Virtual Calibration Platform


How to meet the new emission standards

A solution to perform calibration on the desktop instead of on the rig or on the road, using the power of MORPHEE technology.

New regulations, with WLTC/WHTC cycles and the RDE legislation, combined with the complexity of new powertrains, either conventional or hybrid, make previous calibration processes (methodologies, tools, testing and validation means) obsolete or at least no longer efficient enough.


vCAP is the cornerstone of the FEV calibration approach. It covers the calibration of the engine, the transmission and the full powertrains including hybrid and electrical ones. This is a simulation-based (MiL, SiL, HiL) engine to vehicle platform; in other words, a virtual test bed which enables you to calibrate an ECU in accordance with the new WLTC, WHTC cycles and the new RDE legislation, thereby saving up to 40% of the physical tests - both steady state and transient - and meeting Euro6d and China 6 requirements, among others. This solution uses the MORPHEE software technology which combines simulation, calibration and automation functionalities. It can host cutting-edge calibration and simulation methodologies from FEV.


You want to handle your new calibration projects and are thinking about simulation. With vCAP, you will decrease the amount of your physical tests and will shorten development time. With a robust modeling process and with FEV calibration and simulation methodologies inside: thanks to this unique know-how, you benefit from state of the art models for the main engine outputs – raw emissions, CO2, torque).

Thanks to the unique performance of MORPHEE, the accuracy of the models remains the same from the MiL stage to their handling at the vCAP, and is consequently fully compliant with the calibration usage purposes.

vCAP is a fully integrated solution: it includes not only MORPHEE but also advanced hardware generating engine signals and the connection to the ECU and its harness.

Last but not least, it offers a seamless process from design to testing, as MORPHEE and its interfaces are used all along the process, making it simple for simulation and calibration engineers as well as for testing operators.



As fast as possible: MORPHEE technology offers a very powerful time management system able to perform a high number of calculations and tasks in deterministic time.

Reliable modeling: vCAP couples 0D/1D modeling approaches and statistical modeling techniques with a unique FEV methodology. This combination of physical and statistical models is the key element of vCAP, guaranteeing the representativeness of the results and compliance for calibration applications.

So open, so advanced: with this platform, benefit from the calibration methodologies developed by FEV, the world leader in calibration, or use your own existing models and tools.

Born for calibration: as vCAP is compatible with the major calibration tools on the market, keep your own tools and methodologies.

What you can do with vCAP

After-treatment calibration

  • RGN calibration (Exhaust path thermodynamics simulation)
  • SCR calibration
  • OBD calibration: DOC/DPF/SCR conversion efficiency simulation

ECU Software

  • Fault simulation (in progress)
  • For ECU software logic checking (only three days of automation tests expected instead of two weeks of engine test bed and vehicle tests)

Aging checks

  • Aging to be carried out only by parameter changes

Scope of supply

  • Software: MORPHEE
  • Hardware:
    • ECU cabinet with the integration of the engine and exhaust system components coming from the customer
    • HiL cabinet, with the PC platform, the I/O models and power supplies. It generates different signals, such as crankshaft, high speed, etc.
  • ECU application tools from third parties

Integration of vCAP


Model set-up & integration into a single simulation platform.

2-HiL with ECU

Coupling the models to the ECU...

3-HiL with ECU and harness

...and to the harness and actuators


Diesel Passenger car and heavy duty example of application

RDE transient cycle with reference calibration

Really good results for all the engine out emissions including CO2, on a RDE application.

RDE calibration variations

Really good correlations between simulation results and experimental measurements.

WHTC in closed loop mode on Torque

Good accuracy on air mass flow and boost pressure (controlled by EGR and VGT positions) – very good transient behavior.

WHTC in closed loop mode on Torque

Good accuracy for NOx emissions – peaks predicted as well as final cumulated value: 2% error at the end of the WHTC.

Walid Baroud

Walid Baroud

Phone: +33 130 139 429

Request more information about vCAP.

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