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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Barking, Havering & Redbridge University Hospitals NHS Trust

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UKAS 9066 Romford, GB
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Barnsley Hospital NHS Foundation Trust

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UKAS 8275 Barnsley, GB
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Barnstaple Specsavers Hearcare

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UKAS 10736 Barnstable, GB
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Barts Health NHS Trust as the host of NHS East and South East London Pathology Partnership

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UKAS 8285 London, GB
Ethanol Digoxin HbA1c Cortisol Glucose + 3 more
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Baugrund Stralsund Ingenieurgesellschaft

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DAkkS D-PL-14326-01-01 Stralsund, DE
DIN EN 932-1 DIN EN 932-2 DIN EN ISO 17892-1 DIN EN ISO 17892-3 DIN EN ISO 17892-4 + 3 more
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Baugrund Süd, Gesellschaft für Bohr- und Geotechnik

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DAkkS D-PL-23070-01-01 Bad Wurzach, DE
DIN EN ISO17892-12 BSEN ISO 17892-12:2014+A2:2022 DIN 18134 DIN 19698-1 DIN 18122-2 + 1 more
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Baustoffprüfstelle Wismar

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DAkkS D-PL-17470-01-01 Wismar, DE
DIN EN 14538 DIN EN 12390-1 DIN EN 12390-2 DIN EN 12390-3 DIN EN 12390-8 + 3 more
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Bauteilprüfzentrum Scheller

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DAkkS D-PL-11046-01-01 Schweinfurt, DE
DIN EN 13018 ISO 16750-5 ISO 20653 DIN EN ISO 2812-1 DIN EN ISO 6270-2 + 3 more
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Bax Engineering

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DAkkS D-K-20341-02-00 Bad Nenndorf, DE
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Bayerische Landesanstalt für Landwirtschaft Abteilung Laboranalytik

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DAkkS D-PL-18807-01-02 Freising, DE
DIN EN 61482-2 DIN EN 13040 DIN EN 15957 DIN EN 15958 DIN EN 16962 + 3 more
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Bayerische Waagenbau-Werkstätte Althaus

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DAkkS D-K-21973-01-00 Dießen am Ammersee, DE
Salt spray / neutral salt fog test (ISO elektronische Waagen nichtselbsttätige
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Bayerisches Landesamt für Gesundheit und Lebensmittelsicherheit

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DAkkS D-PL-19082-02-07 Erlangen, DE
DIN EN 12681-1 DIN EN ISO 19458 DIN ISO 16000-3 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) + 3 more
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Bayerisches Landesamt für Gesundheit und Lebensmittelsicherheit

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DAkkS D-ML-19082-01-00 Oberschleißheim, DE
Staphylococcus aureus Bakterien, Sprosspilze Mykobakterien Clostridioides difficile Corynebacterium diphtheriae + 3 more
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Bayerisches Landesamt für Umwelt

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DAkkS D-PL-18102-01-02 Augsburg, DE
DIN EN ISO 15549 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) DIN EN ISO 11885 (E 22) + 3 more
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Bayerisches Landeskriminalamt Kriminaltechnisches Institut, Abt. II und Daktyloskopie

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DAkkS D-PL-13456-01-00 München, DE
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BeWa tec Bernard Waagen;Automatisierungs- und Steuerungstechnik e.K.

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DAkkS D-K-22038-01-00 Gelsenkirchen, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO elektronische Waagen − Waagen nichtselbsttätige
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Beacon Medical Services Group

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UKAS 27024 Northenden, GB
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Beck-Messtechnik

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DAkkS D-PL-21251-01-01 Flein, DE
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Bedfordshire Hospitals NHS Foundation Trust

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UKAS 8212 Luton, GB
Ethanol Digoxin Cortisol Glucose CA 15-3 + 3 more
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Beechwood Laboratories

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UKAS 1724 Co Antrim, GB
ISO 18787 ISO 15214 DIN EN ISO 7932 DIN EN ISO 21528-2 DIN EN ISO 6888-1 + 3 more
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Belfast Health and Social Care Trust

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UKAS 8952 Belfast, GB
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Belfast Health and Social Care Trust

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UKAS 8703 Belfast, GB
Plasminogen D-Dimer Fibrinogen Protein C Protein S + 3 more
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Belfast Health and Social Care Trust

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UKAS 8704 Belfast, GB
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Belfast Health and Social Care Trust

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UKAS 8638 Belfast, GB
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Belfast Health and Social Care Trust

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UKAS 8757 Belfast, 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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