交通信息服务品质控制体系

0交通信息服务品质控制体系（内部培训)北京世纪高通科技有限公司2014.2Copyright©2011CenNaviConfidential

Contents质量控制体系QualityControlSystem数据源评价方法DataSourceEvaluationMethods数据处理评价方法DataProcessingEvaluationMethods产品评价方法ProductEvaluationMethodsRoadTest路测AutomaticEvaluationSystem自动评价系统QualityControlSystemDataSourceCollectionDowntimeFeedbackcycleLengthcoverageratioValiddataratio……DataProcessingThreePhaseMethodProcessingefficiencyFaultratioTrafficflowAccuracy……DataTransmissionTransmissionefficiencyDowntimePacketlossratio……ProductDataTrafficflowAccuracyQbenchPerceptionAccuracy……ProcessKeyControlItemsOperationServiceDeploymenterrorrateFaultdetectedtimeFaultrecoverytimeSystemmaintenancetime……CustomerServiceFirstconnectionrateofthehotlineFirstresponserateofemailFirstproblemresolutionrate……QualityManagementSystemUser&CustomerFeedbackLT&MTProductEncodeAccuracyAttributeAccuracyMatchingAccuracy……Contents质量控制体系QualityControlSystem数据源评价方法DataSourceEvaluationMethods数据处理评价方法DataProcessingEvaluationMethods产品评价方法ProductEvaluationMethodsRoadTest路测AutomaticEvaluationSystemDataSourceEvaluationMethodsItemSub-ItemIndexExplainDataSourcingFCDGPS

timeAccuracy(IdenticalnumberbetweentheFCDGPStimeandRealtime/testsamplingnumbers)*100%FCD\SecondarydataFeedbackcycle(Meettherequirementsofnumberoffeedbackcycle/testsamplingnumbers)*100%SecondarydataRoadconditions(IdenticalnumberbetweenthesecondarydataandgroundtruthGPS/testsamplingnumbers)*100%FCD\SecondarydataBaseonNetworkCoverage(Releasedsectionsamountbydatasourceineachtimestamp/Sectionsamountofnetworkreleased)*100%(Releasedsectionsamountbydatasourceineachtimestamp/SectionsamountofLRreleased)*100%FCD\SecondarydataBaseonLRFCD\SecondarydataDownTimeAbnormalprovidedataoftimeaccumulatethesumFCD\SecondarydataDataquantityStability(Actuallyprovideddataquantityineachtimestamp/Protocolsthatprovidedataquantity)*100%FCDVehicleNumbers(ActuallyprovidedVehiclenumbers

ineachtimestamp/Protocolsthatprovidevehiclenumbers)*100%FCDFeedbackcycleRationality(Eachtimestamptomeetthestandardreturnperiodandreturncycle,and>270sthenumberofvehicles/actualnumberofvehicles)*100%FCD\SecondarydataFeedbackcycleTimelinessFCDGPStimedifferencebeforeandafterdata;BeforeandafterthesecondarydatatimedifferenceDataquantityStabilityExampleofDataSourceEvaluationFeedbackcycleAccuracyFeedbackcycleRationalityVehicleNumbersStabilityContents质量控制体系QualityControlSystem数据源评价方法DataSourceEvaluationMethods数据处理评价方法DataProcessingEvaluationMethods产品评价方法ProductEvaluationMethodsRoadTest路测AutomaticEvaluationSystem7北京：机场高速_南至北:三环至京平高速公路IDLength595673014501.682595673000020.149595673000040.576595673000151.487595673000120.9595673024200.403595673089820.571595674028130.174605604022470.242605604022272.299605604000010.268605604004822.167605604004810.181605604000050.352605604026131.155DataProcessing-ThreePhaseMethod8机场高速_南至北:三环至京平高速公路StatisticalResultContents质量控制体系QualityControlSystem数据源评价方法DataSourceEvaluationMethods数据处理评价方法DataProcessingEvaluationMethods产品评价方法ProductEvaluationMethodsRoadTest路测AutomaticEvaluationSystemProductDataEvaluationMethodsItemSub-ItemIndexExplainFM-RTICIP-RTICRealTimeTrafficFlowStateAccuracy(Identicalnumberbetweentheterminalandperception/Perceptionrecordnumbers)*100%CoverageMainHours(Releasedsectionsamountbysystemdataineachtimestamp/SectionsamountofLR

released)*100%

MainHours:Mon-Fri6:00-22:00Sat.,Sun.,Holiday8:00-21:00

OtherHours:MainHoursoutsideoftimeOtherHoursEventInformationAccuracy(Truthfulnesseventamountprovidedbyterminal/Eventamountbytest)*100%TimelinessTerminaldisplayeventstime-TruthfulnesseventOccurorRescissiontimeIP-TPEGRealtimeTrafficFlowQbench(Traveltime)DetailedRefer“QbenchEvaluationMethod”CoverageMain

HoursAver(Releasedsectionsamountbysystemdataineachtimestamp/SectionsamountofLRreleased)*100%

MainHours:Mon-Fri6:00-22:00Sat.,Sun.,Holiday8:00-21:00

OtherHours:MainHoursoutsideoftimeOtherHoursEventInformationAccuracy(Truthfulnesseventamountprovidedbyterminal/Eventamountbytest)*100%TimelinessTerminaldisplayeventstime-TruthfulnesseventOccurorRescissiontimeExampleofProductDataEvaluationSignalReceiveAreaStateAccuracy-PerceptionStateAccuracy-GroundTruthbyGPSCoverageRateContents质量控制体系QualityControlSystem数据源评价方法DataSourceEvaluationMethods数据处理评价方法DataProcessingEvaluationMethods产品评价方法ProductEvaluationMethodsRoadTest路测AutomaticEvaluationSystemFieldTestOverviewPreparation路测准备Schedule、personalplacement日程、人员安排Routeprogram路线规划Equipmentverify设备确认Implement路测实施FieldtestPlan路测方案Fieldtestdailyreport路测日报Dataprocessing数据处理GroundTruthDataprocessing标准数据处理FCDDatamatching系统数据匹配Dataevaluation数据评价GroundTruthTestingaccuracyGTT准确率Perceptionaccuracy感官准确率TrimbleDG-100GPSFieldTestPlan路测方案Input输入Process过程Output输出TrailRecords行车轨迹

*.csvPerceptionRecords目测记录表GPSTrail（Point/s)高频GPS点（点/秒）PerceptionTest≥3Persons感官≥3个人ImplementProcessImplement

-DetailedMethodTestvehicledrivealongthefixedroute路测车辆按照规划路线行驶TerminalNavigation导航设备GPSpathcollectionGPS轨迹采集设备Explanation说明：

A：Recordtrafficstatusinnavigationdeviceeachminute(Uponcustomerrequest)andensureGPSdeviceisworkingA：负责确认GPS采集设备性能、记录每分钟导航设备自车位置路况B,C,D,E:RecordtrafficstatusofrealroadB,C,D,E：记录目测感官真实路况InCarABCDEGPSDataGPS数据每秒记录PerceptionRoadstatus感官每分记录SystemData系统数据TerminalNavigation导航设备Compare比对OnthewayDataProcessingGTDProcessing标准答案处理GTD标准结果Input输入Process过程Output输出EncryptionGPSData密后轨迹数据EncryptionProcessing加密处理TrimbleDG-100GPSDataSystemData系统数据系统结果挑选SysData>D标准&系统结果DataBase基础数据PersonalCheck人工确认LocationTable位置参考ProcessSystem处理系统DataSource数据源FilterMapMatchingTravelTimeCalculationMM计算标准路况TimestampIDmatching通过时间戳、ID匹配SoftwareProcessingresultsconfirmed对软件处理结果确认PerceptionRecords感官记录DataEvaluation-example北京Beijing广州Guangzhou上海Shanghai深圳ShenzhenLOSAccuracybyPerceptionDec.2010极强Fortissimo：系统拥堵SysJamVs测试通畅GTDFree极弱Pianissimo：系统畅通SysFreeVs测试拥堵GTDJam一致Accordant：系统SysVs测试路况一致GTDLOSSame18CityQ-bench

（Jul.&Aug.&Sep.）Beijing0.785Shanghai0.730Shenzhen0.758Hangzhou0.701Ningbo0.747Wuxi0.701Tianjin0.768Nanjing0.766Wuhan0.751Fuzhou0.818Changsha0.704Shenyang0.744Qingdao0.881Changchun0.839

EvaluationConditionEvaluationperiod:2012.07.01~2012.09.28TraceLength:8KM,withRollingWindowUsingReal-timecalculationsystem

CurrentStatus(Q