MEDAS

MEDAS - Altitude Simulation
MEDAS - Altitude Testing
MEDAS - MEDAS Altitude Simulation

Altitude Simulation

The MEDAS system is a compact altitude simulator that reproduces a wide range of environmental conditions. It allows for testing light- to heavy-duty vehicles, including Non-Road Mobile Machinery (NRMM). It is ideally suited for a range of testing applications, such as durability, RDE replication, emission tests and mapping as well as tests from component to vehicle level. The patented technology inside the MEDAS system allows dynamic changes on the simulated atmosphere with high accuracy. The system can also be moved between different test cells due to its compact design.

 

 

Division: Mechatronics
Manufacturing Company: HORIBA Europe GmbH

MEDAS enables measurements up to 5,000m with a simulated temperature range from -45 to 50 °C (with the MEDAS Temperature Module) and a simulated humdity range of 5 to 95 % (with the MEDAS Humidity Module).

  • Suitable for different test cell configurations (e. g. engine, vehicle, powertrain)
  • Full integration with test cell control through CAN
  • Two MEDAS systems can be coupled in parallel to multiply the mass flow
  • No limit on minimum engine flow rate
  • Additional options available, e. g. noise insulation  

 

Key Benefits 

From Road to Laboratory

The MEDAS system increases flexibility by offering a modular design, which can be adjusted for a wide range of different test environments and possible applications. It allows any worldwide atmospheric condition to be reproduced inside the test cell. For a complete real driving correlation (such as emissions correlation), an integration with other testing equipment is possible.

FLEXIBLE  

  • Flexible concept with extended temperature and humidity modules
  • Can be moved between different test cells
  • Suitable for a wide range of applications, from light-duty (e.g. motorcycles) up to heavy-duty engines, including NRMM

 

  DYNAMIC  

  • Can simulate changing ambient pressure, temperature and humidity
  • Very fast response time for replication of real driving tests

 

EFFICIENT  

  • Precise and repeatable, even during high engine dynamics
  • Patented design and internal algorithms reduce power requirements while ensuring robust results

 

System

Exhaust Mass Flow [kg/h]

Max. Engine Mass Flow [kg/h]

Altitude Range at Max. Mass Flow [m]

Temperature [°C]

Humidity [g/kg]

 

 

 

Vacuum

Overpressure

 

-

MEDAS-5012 V

1200

960

750 to 5000

-

Limited

 

-

MEDAS-5012 VO

1200

960

750 to 5000

-2000 to -750

Limited

-

MEDAS-5015 V

1500

1200

350 to 5000

-

Limited

-

MEDAS-5015 VO

1500

1200

350 to 5000

-2000 to -350

Limited

-

MEDAS-5050 V (HD)

5000

4000

200  to 5000

-

-

-

MEDAS + MTM ST

900 – 1200 – 1500 – 5000

720 – 960 – 1200 – 4000

0 to 5000

-2000 to 0

-45 to 50°C

Only drying

MEDAS + MTM HU + MHM

900 – 1200 – 1500 – 5000

720 – 960 – 1200 – 4000

0 to 5000

-2000 to 0

-45 to 50°C

2 to 65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System available in sizes from 2,050 x 1,150 x 1,645 to 3,254 x 1,265 x 1,955 mm (L x W x H), excluding temperature and Humidity modules.

Altitude Simulation on the chassis dynamometer
Altitude Simulation on the chassis dynamometer
RDE tests on the chassis dynamometer
RDE tests on the chassis dynamometer

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