ROLLER RIG TESTING AT THE CZECH TECHNICAL UNIVERSITY

J. Kalivoda, P. Bauer

Abstract


Purpose. Although the advancements in computer simulation technology have paved way to provide very reliable simulation results, track tests still play an essential role during the process of development and homologation of any railway vehicle. On the other hand, track tests depend on weather conditions, are difficult to organize and are not suitable for testing vehicles in critical situations. On a roller rig, the tested vehicle is longitudinally fixed and a track is replaced by rotating rollers. Such device offer testing of railway vehicle running dynamics in safe and stable laboratory environment. The purpose of an article is to investigate and describe roller rig testing at the Czech technical university in Prague (CTU). Methodology. In the paper it is shown the history of development of the scaled CTU roller rig from the earlier stages until the current projects for which the CTU roller rig is utilized for. The current design of the experimental bogie, roller rig, sensors instrumentation and types of experiments conducted at the CTU roller rig are described in more detail. Findings. Although the differences in vehicle behaviour on a track and a scaled model on a roller rig are not negligible, scaled roller rig experiments are found as a relatively inexpensive way for verification and demonstration of computer simulations results. They are especially useful for verification of multibody system simulations (MBS) of entirely new running gear concepts. Originality. The CTU roller rig is currently used for the experiments with active controlled wheelset guidance. According to simulations results published in many papers such systems offer, in principle, better performance compared to conventional passive vehicles. However, utilization and testing of active controlled wheelset guidance on vehicles is still rare. CTU roller rig serves as a tool to verify computer simulations and demonstrate benefits of active wheelset guidance. Practical value. Experiments conducted on the CTU roller rig confirm the possibility to significantly influence railway vehicle running dynamics by actively controlled wheelset guidance. Such concept could be regarded as a possible and likely approach for the design of future railway vehicles running gears.


Keywords


roller rig; active control; wheelset guidance; mechatronic bogie

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References


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GOST Style Citations


  1. The Application of roller rigs to railway vehicle dynamics / A. Jaschinski, H. Chollet, S. D. Iwnicki, A. H. Wickens // Vehicle System Dynamics. – 1999. – Vol. 31. – Iss. 5–6. – P. 345–392. doi: 10.1076/vesd.31.5.345.8360.
  2. Iwnicki, S. (Ed.), Handbook of Railway Vehicle Dynamics / S. Iwnicki. – Chap. 14. Roller Rigs. – P. 458–477. – Chap. 15. Scale Testing. – P. 507–526. – Abingdon : Taylor and Francis, 2006. doi: 10.1201/9781420004892.
  3. Jaschinski, A. On the application of similarity laws to a scaled railway bogie model / A. Jaschinski // Dissertation, TU-Delft, 1990 and DLR-FB 9o-06, Oberpfaffenhofen, 1990. – 158 р.
  4. Allen, P. D. Error quantification of a scaled railway roller rig // P. D. Allen // Dissertation, Manchester Metropolitan University, 2001. – 227 р.
  5. Bosso, N. Comparison of different scaling techniques for the dynamics of a bogie on roller rig / N. Bosso, A. Gugliotta, A. Soma // Vehicle System Dynamics. – 2002. – Vol. 37. – Iss. sup1. – P. 514–530. doi: 10.1080/00423114.2002.1166-6259.
  6. Gretzschel, M. Design of an Active Wheelset on a Scaled Roller Rig / M. Gretzschel, A. Jaschinski // Vehicle System Dynamics. – 2004. – Vol. 41. – Iss. 5. – P. 365–381. doi: 10.1080/00423110412-331300336.
  7. Kurzeck, B. A novel mechatronic running gear: concept, simulation and scaled roller rig testing / B. Kurzeck, L. Valente // Proc. of the 9th World Congress on Railway Research, (22.05–26.05.2011). –Lille, Frankreich, 2011.
  8. Bosso, N. Simulation of narrow gauge railway vehicles and experimental validation by mean of scaled tests on roller rig / N. Bosso, A. Gugliotta, A. Somà // Meccanica. – 2008. – Vol. 43. – Iss. 2. – P. 211–223. doi: 10.1007/s11012-008-9128-4.
  9. A study on the critical speed of worn wheel pro-file using a scale model / H. M. Hur, J. H. Park, W. H. You, T. W. Park // J. of Mechanical Science and Technology. – 2009. – Vol. 23. – Iss. 10. – P. 2790–2800. doi: 10.1007/s12206-009-0732-6.
  10. A scaled roller test rig for high-speed vehicles / B. Allotta, L. Pugi, M. Malvezzi [et al.] // Vehicle System Dynamics. – 2010. – Vol. 48. – Iss. sup1. – P. 3–18. doi: 10.1080/0042311100366-3576.
  11. Šíba, J. Stend pro modelové zkoušky jízdních vlastností kolejových vozidel. Současné problémy v kolejových vozidlech / J. Šíba, J. Kolář. – Pardubice : Univerzita Pardubice, 1997. – P. 225–234.
  12. Šíba, J. A Model of the experimental two axle bogie / J. Šíba, J. Kolář, T. Heptner. – Workshop :Prague, 1997. – P. 1511–1512.
  13. Kalivoda, J. Scaled Roller Rig Experiments with a Mechatronic Bogie / J. Kalivoda, P. Bauer // Proc. of the Second Intern. Conf. on Railway Technology : Research, Development and Maintenance.Edinburgh: Civil-Comp Press, 2014, art. no. 317, ISSN 1759-3433. ISBN 978-1-905088-59-1. – 12 р.
  14. Kalivoda, J. Mechatronic Bogie for Roller Rig Tests / J. Kalivoda, P. Bauer // Proc. of the 24th Symposium of the Intern. Association for Vehicle System Dynamics (IAVSD 2015) (17.08–21.08.2015). – 2015. –Graz,Austria. –CRC Press 2016. Print ISBN: 978-1-138-02885-2, eBook ISBN: 978-1-4987-7702-5.
  15. Kalivoda, J. Roller Rig Tests with Active Stabilization of a Two-Axle Bogie / J. Kalivoda, P. Bauer // The Third Intern. Conf. on Railway Technology: Research, Development and Maintenance, J. Pombo, (Editor), Civil-Comp Press,Stirlingshire,United Kingdom. – 2016. – 96 р. doi:10.4203/ccp.110.96.
  16. Active stability control strategies for a high speed bogie / J. T. Pearson, R. M. Goodall, T. X. Mei, G. Himmelstein // Control Engineering Practice. – 2004. – Vol. 12. – Iss. 11. – P. 1381–1391. doi:10.1016/S0967-0661(03)00152-7.


DOI: https://doi.org/10.15802/stp2016/77994

 

Cited-by:

1. Testing of Railway Vehicles Using Roller Rigs
Sergey Myamlin, Jan Kalivoda, Larysa Neduzha
Procedia Engineering  Vol: 187  First page: 688  Year: 2017  
doi: 10.1016/j.proeng.2017.04.439



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