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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DAkkS D-PL-14606-01-01 Magdeburg, DE
DIN EN 60601-2-33 DIN EN 12879 DIN EN 12880 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) + 3 more
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COFRAC 1-1122 Malzéville, FR
DIN EN ISO 6579-1 DIN EN ISO 7932 DIN EN ISO 11290-1 DIN EN ISO 11290-2 ISO 18743 + 3 more
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ACCREDIA 01451 Malborghetto di Boara, IT
DIN EN ISO 10304-1 VDE 414-9-11 ISO 11731 ISO 10304-1 ISO 6222 + 3 more
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ACCREDIA 02328 Carini, IT
DIN EN 27888 DIN EN ISO 11885 DIN EN 13657 DIN EN ISO 10523 ISO 10304-1 + 3 more
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ACCREDIA 01335 Castelfranco Emilia, IT
ISO 4832 ISO 21527-1 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 + 3 more
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ACCREDIA 02231 Ispica, IT
ISO 4832 DIN EN 55016-2-2 ISO 11731 ISO 16649-2 ISO 11290-1 + 3 more
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ACCREDIA 02232 Oderzo, IT
OIV-MA-AS313-01 cap 5.2 R2015 OIV-MA-AS313-02 R2015 OIV-MA-AS323-04B R2009 OIV-MA-AS2-03B R2012 OIV-MA-AS311-02 R2009 + 3 more
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ACCREDIA 02113 Ferrandina, IT
DIN EN 15408 DIN EN ISO 10523 DIN EN 15169 DIN EN ISO 10304-1 DIN EN ISO 17294-2 + 3 more
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ACCREDIA 00129 San Giovanni Teatino, IT
dbSNP rs1800562, rs1799945, rs1800730, r DIN EN 15984 DIN EN 27888 DIN EN ISO 15549 DIN EN 13126-19 + 3 more
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ACCREDIA 00078 Casanova Lonati, IT
DIN EN 1186-2 DIN EN 1186-3 DIN EN 16711-2 ISO 10993-23 BS EN 12868 + 3 more
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ACCREDIA 00360 Sona, IT
ISO 18787 ISO 4832 ISO 15214 ISO 21527-1 ISO 21527-2 + 3 more
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ACCREDIA 00783 Follonica, IT
ISO 4832 DIN ISO 16649-2 DIN EN ISO 4833-1 DIN EN ISO 6579-1 DIN EN ISO 21528-2 + 3 more
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ACCREDIA 00791 Campiglia Marittima - Venturina, IT
COI/T.20/Doc n 34/rev 1 2017 COI/T.20/Doc n 19/rev 5 2019 OIV-MA-AS313-02 R2015 OIV-MA-AS2-03B R2012 OIV-MA-AS311-02 R2009 + 3 more
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DAkkS D-PL-17085-01-02 Berlin, DE
DIN EN ISO 19458 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN 38404-C 4 DIN ISO 5667-5 + 3 more
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Labor 28 MVZ

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DAkkS D-ML-17085-01-00 Berlin, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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DAkkS D-ML-19783-03-00 Augsburg, DE
Aceton Digitoxin Digoxin HbA1c Aldosteron + 3 more
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DAkkS D-ML-13272-01-01 München, DE
(ein- oder mehrgängige Ethanol tration von Harnsäure tration von Harnstoff Digitoxin + 3 more
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DAkkS D-ML-13440-03-01 Berlin, DE
Aceton Ethanol Creatinin Digitoxin Digoxin + 3 more
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DAkkS D-ML-19677-01-01 Berlin, DE
Aceton Ethanol Creatinin Digitoxin Digoxin + 3 more
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DAkkS D-ML-13333-01-00 Konstanz, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 3 more
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DAkkS D-ML-19241-01-00 Hamburg, DE
Ethanol Creatinin Digoxin HbA1c Aldosteron + 3 more
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DAkkS D-ML-13201-03-01 Hamburg, DE
Digoxin HbA1c Aldosteron Cortisol Testosteron + 3 more
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DAkkS D-ML-19490-01-00 Aachen, DE
Cortisol Estradiol (E2) Testosteron Hämoglobin Erythrozyten + 3 more
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DAkkS D-ML-18018-01-01 Kiel, DE
tration von Harnsäure tration von Harnstoff Creatinin HbA1c Aldosteron + 3 more
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DAkkS D-ML-13363-01-00 Ingolstadt, DE
Digitoxin Digoxin HbA1c Aldosteron Cortisol + 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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