中国汽车技术论坛_TecWare应用-汽车耐久性863项目会议

合集下载
  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
The Durability Alliance
Accelerating the development process
2 制定加速试验计划
Aim: select measurements to match damage potential of target *5 ~ ~ *2
selected time histories
汽车耐久性过程
数据采集
载荷数据处理
LMS TecWare
台架试验
IST RS Labsite (RS TWR/RS Rain) LMS TecWare
CAE
LMS Virtual.Lab Motion LMS Virtual.Lab Durability LMS Loads Prediction The Durability Alliance
LMS solution LMS TecWare
Accelerating the Durability Process
报告人 吴卫东
The Durability Alliance The Durability Alliance
Accelerating the development process Accelerating the development process
Accelerating the development process


10 年经验 10 年经验 定义试车场试验计划 定义试车场试验计划



The Durability Alliance
Accelerating the development process
mwenku.baidu.comnimize the difference
mix of tracks
target
3 道路之间当量系数分析
Nürburgring length 20.8 km
CanAm course length 5.2 km
1 制定目标载荷谱
Requirements Requirements
customers
probability density
applied loading
regions
strength
criterion
‘design customer’ (target) usage usage
customer loading correlation customer loading correlation
The Durability Alliance
Accelerating the development process
3 道路之间当量系数分析
to achieve comparable numbers: Extrapolation of CanAm course with the parameters: (length) factor: 3 smoothing: 10 to the length of 15.6 km
CanAm course length 5.2 km Nürburgring length 20.8 km
3 spindle forces: longitudinal lateral vertical
The Durability Alliance
Accelerating the development process
The Durability Alliance
Accelerating the development process
1 制定目标载荷谱-相应的数据处理
时域信号处理 雨流统计 雨流外推-更长的里程 雨流外推-更严酷的驾驶员工况 雨流叠加
event
special test
load history
Rainflow matrices
Accelerating the development process
LMS 道路载荷谱的相关应用
1 制定目标载荷谱 2 制定加速试验计划 3 道路之间当量系数分析 4 载荷特征分析 5 小载荷删除 6 数字道路测量
The Durability Alliance
Accelerating the development process
V L L
test track
V L L
The Durability Alliance
Accelerating the development process
1 制定目标载荷谱-相应的数据处理
时域信号处理 雨流统计 雨流外推-更长的里程 雨流外推-更严酷的驾驶员工况 雨流叠加 test track
4 载荷特征分析-多轴雨流统计 Fy Fz Fx Fy Fz
CanAm (15.6 km) Similar load influence sphere for both courses Similar load influence sphere for both courses
The Durability Alliance
p p
Rim Rim
p
p
长度: • 多数长于 1 km • 某些 3 to 4 km 范围
DaimlerChrysler
Volkswagen
再次合作 2 客户
The Durability Alliance
Accelerating the development process
LMS 参考用户-试车场试验计划设计
• 试车场设计 • DaimlerChrysler (Mercedes passenger car): 为设计新试车场而开发LMS TecWare CombiTrack (1995) 试车场比较 • Porsche: Nuerburgring vs. Porsche proving ground • BMW: Russian proving ground vs. BMW proving ground • DaimlerChrysler (Mercedes truck): Germany vs. Japan vs. Korea 公共道路数据采集 • Ford Otosan • DaimlerChrysler (Mercedes truck) • many, many others… 驾驶员监测 • Audi, BMW, Mercedes, Porsche, Toyota, VW 试验计划设计 • Ford, Opel, Honda, Renault, Faurecia 试车场使用权 • Ford Lommel PG (“Flanders DRIVE”), others, … The Durability Alliance
The Durability Alliance
Accelerating the development process
6 数字道路测量
客户 • Volkswagen • BMW • Porsche • Opel • Alfa Romeo • Renault • Toyota • Honda • PSA 国家: • Germany • Europe • Japan
Accelerating the development process
Nürburgring
Fx
5 小载荷删除
time domain rainflow domain
LMS RP-Filter:
actual operation in time domain: loading sequence unchanged decisions made for rainflow: elimination driven by damage multiaxial loading: phasing between channels unchanged
10
special test
% Superposition
et
V L L
25 %
6 5%
t rg a
customer 1%
ar T
et g
The Durability Alliance
Accelerating the development process
2 制定加速试验计划
Track1_modif (regular car)
Track2_modif (regular car)
Track3_modif (regular car)
Track4 (regular car)
Track5 (regular car)
Target
CombiTrack CombiTrack optimization optimization
Optimization result: repetition factors Ki for each track Optimization result: repetition factors Ki for each track
extrapolate
V L L V L L V L L
special test
edit design
customer 1%
The Durability Alliance
Accelerating the development process
1 制定目标载荷谱-相应的数据处理
时域信号处理 雨流统计 雨流外推-更长的里程 雨流外推-更严酷的驾驶员工况 雨流叠加 test track
target
measured time histories
• Global damage: match damage of the full matrix • Partial damage: match damage within many overlapping windows for clusters of the matrix
相关文档
最新文档