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
3,525 Accredited labs
21 Countries

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DAkkS D-ML-13125-02-00 Bonn, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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angeborener Chromosomensatz Whole Exome Sequencing Ophthalmoplegie, autosomal ldentifizierung kleinster chromosomaler/numerischer + 3 more
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DAkkS D-ML-19730-07-00 Dresden, DE
Staphylococcus aureus Dermatophyten Mykobakterien Neisseria gonorrhoeae Plasmodien + 3 more
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DAkkS D-PL-19730-01-00 Dresden, DE
tration von Harnsäure tration von Harnstoff Digitoxin Digoxin Aldosteron + 3 more
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DAkkS D-ML-19730-01-00 Dresden, DE
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DAkkS D-ML-13362-04-00 Düsseldorf, DE
Ethanol Creatinin Digitoxin Digoxin HbA1c + 3 more
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DAkkS D-ML-13362-01-01 Düsseldorf, DE
Immunglobulin G (IgG) Immunglobulin M (IgM) aerob wachsende Bakterien Bakterien, Sprosspilze Bakterien und Pilze + 3 more
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DAkkS D-ML-13297-07-01 Erlangen, DE
Familiärer Brust- und Eierstockkrebs Hereditäres nicht-polypöses Hereditäre motorisch-sensible Whole Exome Sequenzierung (WES) Azoospermie (AZFa,b, c Deletionen) + 3 more
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DAkkS D-ML-13297-06-00 Erlangen, DE
Aldosteron Cortisol Testosteron Glucose Hämoglobin + 3 more
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DAkkS D-ML-13297-03-00 Erlangen, DE
Staphylococcus aureus Cryptococcus neoformans Dermatophyten Mykobakterien Chlamydia trachomatis + 3 more
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DAkkS D-ML-13297-02-01 Erlangen, DE
Glucose Albumin Lactat oligoklonale Banden Amyloid ß 1-40 Peptid + 3 more
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DAkkS D-ML-13297-01-00 Erlangen, DE
Thrombinzeit Antithrombin Plasminogen Fibrinogen Protein C + 3 more
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DAkkS D-ML-13297-04-00 Erlangen, DE
Masernvirus IgG-AK Adenovirus-IgG-Ak Parvovirus B19-IgG-Ak Parvovirus B19-IgM-Ak SARS-CoV-2 IgG + 3 more
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DAkkS D-ML-13297-04-01 Erlangen, DE
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DAkkS D-ML-13297-05-00 Erlangen, DE
Ethanol Digitoxin Digoxin HbA1c Glucose + 3 more
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DAkkS D-ML-18383-04-01 Essen, DE
angeborener Chromosomensatz Whole Exome Sequenzierung (WES) Chromosom 15 Gendosisanalyse Gendosisanalyse (BE3A, SHOX ) + 3 more
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DAkkS D-ML-18383-01-01 Essen, DE
Anti-HBs Masernvirus IgG-AK Parvovirus B19-IgG-Ak Parvovirus B19-IgM-Ak Hepatitis C AK + 3 more
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DAkkS D-ML-18383-11-01 Essen, DE
Anti-HBs Masernvirus IgG-AK Parvovirus B19-IgG-Ak Parvovirus B19-IgM-Ak Hepatitis C AK + 3 more
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DAkkS D-ML-18383-09-00 Essen, DE
Ethanol Digitoxin Digoxin Aldosteron Cortisol + 3 more
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DAkkS D-ML-18383-07-01 Essen, DE
angeborener Chromosomensatz Whole Exome Sequenzierung (WES) Chromosom 15 Gendosisanalyse Verlust eines Chromosoms 3 + 3 more
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DAkkS D-ML-18383-02-00 Essen, DE
Ethanol Digitoxin Digoxin Aldosteron Cortisol + 3 more
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DAkkS D-ML-13102-01-00 Frankfurt am Main, DE
pneumoniae Streptokokken MRSA Bakterien, Pilze Bakterien und Pilze + 3 more
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DAkkS D-ML-13102-03-00 Frankfurt am Main, DE
Enterovirus RSV Astrovirus Norovirus GI/GII Rotavirus A + 3 more
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DAkkS D-ML-13102-06-01 Frankfurt am Main, DE
manuelles Differentialblutbild Zellzahlbestimmung Charakterisierung von akuten Leukämie (ABL1) Leukämie (GUS) + 3 more
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DAkkS D-ML-13102-02-00 Frankfurt am Main, DE
Creatinin Digitoxin Digoxin HbA1c Aldosteron + 3 more
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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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