Post on 19-Aug-2020
transcript
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Passion. Innovation. Solutions.
Diesel EngineDevelopment
North America
USA
South America
Brazil
Europe
Germany
France
United Kingdom
Italy
Sweden
Russia
Poland
Spain
Asia
China
India
Japan
South Korea
Taiwan
Thailand
Turkey
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Safety Factor – Lower water jacket@ constant mean stress
1.19
1.25
1.501.75
2.0010.00
SF_A
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TOPexpert
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Engine mechanics
and NVH
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Full size engineDemonstrator Vehicle
Optical engine-Pmax 150 bar-IMEPmax 10 bar
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1. Cycle Definition
2. Cycle ReductionKey points: “Modes”Load spectrum by chassis dyno tests or simulation
3. DoE based modelingFor each mode: DoE processBut: No calibration optimization
4. Global Map OptimizationDirect optimization of cycle emissionsMap smoothness optimization
5. ValidationEngine test bench Chassis dyno testing
Time0 100 200 300 400 500 600 700 800 900 1000 1100 1200
Time0 100 200 300 400 500 600 700 800 900 1000 1100 1200700 800 900 1000 1100 1200
Cumulated emissions
New! Direct optimization of complete maps
New! Integration of EAS
New! Simultaneous optimization for multiple cycles
New! Definition of global modes for efficient variant
calibrationNew! Global models
ModesPointsModesPoints
Key features & benefitsSimplified longitudinal vehicle and drive train model
Calculation of engine speed and load from the vehicle speed & known gear change profile
Easy parameterization
Saving and loading of vehicle model parameterization
Denormalization of Heavy-Duty cycles based on full load and drag torque incl. NTE area
Filtering of overrun and idle conditions
Bozys + Cycle Simulation
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Key features & benefitsOptimal reduction of load spectrum to replacement modes by k-means clustering algorithmFree configuration of speed-load leverageIntroduction of fixed user-defined modes in reduction processMerging of different local mode sets and optimized distribution of global modesExtraction of convex hullsRedistribution of dwell times for individual variants using triangulation
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1. Identification TestsStandardized transient test sequencesTool-aided test execution
3. Calibration optimizationAutomatic determination of controller parametersConsideration of input saturationsIndividual shaping of loop response
4. ValidationIn-vehicle validation of closed-loop controller performance
2. Plant identificationAutomated data evaluation (step-detection, etc.)Automated determination of transfer behavior
Optimization of single variant based single set of base data– 1 Calibration / variant
Optimization for multiple variants with 1 calibration– 1 Calibration for all variants
Analysis of different trade-offs e.g. – EAS cost vs. F/E– Shift strategy vs. F/E– Variant specific calibration vs.
single calibration for all variants– …
Powerful tool to calibrate & estimate impact of H/W changes
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SCRDOC / CDPF
AdBlueTank
NO2/NOx-ratio
Dosed AdBlue
Ureaconcentration
DOCageing
NOx-concentration
DCU
Injectorerror SCR
ageing
Enginedetoriation
AdBluedilution
Temp
T sens.error
NOx sen-.sor error
NOx emissionmodel
Ureadepoits
NOx-sensor error
NOx-concentration
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O2 (Ref.)
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2020
for Professionals
for Project Mgrs.
Basic
Introduction
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Portfolio analysis tools with various reportsDiagrams
KPIs
Project Reporting (Ampelbogen)
Monthly project reporting, includingKPIs (Project Controlling)Evaluation of – Customer satisfaction, technical status,
schedule performance, Risks & opportunities
Portfolio Management
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