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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ZwickRoell

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DAkkS D-K-18351-01-00 Ulm, DE
Sound intensity — scanning method (ISO 9 Acoustics — tonality assessment (DIN 456 Railway braking — urban guided transport Railway vehicle body structural requirem messeinrichtungen von + 3 more
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ac.biomed

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DAkkS D-PL-22341-01-01 Aachen, DE
DIN EN ISO 7199 DIN EN ISO 5840-1 DIN EN ISO 5840-2 DIN EN ISO 5840-3 ISO 18193 + 2 more
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aescuLabor Hamburg

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DAkkS D-ML-13280-01-00 Hamburg, DE
Ethanol Digitoxin Digoxin HbA1c Cortisol + 3 more
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amedes MVZ MEDLAB Würzburg

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Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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amedes MVZ wagnerstibbe

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DAkkS D-ML-13131-02-01 Hannover, DE
HbA1c Cortisol Testosteron Glucose Hämoglobin + 3 more
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amedes MVZ Trägergesellschaft Göttingen mbH amedes MVZ wagnerstibbe für Laboratoriumsmedizin, medizinische Mikrobiologie und Immunologie

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DAkkS D-ML-13131-01-01 Göttingen, DE
Ethanol Digitoxin Digoxin HbA1c Aldosteron + 3 more
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amedes MVZ für Laboratoriumsdiagnostik und Mikrobiologie

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DAkkS D-ML-20928-01-01 Jena, DE
HbA1c Testosteron Glucose Hämoglobin Alkalische Phosphatase + 3 more
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amedes MVZ für Laboratoriumsdiagnostik und Mikrobiologie Halle/Leipzig

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DAkkS D-ML-13318-01-01 Halle (Saale), DE
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amedes Medizinisches Versorgungszentrum für Laboratoriumsmedizin und Mikrobiologie

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DAkkS D-ML-18746-01-01 Fürstenfeldbruck, DE
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amedes Medizinisches Versorgungszentrum für Laboratoriumsmedizin, Mikrobiologie und Genetik Hamburg

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DAkkS D-ML-20700-01-00 Hamburg, DE
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ams-OSRAM International GmbH Reliability and Failure Analysis Laboratory

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DAkkS D-PL-12130-01-00 Regensburg, DE
DIN EN 60068-2-14 DIN EN 60068-2-67 IEC 60068-2-2 IEC 60068-2-14 IEC 60068-2-67 + 3 more
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anbus analytik

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DAkkS D-PL-14166-01-01 Fürth in Bayern, DE
DIN EN ISO 11997-2 DIN ISO 16000-18 DIN ISO 16000-20 DIN ISO 16000-21 DIN ISO 16000-3 + 3 more
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anemos Gesellschaft für Umweltmeteorologie

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DAkkS D-PL-17580-01-00 Reppenstedt, DE
DIN ISO 9613-2 * IEC 61400-12-1 * IEC 61400-50 * IEC 61400-50-1 * IEC 61400-50-2 * + 3 more
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bactologicum

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DAkkS D-PL-22114-01-01 Hamburg, DE
10/1500 DIN EN IEC 60601-2-75 IEC 60127-6 DIN EN 1040 DIN EN 13697 + 3 more
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bfq Qualitäts-Kalibrierservice

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DAkkS D-K-15056-01-00 St. Georgen, DE
Railway maintenance — track geometry (EN DIN EN ISO 3650:1999 Kalibrierung der 0,01 mm Optische > 300 mm + 3 more
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biomedis Kalibrierservice

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DAkkS D-K-18768-01-00 Gießen, DE
Vickers hardness test (ISO 6507) Railway braking — urban guided transport Railway vehicle body structural requirem Thermoelementsensor* meter, direkt anzeigende + 3 more
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biovis Diagnostik MVZ

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DAkkS D-ML-13188-01-01 Limburg a. d. Lahn- Eschhofen, DE
tration von Harnsäure tration von Harnstoff HbA1c Cortisol Hydroxy-progesteron + 3 more
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cetecom advanced

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DAkkS D-PL-12047-01-01 Saarbrücken, DE
ISO 20653 DIN EN 50155 DIN EN IEC 60068-2-11 DIN EN 60068-2-14 DIN EN 60068-2-30 + 3 more
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crashtest-service.com

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DAkkS D-PL-17359-01-00 Münster, DE
DIN EN 1317-1* DIN EN 1317-2* DIN EN 1317-3* DIN V ENV 1317-4* DIN CEN/TS 1317-7* + 3 more
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wernecke Feuchtemesstechnik GmbH Kalibrierlabor

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DAkkS D-K-19202-01-00 Strausberg, DE
Railway braking — urban guided transport meter, direkt anzeigende *) > 30 % > 60 % hygrometrische + 3 more
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eco-INSTITUT Germany

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DAkkS D-PL-20051-01-01 Köln, DE
DIN EN ISO 717-1 DIN EN 717-3 DIN ISO 16000-3 DIN ISO 16000-6 DIN EN ISO 16000-9 + 3 more
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esz AG calibration & metrology

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DAkkS D-K-15019-01-01 Landkreis Fürstenfeldbruck, DE
Charpy impact test (ISO 148-1) Salt spray / neutral salt fog test (ISO Radiated emissions (CISPR 32) Technical cleanliness of fluid system co Railway braking — urban guided transport + 3 more
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eumetron

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DAkkS D-K-15151-01-01 Aalen, DE
Railway maintenance — track geometry (EN auch Vor-Ort Kalibrierung Koordinatenmesstechnik DIN EN ISO 3650:1999 133 mm + 3 more
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europascal

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DAkkS D-K-15055-01-01 Hanau, DE
Railway braking — urban guided transport Railway vehicles — specific test require - Gleichspannung - Gleichstromstärke - Gleichstromwiderstand + 3 more
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gbd TEC

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DAkkS D-PL-23168-01-00 Kissing, DE
ASTM E283/E283M-19 ASTM E 330/E330M-14 ASTM E 331-00(2023) UNE-EN 12153 UNE-EN 12155 + 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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