車載事故緊急呼叫系統(tǒng)自動觸發(fā)加速度波形研究

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主題詞：自動緊急呼叫系統(tǒng)自動觸發(fā)加速度波形碰撞恢復系數(shù)臺車試驗中圖分類號：U467.14；U467.3 文獻標志碼：A DOI：10.19620/j.cnki.1000-3703.20240644

Research on Acceleration Pulse of Automatic Emergency Call System Automatic Trigger

LouLei，Gu Haiming，Wang Jingchen （CATARC Automotive Test Center （Tianjin） Co.，Ltd.， Tianjin 300300）

【Abstract】The purposeof thisstudy is to define the automatic triggering conditions for thenational standard of the Automatic Emergency CallSystem （AECS）in China，and tostandardize thetestconditions toimprove theeficiencyand accuracyofemergencyresponsetotrafficaccidents.ThepaperfirststudiesofthecurrentstatusofAECS-relatedstandards abroad，proposingthebasicprinciplesfortheutomatictriggeringconditionsofECSsuitableforChina，thatis，theollsion intensityrequiredforAECSautomatic trigeringshouldnotexcedthecolision intensityrequiredfortheairbagtobefired. Throughresearchontheairbagcalibrationstrategiesofdomesticcarandthecolectionofalargeamountofreal vehicle colisionaccelerationdata，thecolisiondynamicsinvriousdirectionswereanalyzed，theveiclebodymotioncharacteristics werestudied，ndtataproessingandsaiscalalsiserearrdut.celeationveforsoffoal，idd rearcollisions aredetermined，andthe testaccelerationcorridorsandvelocitychange parameters fortheautomatictrigering conditionsintheAECSstandardaredefinedacordingly.Theresultsof theverification testshowthatthedefiedautomatic trigeringconditionsaremoresensitivethanthe UnitedNations（UN）standards，whichcanefectivelyimprovetheresponse efficiency of AECS.

Keywords：Automatic Emergency Call System （AECS）Automatic trigger，Accelerationpulse oefficient of restitution，Sled test

【引用格式】婁磊，顧海明，王景琛，等.車載事故緊急呼叫系統(tǒng)自動觸發(fā)加速度波形研究[J].汽車技術，2025（6）：23-27.LOUL，GUHM，WANGJC，etal.ResearchonAccelerationPulse of Automatic Emergency CallSystem AutomaticTrigger[J]. Automobile Technology，2025（6）： 23-27.

1前言

車載事故緊急呼叫系統(tǒng)（AccidentEmergency CallSystem，AECS），能夠在車輛發(fā)生事故時，通過內部算法判斷事故的發(fā)生，自動將車輛的位置、碰撞強度等相關信息發(fā)送給救援服務平臺，同時與服務平臺建立通話連接。（剩余7112字）