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Mar 12, 2024 •345 likes •463 views

Innovation in Operations and Services 1 Hardware-in-the-loop Test Setup for Tuning Semi-Active Hydraulic Suspension Systems Elisa Alboni, Ville Bjrklund, Matti Lin, Heikki Lu 01.04.2020 Innovation in Operations and Services Suspension

  1. Innovation in Operations and Services 1

  2. Hardware-in-the-loop Test Setup for Tuning Semi-Active Hydraulic Suspension Systems Elisa Alboni, Ville Björklund, Matti Lin, Heikki Lu 01.04.2020 Innovation in Operations and Services

  3. Suspension System Testing • Real-life testing • Software only simulation Real-life HIL simulation testing • Hardware-in-the-loop (HIL) simulation Software only simulation Cost-efficiency Innovation in Operations and Services 3

  4. Challenges Hardware-in-the-loop suspension systems simulations require: c Equipment Investment Experience Innovation in Operations and Services 4

  5. Solution Single board computer controlled hydraulic test bench - Accessible documentation - Significantly cheaper than existing solutions - Enables IoT compatibility Simulations based on Matlab and Simulink - Universal software Innovation in Operations and Services 5

  6. Details of Our Solution Innovation in Operations and Services 6

  7. The Hydraulic Test Bench Innovation in Operations and Services 7

  8. The Hydraulic Test Bench Mass Position sensor Load cells Servo solenoid directional control valve Actuator Damper Check valve Manual flow control valve Electro-proportional valve Innovation in Operations and Services 8

  9. The Control System Hardware • Voltages needed for the control system: -10...+10 V and 24 V • RPi voltage range 0...3.3 V Innovation in Operations and Services 9

  10. The Simulation • Road profile generation • Skyhook control strategy • Collection of sensor data • Tuning damping coefficient Innovation in Operations and Services 10

  11. Results • Framework for an HIL simulation setup to test suspension systems • Hardware • Signal processing circuits • Simulink model Needs further research: • Building the presented framework to validate the real time capabilities (step time) • Use of industrial RPis in creating HIL simulating systems Innovation in Operations and Services 11

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