RDE+ POWER - Hardware-in-the-loop

RDE+ POWER

This application links road-based RDE tests to the propulsion lab.

Using HORIBA STARS automation software and DYNAS powertrain dynos, vehicle tests can be replicated accurately. RDE environment emulation is achieved by a HORIBA MEDAS system which delivers a faithful reproduction of an entire RDE test or partial RDE scenario.

The RDE+ propulsion lab can run RDE tests an order of magnitude faster than on-road testing. Superior accuracy, repeatability and reliability allow RDE development to progress with increased efficiency.

Hardware-in-the-loop (HiL) approaches allow virtually generated vehicles and RDE scenarios to be played out on the powertrain hardware. This delivers further time and cost savings to the vehicle program and allows for earlier validation of powertrain systems.

BENEFITS

Time and Cost Savings from Powertrain RDE Testing

  • More accurate and reliable data promotes earlier and safer decision-making
  • Higher productivity – propulsion testing is faster, more productive and lower cost than chassis testing
  • Test can be run more quickly, back to back, and automated
  • Eliminate delays – environmental testing is decoupled from natural seasons
  • Fewer vehicle prototypes required
     

Confidence and Accuracy Improvements

  • Precision lab testing to evaluate and develop components, systems, calibrations and fuels and lubes on the powertrain early in the program
  • Evaluate changes over real measured RDE test cycles
  • Higher repeatability – run sections of tests over and over
  • Higher accuracy and repeatability reduce error margins in attribute targets

RELIABILITY OF THE AUTOMATED LAB

RDE+ POWER - Powertrain Testing

Accuracy and Repeatability

Accurate and repeatable measurement of the effects of RDE scenarios enables rapid and robust power system development and calibration optimization with very low margins of error.

Acceleration of Development and Validation

Automated and remote-operating systems deliver faster and more productive testing with higher efficiency and lower operational costs and resources.

EMULATION OF THE REAL WORLD

RDE+ POWER - Multi-Functional Dynamic Altitude Simulator

Delivering the Right Atmosphere

The HORIBA Multi-Functional Dynamic Altitude Simulator (MEDAS) system instantaneously supplies the correct atmospheric conditions to the power system.

Complete RDE Emulation

Combining MEDAS with HORIBA DYNAS power system dynamometers and STARS controllers, complete RDE road tests from the real or virtual worlds can be accurately emulated.

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