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BOGIES
Dynamics 44 (2006), Supplement,
pp. 129-138
6. Polach, O.: Bogie design for better
dynamic performance. Example of a
locomotive bogie. European Railway
Review, No. 1/2003, pp. 69-77
7. Himmelstein, G.: The mechatronic
bogie – a novel design. European
Railway Review, No. 4/ 2005,
pp. 65-68
8. Schneider, R., Himmelstein, G.: Active
radial steering and stability control
with the mechatronic bogie.
Proceedings of the 7th World
Congress on Railway Research
(WCRR 2006), June 4-8, 2006,
Figure 6: Increase of guiding force and wear index on the outer leading wheel of a four-axle
locomotive due to wear of the outer rail. Simulation results for bogie with stiff axle guidance and
Montréal, Canada
bogie with self-steering interconnected wheelsets
9. Polach, O.: Creep forces in
simulations of traction vehicles
worldwide including China, North exploited to an ever increasing degree, running on adhesion limit. Wear 258
America and Australia. This international the vehicle dynamics analyses will (2005), pp. 992-1000
focus together with the ongoing close increase in their complexity. With its 10. Stichel, S., Mohr, H., Ågren, J. and
cooperation between the various international team of dynamics specialists, Enblom, R.: Investigation of the risk
Bombardier Transportation sites is set in a Bombardier Transportation is well for rolling contact fatigue on wheels.
challenging context. Differing standards, equipped to respond to these and any Paper on the 20th IAVSD Symposium,
specifications, national design philosophies other new challenges. Berkeley, California, August 13-17,
and traditions can often lead to differing 2007. To be published in Vehicle
opinions. A coordination of the vehicle System Dynamics
dynamic assessment is promoted by the References 11. Enblom, R. Berg, M.: Simulation of
activities of the Bombardier Centre of 1. Wassmer, R., Jakob, J.: Bogies for all railway wheel profile development due
Competence Vehicle Dynamics, within applications. European Railway to wear – influence of disc braking
which Bogies team plays an important Review, No. 2/2004, pp. 89-94 and contact environment. Wear 258
role. The guidelines introduced for 2. Jakob, J.: FlexCompact – versatile, (2005), pp. 1055-1063
simulations of vehicle dynamics and reliable and durable. European
the systems for their automation, Railway Review, No. 2/2007,
simplify the execution of dynamic pp. 89-93
simulations and alleviate the introduction 3. EN 14363: Railway applications —
of new specialists. Testing for the acceptance of running
characteristics of railway vehicles —
Future outlook Testing of running behaviour and
Computer simulations of running stationary tests, CEN, Brussels,
dynamics enable the optimisation of the June 2005
biography
design and suspension parameters, whilst 4. Polach, O.: On nonlinear methods of
providing a virtual assessment of the bogie stability assessment using
Oldrich Polach
vehicle and bogie behaviour during the computer simulations. Proceedings of
Dr.-Ing. habil. Oldrich Polach joined the railway
design phase. In this manner, a better the Institution of Mechanical
industry in 1993 after he finished his doctoral
application of the technical limits, Engineers, Part F, Journal of Rail and
thesis and obtained his postdoctoral lecture
qualification. Since 2001, he is supervising
reduction of on-track testing as well as a Rapid Transit, Vol. 220, No. F1/2006,
dynamics specialists in Bombardier
shorter development lead times can be pp. 13-27
Transportation, Division Bogies. He teaches
Railway Vehicle Dynamics at the Swiss
achieved. Their significance increases with 5. Polach, O.: Comparability of the non-
Federal Institute of Technology Zürich and at
the introduction of new tasks and new linear and linearized stability the Technical University in Berlin. He is
challenges. Higher speeds, increasing axle assessment during railway vehicle
member of editorial boards of the journals
Vehicle System Dynamics, International
loads, reducing wear and extending design. Proceedings of the 19th IAVSD Journal of Vehicle Systems Modelling and
maintenance periods present new Symposium, Milan, Italy, August 29 –
Testing, International Journal of Heavy Vehicle
Systems and European Railway Review.
challenges. As the technical limits become September 2, 2005. Vehicle System
www.europeanrailwayreview.com EUROPEAN RAILWAY REVIEW
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