsindicatethatwiththeproposedKalmanfilter,thesensornetworkisabletotrackthemovementofthethighsduringgaitcycleswithgoodaccuracyandsimultaneouslydetectmajorgaiteventoffootcontactfromthewaveformoftheangularvelocity.
%K Gaitanalysis
%K sensornetworks
%K Kalmanfilter
%K thighflexionangle
%U http://www.aas.net.cn/CN/abstract/abstract13777.shtml