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UTeM’s Active Roll Control (ARC) Suspension System

UTeM’s Active Roll Control (ARC) Suspension System. Vehicles lean when cornering due to the weight transfer imposed by lateral acceleration acting on the suspension. Factors contributing to the roll angle of the vehicle include vehicle height and suspension stiffness.

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UTeM’s Active Roll Control (ARC) Suspension System

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  1. UTeM’s Active Roll Control (ARC) Suspension System

  2. Vehicles lean when cornering due to the weight transfer imposed by lateral acceleration acting on the suspension. Factors contributing to the roll angle of the vehicle include vehicle height and suspension stiffness. • The excessive roll angle due to extreme cornering can cause rollover • ARC system uses hydraulic/pneumatic and electronic technology to reduce or eliminate the vehicle roll angle in cornering, which improves handling. This improvement to vehicle handling can help reduce rollover risk.

  3. Pneumatically Actuated Active Roll Control Suspension System

  4. Pneumatic System on Vehicle Ride Model

  5. Control Structure of ARC System

  6. Decoupling Transformation

  7. Inner Loop Controller

  8. Simulation Results • Step steer (speed=50km/h, 160 degrees clockwise)

  9. Double Lane Change (speed=80km/h)

  10. Slalom (speed=30km/h)

  11. Installation of 4 unit pneumatic system into the instrumented experimental vehicle

  12. Performance of ARC System on Step Steer Test

  13. Performance of ARC System on Double Lane Change Test

  14. Performance of ARC System on Slalom Test

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