Week 01 - What is Euro VI?
- Emission norms
- Impact due to emission norms
- Diagnostic requirements
- Real World emissions
- On road emissions impact with different technologies
- Passenger and commercial vehicles norms
- Virtual calibration overview
- Resources available to user such as publications, blogs
- Diesel_VGT_EGR model overview
- EngState_Vehicle_Aftertreatment_NEDC overview
Week 02 - Case Study for Diesel Passenger Car
- ICE current status- Astom Martin, Vitesco eCAT, BMW iHydrogen, Mahle Jet Ignition technology
- Technology upgradation from Euro V to Euro VI
- VW two SCR technology to reduce real world emissions
- Future emission norms recommendations
- Case study on passenger car vehicle with Diesel engine VGT EGR configuration
- Challenges to Calibration engineer
- Sensitivity of critical parameters such as rail pressure, main injection, EGR ratios
- Design optimiser for checking interference of sensitive parameters
- NOX vs BSFC pareto chart
- Overview of Genetic Algorithm used for multi objective optimisation
Week 03 - Strategy for Euro VI norms
- Overview of the DeNOx system used for achieving emission norms such as LNT, SCR, EGR, their advantages and limitations
- Touareg V8 TDI o very low emission system which purifies ambient air
- ire and brake wear emissions
- In-cylinder vs Aftertreatment strategy
- Engine calibration zone and its challenges, limitations
- Diesel engine EAT system, DOC-DPF-SCR overview
- Detailed_CI_Engine_aftertreatment model overview
- Catalyst conversion efficiency monitors, control logics, urea injection srategy
- Integration of engine and aftertreatment model with vehicle model-transmission, tyre, driver etc.
- Close coupled DeNOX system
Week 04 - Virtual Calibration approach to minimize physical testing
- Significance of virtual calibration, representing physics in mathematical form
- Volvo D13K Euro VI with EGR and aftertreatment using virtual approach
- Hardware-in-loop system overview for Engine management system
- Real Time plant model heart of the virtual calibration
- Open Loop vs Closed Loop calibration for virtual calibration
- Plant model requirements for control strategy developments
Week 05 - Case study on Heavy Duty Application
- Different levels of plant model- physical/semi-physical, Mean Value, Map based, Fast running model
- Mean Value model example from GT conference publication
- Mean Value development process, Neural Network, MIMO
- Calibration for steady state calibration for HD EGR+SCR configuration using Predictive combustion model
- Case study on PACCAR PX 4 engine
Week 06 - Case study on SI Application
- SI engine calibration challenges such as knocking, cycle to cycle variations, GPF for GDI
- Sensitive parameters for SI combustion
- SI combustion calibration, cylinder pressure analysis, combustion parameters
- SI Turb predictive combustion model and its parameter optimisation using GA in Integrated Design Optimiser
- Flame kernel growth
- Turbulent flame speed
- Taylor length scale
- Dilution effect
- Conversion of non-predictive wiebe model to predictive SI Turb combustion model and integration with EAT