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Book
ISBN: 1000049865 373150443X Year: 2016 Publisher: KIT Scientific Publishing
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In the present work, a methodology for the reliable simulation of wheel-rail wear of trams is developed and applied to relevant operating conditions. The methodology combines a multibody vehicle-dynamics simulation, a dynamic contact simulation based on FEM, and a wear calculation. The results show that the maximum friction energy density in very tight track curves is significantly higher compared to heavy rail systems. The sensitivity of the considered influence parameters on wear is assessed.
FEMWheel rail wear --- Simulation --- Straßenbahn --- Rad-Schiene-Verschleiß --- Tram --- FEM
Book
ISBN: 1000041687 3731502321 Year: 2014 Publisher: KIT Scientific Publishing
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This work presents investigates the feasibility of the ""directly steered wheels (DSW)"" under operating condition of tramcars. After analyzing the wheel/rail geometric contact between track and DSW, a mathematical model has been developed to describe the lateral dynamics. Based on this model, a robust guidance controller is designed according to the µ-synthesis. The results of simulations show that the DSW with the designed controller can improve the running performance of tramcars significantly.
aktive Spurführung --- active guidance --- directly steered wheels --- Straßenbahnμ --- -Synthesis --- µ-synthesis --- wheel/rail geometric contact --- Rad-Schiene-Kontaktkinematik --- aktiv gelenktes Radpaar --- tramcar
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