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SIMULATION MODELLING OF THE RAILWAY VEHICLE GUIDANCE MECHANISM

SIMULATION MODELLING OF THE RAILWAY VEHICLE GUIDANCE MECHANISM. Priya Parthasarathy Supervisors- Dr.Christopher Ward Dr.Roger Dixon. UKACC PhD Presentation Showcase. Background. Low adhesion Reduced traction, Extended braking distance,

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SIMULATION MODELLING OF THE RAILWAY VEHICLE GUIDANCE MECHANISM

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  1. SIMULATION MODELLING OF THE RAILWAY VEHICLE GUIDANCE MECHANISM Priya Parthasarathy Supervisors- Dr.Christopher Ward Dr.Roger Dixon UKACC PhD Presentation Showcase

  2. Background • Low adhesion • Reduced traction, • Extended braking distance, • etc. • This project focusses on real time estimation of low adhesion at the wheel rail interface • Early stage of the project was to develop simulation model of a simplified rail vehicle to study the dynamics of railway vehicle systems Slide 2 • UKACC PhD Presentation Showcase

  3. Introduction and Initial Project Aim • Simulation model • The suspension force and the yaw moments are • Estimator model Fig 1 Simplified rail vehicle model with single wheelset and suspended mass • UKACC PhD Presentation Showcase Slide 3

  4. Results Fig 2 Lateral position of the wheelset for the track displacement (Simulation model) Fig 4 Yaw angle of the wheelset for the Simulation model Fig 3 Lateral position of the wheelset for the track displacement (Simplified model) Fig 5 Yaw angle of the wheelset for the Simplified model Slide 4 • UKACC PhD Presentation Showcase

  5. Future Work 1.Increasing complexity in the vehicle suspension system Condition Monitoring 2.Non-linear wheel rail contact profile • UKACC PhD Presentation Showcase Slide 5

  6. Conclusion • Simulations of rail vehicle modelling are being developed to perform real time estimation of low adhesion • Various filtering techniques will be analysed for the estimation of contact parameters • These techniques will be incorporated on more complex models with non linear characteristics in the suspension system and contact parameters of the rail vehicle • UKACC PhD Presentation Showcase Slide 6

  7. Email: P.Parthasarathy@lboro.ac.uk

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