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 3,251–3,275 of 3,525 labs

DAkkS D-ML-13102-06-00 Frankfurt am Main, DE
manuelles Differentialblutbild Familiärer Brust- und Eierstockkrebs Zellzahlbestimmung (BRCA1) Charakterisierung von akuten + 3 more
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DAkkS D-ML-13134-02-01 Freiburg, DE
MRSA Bakterien, Pilze Dermatophyten Mycobacterium tuberculosis Mykobakterien + 3 more
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DAkkS D-ML-13134-10-01 Freiburg, DE
(FAAP95), FANCC, FANCD2, FANCE, FANCF, F EYA1, FAM126A, FOXC1, FOXE3, FYCO1, GALK (BRCA1, BRCA2, AR, ATM, ATR, BARD1, BRIP FGFR3, FLNB, FLVCR2, FOXP3, FSHB, PIK3R1, PKLR, PLAG1, PLOD3, PNPLA6, + 3 more
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DAkkS D-ML-13134-07-00 Freiburg, DE
erworbener Chromosomensatz Pappenheim-Färbung Peroxidase-Reaktion Geschlechtschromosomen Chimärismusanalyse + 3 more
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DAkkS D-ML-13304-04-01 Marburg, DE
Bakterien und Pilze Mykobakterien Clostridioides difficile Toxin Clostridioides difficile Schimmelpilze + 3 more
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DAkkS D-ML-13304-03-00 Gießen, DE
Ethanol Creatinin Digitoxin Digoxin Aldosteron + 3 more
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DAkkS D-ML-13304-07-01 Gießen, DE
BRCA1/BRCA2: ID001 Therapie, SNV Hereditärer Darmkrebs inklusive V2 Panel (Custom made by TWIST), SNV Hereditäres diffuses + 3 more
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DAkkS D-ML-13304-01-00 Gießen, DE
Hämoglobin Erythrozyten Leukozyten Lymphozyten Monozyten + 3 more
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DAkkS D-ML-13304-09-01 Marburg, DE
Ethanol Digitoxin Digoxin Cortisol Testosteron + 3 more
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DAkkS D-ML-13304-08-01 Marburg, DE
Anti-HBe Anti-HCV SARS-CoV-2 Astrovirus Humanes Metapneumovirus + 3 more
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DAkkS D-ML-13304-10-00 Marburg, DE
Ehlers-Danlos-Syndrom, vaskulärer MLH1, MSH2, MSH6, PMS2, EPCAM VHL Whole Exome Sequenzierung (WES) Multiple endokrine Neoplasie Typ + 3 more
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DAkkS D-ML-13217-04-00 Halle (Saale), DE
DPYD (SNP-Analyse) JAK2 Kodon 617 Mutationsanalyse B-Zellklonalitätsanalyse (IGH, IGL, IGK) Myeloid-NGS Panel bei MDS/MPN und 2, GNAS, HRAS, IKZF1, JAK3, KDM6A, K + 3 more
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DAkkS D-ML-13278-03-00 Hamburg, DE
Dermatophyten Mycobacterium tuberculosis säurefeste Stäbchen Neisseria gonorrhoeae Streptococcus pyogenes + 3 more
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DAkkS D-ML-13278-07-00 Hamburg, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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DAkkS D-ML-13200-02-01 Mannheim, DE
Cryptococcus neoformans Bakterien, Sprosspilze Bakterien, Pilze Dermatophyten Mykobakterien + 3 more
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DAkkS D-ML-13060-06-00 Heidelberg, DE
Gesamtgalaktose Aminosäuren Acylcarnitine Homocystein TSH + 3 more
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DAkkS D-ML-13060-01-00 Heidelberg, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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DAkkS D-ML-13144-05-00 Jena, DE
angeborener Chromosomensatz erworbener Chromosomensatz BCR::ABL Fusion Peutz-Jeghers-Syndrom (STK11) (APC, MUTYH) + 3 more
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DAkkS D-PL-13144-06-01 Jena, DE
Ethanol tration von Harnsäure tration von Harnstoff Digitoxin Digoxin + 3 more
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DAkkS D-ML-13144-04-00 Jena, DE
Staphylococcus aureus Mykobakterien Clostridioides difficile-GDH Haemophilus influenzae Blutparasiten + 3 more
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DAkkS D-ML-13144-06-00 Jena, DE
AB0-System Antikörper-Screening Rhesusfaktor Erythrozytäre Antigene Direkter Coombstest polyvalent + 3 more
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DAkkS D-ML-13144-07-01 Jena, DE
Ethanol Digitoxin Digoxin Aldosteron Cortisol + 3 more
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DAkkS D-ML-13253-08-00 Köln, DE
Standort: Albert-Schweitzer-Campus (SMN1, SMN2) kongenitale Taubheit (GJB2 ) Becker (DMD) Clinical Exome Sequencing + 3 more
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DAkkS D-ML-13253-04-00 Köln, DE
Ethanol Digitoxin Digoxin HbA1c Aldosteron + 3 more
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DAkkS D-ML-13253-03-01 Köln, DE
Carbapenemase-bildende MRSA Bakterien, Pilze Mykobakterien Clostridioides difficile + 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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