ABS-技术方案PPT课件

1、ABS9 Technical Proposal第九代ABS 技术方案,1,Contents 内容,ABS9 System DefinitionABS9系统的定义 ABS9 System Interfaces DefinitionABS9 系统接口定义 ABS9 System Development Technical Requirements ABS9 系统开发的相关技术要求 Standard ESP Development Plan标准的ESP开发计划,2,ABS System Interfaces Definitionsand RequirementsABS系统接口定义及要求,3,ABS9

2、 System Main Technical Definition 4 active wheel speed sensors 4-channel ABS HU With EBD function Diagnostics: CAN BLS: hardwired to ABS ABS/EBD Warning lamp: Active lamps via hardwire Wheel speed output: 2via hardwire Connector: 38 pins Sample/sop/Aftermarket: wet/dry/wet unit,ABS9 系统主要 技术定义 4个主动式轮

3、速传感器 4通道的ABS液压模块 有EBD功能 诊断协议： 制动灯开关信号： ABS、EBD报警灯：主动式，通过硬线 轮速信号输出：2个，通过硬线输出 38针博世标准接头 样品/量产/售后: 湿式/干式/湿式模块,4,ECU with HHC,轮速 WSS,制动灯开关 BLS,Hardwire,Hardwire,CAN BUS,EMS 发动机管理系统,BCM 车身仪表控制模块,Diag. Tool 诊断工具,Wheel speed/ABS&EBD Status,ABS/EBD warning lamp,Diag. command and response,Proposed ECU Layout

4、 for ABS9ABS9 的ECU结构方案图,5,ESP Interfaces to Brake System and Wiring HarnessESP与制动系统和线束的接口,Four ISO/JASO ports to individual Wheel Cylinders分别与四个制动轮缸相连的ISO/JASO制动油管接口 Two ISO/JASO ports to each Master Cylinder chamber 分别与制动主缸两腔相连的ISO/JASO制动油管接口,6,Port configuration for II-split 前后回路布置油管接口可选配置,7,Port

5、configuration for X-split 交叉回路布置油管接口可选配置,8,ABS System Development Technical Requirements ABS系统开发的相关技术要求,9,ABS System Influences对ABS系统有影响的因素,Vehicle dynamics车辆动力学特性 CoG height重心高度 Tire size and construction 轮胎尺寸和结构 Spring rates弹簧刚度 Anti roll bars横向稳定杆 Dampers减振特性 Steering Characteristics转向特性,Brake sy

6、stem制动系统 Master cylinder flow rate主缸流量 Brake pipe diameter and length 制动管直径和长度 Brake system volume consumption 制动系统的制动液消耗量 Pad material摩擦材料 Effective disc/friction radius有效摩擦半径,Load Distribution负荷分配 Wheel base轴距 Track width轮距 Weight distribution重量分配 Vehicle mass车辆质量,These components and characterist

7、ics should not be changed after software frozen, otherwise verification or even retune will be needed. 这些部件或特性在软件冻结后不应改变，否则需要进行验证甚至重新匹配试验,10,Meet ABS ASW CAN Signals Minimum Requirements 满足ABS算法对CAN信号的最低要求 Keep ESP System Influence components the same as production status 保证对ESP系统有影响的零件与生产状态一致 Elect

8、rically ready for application including Brake Light Switch/ESP PATA Switch/ Warning lamp/ Wiring harness/ Sensor installation 电气满足匹配要求，包括ESP开关、报警灯、线束和传感器的安装 AC/heating/illumination/speedometer is in good condition 空调、暖气、照明及车速表工作正常,Prototype Requirements 对匹配样车的要求,11,Standard ABS Development Plan 标准AB

9、S开发计划,12,Development Process,Define vehicle configurations / system variants System development & vehicle test planning Prototype obtained and retrofit for test Equipments calibration / brake & tire burnish Development software build and debugging High-mu test 1 Low-mu test & Joint Winter Test Submi

10、t Winter Test report High-mu test 2 & Joint Summer Test Safety software test Submit Summer Test report Performance customer approval and SW release Final technical documentation release D samples delivery to Customer PPAP process SOP,开发流程,定义车型配置 / 系统变量 系统开发及车辆试验计划 原型车到位及开发前改装 试验设备标定 / 磨合试验 开发软件生成和调试

11、 第一次高附着路面试验 低附着路面冬季试验及联合验收 提交冬季试验报告 第二次高附着路面试验及联合验收 安全软件测试 提交夏季试验报告 性能客户认可及软件发布 最终技术文件发布 提交工装样件给客户 生产件认证过程 量产,13,Std. ABS9 Project Development PlanABS9标准开发计划Assuming with Std. Bosch ECU, HU, sensors, no new development假定采用博世标准ECU，HU和各种传感器，没有新的开发过程,High mu test 1 高附着试验 1,EA,EV,SR,PPAP,SOP,EA: End of

12、Application 匹配结束 EV: End of Verification 认证结束 SR: Software Release 软件发布,Low mutest 低附着试验,High mu test 2 高附着试验 2,Equip Vehicle 装车,Safety SW Test 安全软件测试,Vehicle available at Bosch 样车送达博世,OTS-sample at Customer OTS-样件送达客户,D-sample at Customer D-样件送达客户,Summer joint test 夏季试验验收,B-sample at Customer B-样件送达客户,Winter joint test 冬季试验验收,C-sample at Customer C-样件送达客户,05/1st,03/2nd,05/2nd,07/2nd,08/2nd,09/2nd,11/2nd,