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206 169 (0,254s)

Výsledek výzkumu

New Insight on the Adhesion Processes in Railway Wheel/Rail Contact

The paper deals with new insight on the adhesion processes in railway wheel/rail contact.

JL - Únava materiálu a lomová mechanika

  • 2008
  • D
Výsledek výzkumu

The results and summary of wheel-rail tribology when sanding is used

This technical report includes the results and summary of wheel-rail tribology when sanding is used to increase an adhesion in the contact. The results provides the basis of algorithms for sanding control system....

JR - Ostatní strojírenství

  • 2012
  • O
Výsledek výzkumu

A novel anti-slip control approach for railway vehicles with traction based on adhesion estimation with swarm intelligence

according to the adhesion conditions between wheel and rail. To validate the methodologyAnti-slip control systems are essential for railway vehicle systems with traction. In order to propose an e...

Transport engineering

  • 2020
  • JSC
  • Odkaz
Výsledek výzkumu

Laboratory investigation of ability of oil-based friction modifiers to control adhesion at wheel-rail interface

In the last few years, top-of-rail friction modifiers have been designed and used in many railway systems all over the world. These adhesion enhancers are applied by either off-board or on-board system in ...

Mechanical engineering

  • 2016
  • Jimp
  • Odkaz
Výsledek výzkumu

Hybrid Slip Control Method for Railway Traction

transmissionbetween wheel and rail and positively affected the adhesion coefficient valueRailways traction vehicles tractive effort mainly depends on an adhesion is negatively affected and the rail

JA - Elektronika a optoelektronika, elektrotechnika

  • 2013
  • O
Výsledek výzkumu

Locomotive Wheel Slip Controller based on Power Dissipation in Wheel-rail Contact

dissipation in a wheel-rail contact area. The presented approach enables better adhesion utilisation than conventional slip controllers based on the adhesion coefficient valueRailway traction vehicles are...

Electrical and electronic engineering

  • 2019
  • D
  • Odkaz
Výsledek výzkumu

Adhesion limits for traction and braking

The contribution summarises theoretical and experimental knowledge on the adhesion efficiency of a railway vehicle during the traction and braking process. In particular, certain theoretical and practical non-clarifications of braki...

JO - Pozemní dopravní systémy a zařízení

  • 2001
  • D
Výsledek výzkumu

Theoretical analysis of tangential and interactive forces in railway wheel - rail contact

The contribution first clears up the term adhesion related to the forms of friction. Author gives the short historical survey of theoretical as well as experimental research of adhesion. After the general solution to the railway...

JO - Pozemní dopravní systémy a zařízení

  • 2000
  • Jx
Výsledek výzkumu

New type of testing stand for railway wheels

Project of experimental equipment for brake and wheel-rail adhesion research.Experimental study of real wheel by general load....

JO - Pozemní dopravní systémy a zařízení

  • 2000
  • D
Výsledek výzkumu

TRIBOLOGICAL PHENOMENON AND HEAT GENERATION IN THE RAILWAY WHEEL - RAIL CONTACT

of railway wheel - rail contact phenomena diagnostics. The main considerations stated inthis work imply that the coefficient of adhesion is among others dependent degradations of the contact area of railway

JL - Únava materiálu a lomová mechanika

  • 2011
  • Jx
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