《智能传感器装调与测试（双语）》课件-7.毫米波雷达装调及测试

毫米波雷达装调及测试Installation,CommissioningandTestingofMillimeter-waveRadar出现“前车距离检测

不准”“无法触发碰撞预警”

最好有相关图片素材Ifthereare"inaccuratedistancedetectionofthefrontvehicle"and"failuretotriggercollisionwarning",itisbesttohaverelevantpicturematerials碰撞检测实验Collisiondetectiontest导入Import行业痛点：30%辅助驾驶故障源于雷达装调/品质问题Industrypainpoint:30%ofassisteddrivingfaultsarecausedbyradarinstallation&commissioning/qualityproblems雷达作用：精准测量距离、速度、角度，全天候工作Radarfunction:accuratelymeasuredistance,speed,andangle,andworkaroundtheclock核心疑问：如何检测品质？怎样规范装调？如何读取数据？Corequestion:Howtodetectthequality?Howtoregulateinstallationandcommissioning?Howtoreadthedata?PART01毫米波雷达品质检测QualityDetectionofMillimeter-waveRadar外观与性能参数检测要点KeyPointsofAppearanceandPerformanceParameterDetection谷毫米波雷达外观Appearanceofmillimeter-waveradar外观与硬件检测Appearanceandhardwaredetection1检查雷达外壳是否有破损、裂纹，接口是否完好，引脚无弯曲、氧化。Checkwhethertheradarhousingisdamagedorcracked,whethertheinterfaceisintact,andwhetherthepinsarebentoroxidized.核对雷达型号与实训需求匹配。Checkwhethertheradarmodelmatchesthepracticerequirements.用万用表测量雷达供电电压。Useamultimetertomeasuretheradarpowersupplyvoltage.外观与性能参数检测要点KeyPointsofAppearanceandPerformanceParameterDetection毫米波雷达检测两车之间距离Millimeter-waveradardetectsthedistancebetweentwovehicles基础性能参数检测Detectionofbasicperformanceparameters2借助雷达测试平台，检测雷达的探测距离范围、测速范围、测角范围，需符合产品技术手册要求。Usetheradartestplatformtodetectthedetectiondistancerange,speedmeasurementrangeandanglemeasurementrangeoftheradar,whichmustmeettherequirementsoftheproducttechnicalmanual.检测雷达的分辨率：比如能否区分同一车道内前后两辆间距5米的车辆，确保目标识别无混淆。Detectionradarresolution:forexample,whetheritcandistinguishbetweentwovehicles5metersapartinthesamelanetoensurethatthereisnoconfusionintargetrecognition.外观与性能参数检测要点KeyPointsofAppearanceandPerformanceParameterDetection环境适应性预检测Environmentaladaptabilitypre-inspection3模拟高温（60℃）、低温环境（-40℃），检测雷达工作稳定性，无数据丢失、误报现象。Simulatehightemperature(60°C)andlowtemperatureenvironments(-40°C)todetecttheworkingstabilityofradarwithoutdatalossorfalsealarm.测试雷达抗干扰能力：避免电磁干扰影响性能。Testtheradar'santi-interferenceability:avoidelectromagneticinterferenceaffectingperformance.检测标准Detectionstandard所有参数需在产品技术手册规定的误差范围内。Detectionstandard:Allparametersmustbewithintheerrorrangespecifiedintheproducttechnicalmanual.PART02毫米波雷达装调InstallationandCommissioningofMillimeter-waveRadar装调与基准Installation,CommissioningandBenchmark步骤一：装调前准备Step1:Preparationbeforeinstallationandcommissioning准备扭矩扳手、水平仪、卷尺、CAN分析仪及原厂支架，确保装调过程精确可控。Preparetorquewrenches,levelgauge,tapemeasures,CANanalyzersandoriginalbracketstoensurethattheinstallationandcommissioningprocessisaccurateandcontrollable.工具准备Toolspreparation-工具准备-Toolspreparation将车辆停放于水平地面，方向盘回正，断开蓄电池负极，确保安装过程安全无电干扰。Parkthevehicleonalevelground,returnthesteeringwheeltoitsoriginalposition,disconnectthenegativepoleofthebattery,andensurethattheinstallationprocessissafeandfreeofelectricalinterference.车辆准备Vehiclepreparation-关闭车辆电源-Turnoffthevehiclepowersupply装调与基准Installation,CommissioningandBenchmark步骤二：基准校准Step2:Benchmarkcalibration雷达中心线与车身中心偏差≤1mm，安装面俯仰≤0.5°，建立高精度零点参考。Thedeviationbetweentheradarcenterlineandthevehiclebodycenteris≤1mm,theinstallationsurfacepitchis≤0.5°,andahigh-precisionzeropointreferenceisestablished.-安装前期基础校准-Foundationcalibrationbeforeinstallation安装固定与角度调试Installation,fixingandanglecommissioning步骤三：安装固定Step3:Installationandfixing使用原厂支架，扭矩8-10N·m均匀锁紧，线束弯曲半径≥10cm，远离高温部件，避免干涉与磨损。Usetheoriginalbracket,tightenevenlywithatorqueof8-10N·m,andkeeptheharnessbendingradius≥10cmawayfromhigh-temperaturecomponentstoavoidinterferenceandwear.安装毫米波雷达Installationofmillimeter-waveradar步骤四：角度调试Step4:Anglecommissioning俯仰角设定0.5°-1.5°向下，水平角0°，确保波束覆盖前方路面，兼顾ACC与AEB功能需求。Thepitchangleissetto0.5°-1.5°downwardandthehorizontalangleis0°toensurethatthebeamcoverstheroadahead,takingintoaccountthefunctionalrequirementsofACCandAEB.水平仪角度调整Angleadjustmentoflevelgauge紧固验证与注意事项TighteningVerificationandPrecautions扭矩复检Torquere-inspection复测螺栓扭矩，确保无松动或过紧，防止壳体变形或固定失效。Re-measurethebolttorquetoensurethatthereisnoloosenessorovertighteningtopreventshelldeformationorfixationfailure.线束固定Harnessfixture线束扣间隔≤30cm，避免振动磨损，确保长期运行可靠性。Thespacingbetweenharnessbucklesis≤30cmtoavoidvibrationwearandensurelong-termoperationalreliability.故障码检查Faultcodeinspection连接CAN分析仪仪读取Radar_Status，确认无故障码输出，系统自检通过。ConnecttheCANanalyzertoreadRadar_Status,confirmthatthereisnofaultcodeoutput,andpassthesystemself-test.操作规范Operationspecification全程记录安装参数，形成可追溯报告，降低售后返修率。Recordtheinstallationparametersthroughouttheprocess,formatraceabilityreport,andreducetheafter-salesrepairrate.PART04雷达数据读取与判读ReadingandInterpretationofRadarData读取准备与协议配置ReadPreparationandProtocolConfiguration连接CAN卡ConnectCANcard硬件连接与软件配置Hardwareconnectionandsoftwareconfiguration设备连接：将CAN总线分析仪的接口与毫米波CAN线连接，打开诊断软件。Equipmentconnection:connecttheinterfaceoftheCANbusanalyzertothemillimeter-waveCANlineandopenthediagnosticsoftware.协议匹配：建立诊断仪与毫米波雷达的通信。Protocolmatching:establishcommunicationbetweenthediagnosticinstrumentandthemillimeter-waveradar.核心数据字段与误差门限CoreDataFieldsandErrorThresholds连接CAN卡ConnectCANcard距离Distance距离数据：读取雷达探测到的目标物体与车辆的距离，可通过在车辆前方5米处放置角反射锥，验证数据准确性（误差≤±0.5m）。Distancedata:readthedistancebetweenthetargetobjectdetectedbytheradarandthevehicle.Theaccuracyofthedatacanbeverifiedbyplacingacornerreflectioncone5metersinfrontofthevehicle(error≤±0.5m).角度Angle角度数据：读取目标物体的水平角度，验证雷达对左右侧目标的识别能力。Angledata:readthehorizontalangleofthetargetobjectandverifytheradar'sabilitytoidentifyleftandrighttargets.判定依据Criterion状态数据：读取雷达的工作状态、故障码。Statusdata:readtheworkingstatusandfaultcodeoftheradar.数据稳定性验证方法DataStabilityVerificationMethod稳定性验证Stabilityverification连续记录10组目标数据，距离波动≤±0.3m，报文周期稳定、ID无跳变；若出现周期性丢帧或数值突变，应回头检查装调角度、线束屏蔽及电源纹波，培养学员通过数据反向追溯硬件问题的能力，实现闭环调试。Continuouslyrecord10setsoftargetdata,withdistancefluctuation≤±0.3m,stablemessagecycleandnoIDjump;ifperiodicframelossorvaluemutationoccurs,theinstallationandcommissioningangle,wiringharnessshielding