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

Showing 3,276–3,300 of 3,525 labs

DAkkS D-ML-13253-02-00 Köln, DE
Hepatitis-B-surface-Antigen Hepatitis-B-surface-Antikörper Hepatitis B-e-Antigen Hepatitis B-e-Antikörper CMV IgG Antikörper + 3 more
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DAkkS D-ML-13195-02-00 Leipzig, DE
Zellzahlbestimmung HLA-B27 auf T-Zellen Intrazellulärer Zytokine Leukozytenadhäsionsmoleküle Oxidativer Burst der Granulozyten + 3 more
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DAkkS D-ML-13195-05-00 Leipzig, DE
Ethanol Digitoxin Digoxin HbA1c Aldosteron + 3 more
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(CFTR) Whole Exome Sequenzierung (WES) Cystische Fibrose Panel Cystische Fibrose gezielt Cystische Fibrose Screening (CFTR) + 3 more
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DAkkS D-ML-13195-02-01 Leipzig, DE
Zellzahlbestimmung HLA-B27 auf T-Zellen Intrazellulärer Zytokine Oxidativer Burst der Granulozyten CD40 Ligand + 3 more
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DAkkS D-ML-13195-01-00 Leipzig, DE
Adenovirus Masernvirus Toxoplasma gondii, IgG Coronavirus SARS-CoV-2 Chikungunya-Virus, IgG + 3 more
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DAkkS D-ML-13195-06-00 Leipzig, DE
Kreuzprobe Thrombozytäre Antikörper Direkter Coombstest Rh-Faktor AB0-System + 3 more
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DAkkS D-ML-13264-01-00 Magdeburg, DE
Hämoglobin Erythrozyten Retikulozyten Thrombozyten Differentialblutbild + 3 more
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DAkkS D-ML-13264-04-00 Magdeburg, DE
Mukoviszidose Pankreatitis Familiäre Hypercholesterinämie Li-Fraumeni-Syndrom C9orf72 + 3 more
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DAkkS D-ML-13264-03-01 Magdeburg, DE
(ein- oder mehrgängige Ethanol tration von Harnsäure tration von Harnstoff pH - Wert + 3 more
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DAkkS D-ML-13200-01-00 Mannheim, DE
Digitoxin Digoxin Cortisol Testosteron Glucose + 3 more
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DAkkS D-ML-13021-03-01 Münster, DE
10 mm vom Nennmaß des OMIM*601130, CYP2C19 ACTA2 ACTC1 ACTN2 + 3 more
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DAkkS D-ML-13021-07-01 Münster, DE
Streptokokken Staphylococcus aureus Bakterien und Pilze Mycobacterium tuberculosis Mykobakterien + 3 more
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DAkkS D-PL-13021-01-00 Münster, DE
Ethanol Hämoglobin Amphetamine Cannabinoide Myoglobin + 3 more
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DAkkS D-ML-13021-11-00 Münster, DE
(ein- oder mehrgängige Ethanol Absolutdruck Plasma, Serum, Plasma tration von Harnsäure + 3 more
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DAkkS D-ML-13021-10-01 Münster, DE
Streptokokken Staphylococcus aureus Bakterien und Pilze Mycobacterium tuberculosis Mykobakterien + 3 more
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DAkkS D-ML-13021-01-00 Münster, DE
(ein- oder mehrgängige Ethanol Absolutdruck Plasma, Serum, Plasma tration von Harnsäure + 3 more
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DAkkS D-ML-13084-02-00 Regensburg, DE
(ein- oder mehrgängige Ethanol tration von Harnsäure tration von Harnstoff pH-Messgeräte 1,68 pH bis 10 pH + 3 more
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DAkkS D-ML-13084-04-00 Regensburg, DE
Ovarialkarzinom (Panel) Whole Exome Sequenzierung (WES) Familiäres Brust- und Companion Diagnostik bei PARP- Inhibitor Familiäres Brust- und Ovarialkarzinom (A + 1 more
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DAkkS D-ML-13084-03-00 Regensburg, DE
Cryptococcus neoformans Bakterien und Pilze Dermatophyten Clostridioides difficile Toxin Chlamydia trachomatis + 3 more
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DAkkS D-ML-13069-04-01 Kiel, DE
Albumin PNH Leukozytenanzahl Pappenheim-Färbung Peroxidase-Reaktion + 3 more
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DAkkS D-ML-13069-06-00 Lübeck, DE
Gewebstransglutaminase Antigene Gesamt IgE IgG Antikörper gegen Envoplakin IgE Antikörper gegen BP180 + 3 more
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DAkkS D-ML-13069-18-01 Lübeck, DE
Standort: Albert-Schweitzer-Campus angeborener Chromosomensatz erworbener Chromosomensatz Fra(X)-Syndrom, FXTAS (FMR1) Friedreich Ataxie (FXN) + 3 more
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DAkkS D-ML-13069-02-01 Kiel, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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DAkkS D-ML-13069-08-00 Kiel, DE
Streptokokken Staphylococcus aureus aerob wachsende Bakterien Mykobakterien Neisseria gonorrhoeae + 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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