车载事故紧急呼叫系统自动触发加速度波形研究

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主题词：自动紧急呼叫系统自动触发加速度波形碰撞恢复系数台车试验中图分类号：U467.14；U467.3 文献标志码：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】娄磊，顾海明，王景琛，等.车载事故紧急呼叫系统自动触发加速度波形研究[J].汽车技术，2025（6）：23-27.LOUL，GUHM，WANGJC，etal.ResearchonAccelerationPulse of Automatic Emergency CallSystem AutomaticTrigger[J]. Automobile Technology，2025（6）： 23-27.

1前言

车载事故紧急呼叫系统（AccidentEmergency CallSystem，AECS），能够在车辆发生事故时，通过内部算法判断事故的发生，自动将车辆的位置、碰撞强度等相关信息发送给救援服务平台，同时与服务平台建立通话连接。（剩余7112字）