UIC 544-2

Railway Braking Force Estimation Methods

UIC 544-2 provides standardized calculation and estimation methods for determining braking force in railway rolling stock across different brake system types and operational scenarios. This technical standard defines mathematical models for translating brake system pressure, line force, and mechanical leverage into actual stopping power, accounting for variables such as wheel slip, temperature effects, and load conditions. The standard enables consistent performance prediction and certification across diverse European rail systems. Accreditation for this calculation methodology ensures reproducible, safety-critical engineering assessments used in rail fleet design and operational planning.

What it measures

  • Brake force calculation from system pressure and geometry
  • Adhesion coefficient effects on available braking force
  • Load-dependent braking force variations
  • Dynamic brake force response characteristics
  • Braking force distribution optimization
🇧🇪 NBN EN 14531-1 🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
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MYCROLITH

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DAkkS D-K-22768-01-01 Alzenau, DE
Railway brake — magnetic track brakes (U − Ebenheit − Geradheit Horizontale verkörperungen + 1 more
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MZLA Versorgungszentrum

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Made HSE s.r.l. Società con unico socio

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ACCREDIA 00546 Gazoldo degli Ippoliti, IT
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Magna Laboratories

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UKAS 8321 Ross-on-Wye, GB
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Magnet-Physik Steingroever

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Magnetische Feldstärke Mikrofonempfindlichkeit Referenzmagnetsystem Magnetische Flussdichte dichtemessgerät + 3 more
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Mahr

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DAkkS D-K-15074-01-01 Göttingen, DE
Machinery vibration — industrial machine Railway braking — adhesion under braking Railway maintenance — track geometry (EN Winkel Absolutdruck p * + 3 more
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Maidstone & Tunbridge Wells NHS Trust

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UKAS 8062 Maidstone, GB
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UKAS 8063 Maidstone, GB
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UKAS 8342 Maidstone, GB
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Industries

Railway rolling stock engineering and design Brake system manufacturers and integrators Railway fleet operators Rail vehicle certification authorities Transport safety and compliance consulting

Related Standards

  • UIC 544-1 Railway brakes — Braking performance
  • UIC 541-01 Railway brakes — Brake pads — Part 1: Friction material specification
  • EN 14531-1 Railway applications — Safety requirements for the design of rolling stock

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