角度传感器SteeringAngleSensor解析优秀PPT.ppt

SteeringAngleSensor角度传感器1SteeringAngleSensor(SAS)roadcourse角度传感器发展历程2True Absolute Analog track+Gray Code trackGen III+确定值模拟轨+格雷码轨+GEN III+SAS角度传感器角度传感器Increment absoluteGen I 确定增量形第一代True AbsoluteGray Code trackGen III 确定值格雷码轨GEN III IncrementabsoluteGen II (Software)确定增量形Gen II（软件型）SteeringAngleSensor角度传感器Absolutevaluedeviceforsteeringpositionandanglespeed转向柱位置和角速度确定值测量装置Initializationaftermax.6最大六度后初始化Anglerange(3*360)测角范围(3*360)Resolution1,4辨别率1,4Tolerance0,2公差0,2Errortolerantsystem容错系统Contactlesslyworkingsystem无接触式工作系统Costoptimizationbyreductionofthenumberofsensors通过削减传感器数量达到成本最优化Multistepcodingsystem多步编码系统3SteeringAngleSensorAssembly角度传感器装配图Digitallycodedsensor数字型代码传感器Opticalsensorelements光学传感部件Redundantcodingsystem冗余编码系统2CONTROLLERSelectronicsconcept两个电子限制器sleepcurrent1mA静止电流 Failsafe mode故障探测-故障平安模式Cost and light intensity optimized due to sensor dedicated light distribution光传感器分布的设计使成本和亮度最优化Black code wheel carries light reflecting tracks黑色解码轮在光反射轨迹上Lightdistribution光安排Codingisreachedbyreflection通过反射解码Safetyrecordofthefunction,thelighttransmitterisreachedbyaspecialGrayCodearrangement.Areceiverwithlightisfundamentalsubjected,thusthatthesoftwareofeveryonewasentitledthesteeringwheelanglesensortodiagnose.功能的平安记录,光放射器通过特定的灰度编码支配.光接受器基本对应,因此每个接受器的软件程序均棵诊断角度传感器.1314analog Track.Block Diagram模块接线图模块接线图主回路主回路副回路副回路角度传感器探测角度传感器探测旋转传感器探测旋转传感器探测电源电源HS-CANLIN-接口接口唤醒唤醒可选可选Analog Track Sensor Electronictopic电子课题Digitalcodedsensor数字编码传感器Safetyconceptintegratedinthesystem:2-controllerconcept平安性集成系统:2个限制器Redundancyforsensorreading传感器读取冗余Redundancyformonitoringcruisecontrol监视巡航限制冗余ExternalwindowwatchdogWatchdogtimerineachcontroller-mutualsurveillanceMonitoringofbatteryvoltage每个限制器的外部的看门狗和看门狗时钟-交互式监视电池电压EEPROM4kBitEEPRPM4K位High(/Low)speedC-CANinterface高速(低速)C-CAN接口LINinterfaceLIN接口Quiescentcurrentduringignitionoff:0A点火关时静态电流:0A15Firmwaretopic紧固件课题Controller限制器CodeMemoryspace:编码内存空间ControllerA(Master):A限制器(主限制器)32kByteROM/Flash32K字节ROM/FLASH2kByteRAM2K字节RAMControllerB(Slave):B限制器(副限制器)16kByteROM/Flash16K字节ROM/FLASH2kByteRAM2K字节RAM16Main Modules主要模块 OSEK RTOS/TRW RTOSOSEK RTOS/TRW RTOS Inputs/Outputs输入/输出 Angle Data Acquisition角度数据采集 System Control系统限制 Diagnostics诊断 EEPROM/Failsafe MemoryEEPROM/故障平安内存 OSEK NetworkmanagementOSEK 网管 CAN communicationCAN 通讯 LIN communicationLIN 通讯 Intercontroller communication交互限制通讯 Flasher Driver闪光驱动