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AVL ROADSIM 25" INLINE ATV™ Chassis Dynamometer

AVL ROADSIM 25" INLINE ATV™ Chassis Dynamometer is designed for testing mopeds, motorcycles, three-wheelers and ATVs in applications like emission analysis.

AVL Approach

The cradled AC motor is arranged next to a fixed roller. It is designed for ideal road load simulation of vehicles. The mass simulation is realized electrically by the AC motor with a mechanical base inertia of the roller.


Benefits at a Glance

  • Reduced tire losses due to suitable roller diameter
  • Simple and fast on-site assembly
  • Highly-precise and proven road load simulation
  • Aluminum covering for robust testing under several environmental conditions

Technical Data

The following specification shows typical values and is subject to change. Alternative technical configurations are available upon request.

Performance

 

Nominal tractive force in motor mode

1,000N @ v≤198km/h

Nominal power in motor mode

55kW @ v≥198km/h

Max. speed

300km/h

Dimensions

 

Roller diameter

648mm

Distance between outer roller edges

1,500mm

Distance between inner roller edges

400mm

Inertia simulation range

 

Inertia simulation range

80kg … 2,000kg

Roller set axle load

 

Max. axle load

1,000kg

Measurement accuracy data

 

Tolerance of tractive force measurement

±0.1% of full scale

Tolerance of speed measurement

±0.02km/h

Control accuracy data

 

Tolerance of tractive force control

±0.2% of full scale

Tolerance of speed control

±0.05% of full scale

Road load simulation

 

Tolerance of inertia and road load simulation

±1% of calculated value (but not better than force control)

Test specimen

 

Tyre diameter range of front wheel clamping device

370mm … 720mm

Tyre width range of front wheel clamping device

50mm … 230mm

 


Measuring Principle

Tractive force
The tractive force is measured by a strain gauge sensor supporting the cradle mounted motor.

Speed
The speed is measured by an incremental encoder with two 90° shifted tracks with detection of the direction of rotation.