BOSCH EMS系统概述

©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview1M(E)7发动机管理系统概述1、M(E)7系统的特点及优势2、基本功能及扩展3、ECU软、硬件4、零部件5、项目开发及匹配的主要内容及流程©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview2BOSCH-MOTRONIC系统的发展过程©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview3M(E)7系统的最主要特点：基于发动机理论模型的EMS系统-充气计算模型：通过所包含的残余废气子模型、排气背压子模型及进气温度子模型等可以精确计算出发动机每循环的实际充气质量，作为扭矩控制及喷油计算的基础。-负荷预测模型：基于进气歧管压力梯度的变化，在喷油前预测出本循环的实际充气量作为动态工况油膜计算的基础。-扭矩计算模型：建立在实测基础上的包含点火定时及空燃比变化的扭矩模型，是贯穿此系统的主线。-排温保护模型：建立在实测基础上的排气温度模型包含了空燃比、点火定时及环境温度变化对其的影响，能够更好地平衡催化器保护与油耗之间的矛盾。©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview4ME7加入电子节气门控制的MotronicOBDII,EOBDLEV,ULEVEUIII,EUIV16BitμCM(E)7带有怠速控制的MotronicMEG7加入电子节气门控制和变速箱控制的MotronicMED7加入汽油直接喷射电子节气门控的MotronicM(E)7系统的分类©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview5512kBFlash以扭矩为变量的结构满足目前的与今后的排放法规的要求灵活的标定硬件与软件的模块化满足目前及今后的OBD要求16位计中央处理器、时钟24兆赫功能得到改进驾驶性能得到改善M(E)7系统的优点©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview61、M(E)7系统的特点及优势2、基本功能及扩展3、ECU软、硬件4、零部件5、项目开发及匹配的主要内容及流程©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview7M(E)7系统功能基本功能催化器加热控制4缸顺序喷射分缸爆震自适应控制1x1，1x2,2x2等多种方式的点火控制冷却风扇控制速度测量空调压缩机控制节气门位置测量车速和发动机转速限制功能压力传感器负荷测量两点式或线性氧传感器空燃比闭环控制炭罐控制扩展功能混合气自适应控制CAN总线，防盗功能，巡航等车辆控制排温保护VVT，Turbo，EGR，CBR，SU等发动机控制基于模型的过渡工况自适应控制EOBD自诊断系统基于模型的扭矩控制怠速控制©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview8M(E)7系统主要函数命名规律函数名称功能例子%A-ECU输出控制的函数%ADVE,%AEKP%BB-进行标志位判断的函数%BBGANG，%BBKHZ%BG-有关变量的计算的函数%BGMSDK,%BGPIRG%D-与诊断相关的所有函数%DDG,%DDVE%ES-喷油量计算相关的函数%ESSTT,%ESUK%GG-传感器特性相关的函数%GGHFM,%GGPED%KR-爆震控制相关的函数%KRDY,%KRKE%LA-,%LR-Lambda计算及闭环控制相关的函数%LAMBTS,%LR%LL-怠速控制相关的函数%LLRMR,%LLRRM%MD-扭矩计算与控制相关的函数%MDBAS,%MDFAW%T-输出到诊断仪相关的函数%T2IMMO,%TC1MOD%U-电子油门安全监控相关的函数%UFACCC,%UFMIST%Z-点火提前角计算相关的函数%ZUE,%ZWBAS©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview9扭矩控制M(E)7系统的扭矩和喷油控制的主线喷油控制©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview101、M(E)7系统的特点及优势2、基本功能及扩展3、ECU软、硬件4、零部件5、匹配的主要内容及流程©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview1116位计中央处理器80C167512K闪存EPROM81针接口PRESSURECOMPENSATIONELEMENTECU外形图©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview12ECU硬件原理示意图©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview13ECU硬件模块图(Blockdiagram)©UAES,AJointVentureofRobertBoschGmbHandCNEMS,reservesallrightsevenintheeventofindustrialpropertyrights.WereserveallrightsofdisposalsuchascopyingandpassingontothirdpartiesUAES/EN2SummaryforGen_1a1.3lCBRVVTM(E)7-Overview14Stand:UAES/EN/EN12-PanECU-pinFunctionECU-pinFunctionFunctionECU-pin1LambdaHeating1(FET)LambdaHeating2(FET)43GND(Ignition)2Ignition2(BIP)Ignition1(BIP)5ECU-pinFunctionECU-pinFunctionFunctionECU-pinFunctionECU-pin81CAN_L(CF160)62CAN_H(CF160)Reserved43VIPfeedback(8bit)2480GND(Powerstage)61GND(Powerstage)Intakeairtemp.(8bit)42Accel.sensor(8bit)2379Phasesensor#160PSWswitchACpressure(10bit)41Temp.A/C(8bit)2278SensorGND#459Vehiclespeed(switch)Pedalpos.#2(10bit)40Brakelight2177Electricalload#258