汽车网络方案(1)

FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004AES2005汽车网络方案06April2005RainerMakowitzSlide2FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004汽车:未来汽车AdvancedAirbagsOccupantPositionEngine/ABS/VehicleStabilityControlEmergencyCallIntelligentLighting未来汽车:电子系统的应用将使汽车更加智能化：更安全，舒适和安全。Slide3FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004汽车电子方案动力链变速箱巡航控制发动机控制交流发电机油门控制驾驶员信息系统仪表行驶仪导航系统底盘刹车牵引控制转向悬挂车身灯光空调雨刮动力窗天窗电动座椅中控制防夹窗安全轮胎压力监测系统安全气囊碰撞报警夜间睡意监视系统防盗遥控钥匙侵入报警安全报警Slide4FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004网络系统趋于复杂1970198019902000...网络复杂性导航系统CD充电器总线系统主动巡航控制安全气囊动态稳定性控制自适应变速箱控制稳定性Xenon灯BMW助驾后座娱乐DVD紧急电话伺服电子电子悬架电子变速箱空调控制防滑控制防抱死系统车载电话座椅加热电动后视镜电子喷射电子点火确认控制自动调速中控锁自动巡航定位导航夜视系统AFSI+IIX-AGS42V系统Internet端口Telematics在线服务蓝牙系统车载办公本地危险报警集成安全系统刹车线传动转向线传动i-Drive燃料电池LH2车道偏离监视系统个性化软件升级力反馈踏板Slide5FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004车内通讯网络系统Slide6FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004目前的汽车网络结构LightingCtrlCDMultiFunctSteeringWhPark-DistCtrlTV-TunerVideoModVideoMonitorNavigationMobilePhMultiFunctDisplayITS-BusCAN-CClimateCtrlIntell.Transportation&CommunicationBodyCAN-BRadioHiFiDSPStand-ByHeatingCAN(diagnostics)SolenoidEngineCtrlGearBoxCtrlElectricWiperWish-WashSquibPowerTrainChassisD2B,MOSTLINSensor(Comfort,Safety,LINLightLevelRegulationLighting,Instrumentation)LeftDoorModuleRemoteKeyl.EntrySun-RoofRightDoorModuleSeatControlCtrlPanelVehicleDynamicsTTxClimatePanelDCMotorAirBagBrakeE-PowerSteeringCentralECU&GatewayInstrument.StepperMotorSlide7FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004目前车内网络协议进展对汽车不同的应用领域和控制对象有不同的应用协议:•传统的车身和发动机系统主要应用CAN•机械电子类型的应用（比如智能传感器，执行器，或者具有简单通讯功能的ECU）要求低速的通讯协议比如，LIN,J-1850,和其它几个大的OEM供应商应用的协议•与底盘和发动机安全有关的系统要求高容错，独立的协议，比如FlexRay•汽车娱乐系统要求高速，高带宽甚至无线连接的协议，比如MOST,D2B,或者蓝牙Slide8FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004节点相对成本0.512.55J1850(PWM)CAN-BCAN-CTTP/C25M20K10M1M125K数据率[bit/s]Bluetooth嵌入控制多媒体D2B网络系统MOSTDC-BUSUSBTT-CANJ1850(VPW)byteflightIEEE1394Slide9FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004relativecommunicationcostpernode0.51J1850(PWM)CAN-B20K125K数据率[bit/s]车身网络系统J1850(VPW)不同应用•转向柱(开关,传感器)•气候控制(马达,传感器)•天窗控制(灯光/雨量传感器,柔性控制)•门控(后视镜,电动窗,控制面板)•座椅控制(马达)•面板控制•灯光控制•智能雨刮•遥控门锁•智能调压器DC-BUSSlide10FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004relativecommunicationcostpernodeJ1850(PWM)CAN-B数据率[bit/s]动力链网络J1850(PWM)CAN-BCAN-CTT-CAN25M20K10M1M125K0.512.55不同应用•电子油门•转向角传感器•转向模块•发动机管理Slide11FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004不同应用•X-bywire(油门,转向,刹车)•汽车控制主网•动力转向(ESP)•电子稳定性控制•主动悬架•发动机控制•自动驾驶relativecommunicationcostpernode0.512.5525M20K10M1M125K数据率[bit/s]底盘控制网络系统TTP/CTT-CANbyteflightCAN-CSlide12FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespectiveowners.©FreescaleSemiconductor,Inc.2004每个节点的相对成本0.512.5525M20K10M1M125K数据率[bit/s]BluetoothD2B多媒体网络系统MOST不同应用•Telematics控制单元•GPS导航•手机接口•数字收音机(数据服务,CD充电器)•放大器/主动扬声器•语音识别与控制•安全/内部通讯•视频相机•后座娱乐系统(DVD,显示,游戏站）•电视调谐器•方便接入的端口•车内办公IEEE1394USBSlide13FreescaleSemiconductorConfidentialProprietary.Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.Allotherproductorservicenamesarethepropertyoftheirrespe