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
3,963 Accredited labs
21 Countries

Showing 1,301–1,325 of 3,963 labs

DAkkS D-PL-17316-01-01 Finsterwalde, DE
DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) DIN EN ISO 11885 (E 22) DIN EN ISO 5667-3 (A 21) + 3 more
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DAkkS D-PL-18634-01-01 Höhr-Grenzhausen, DE
TH 1-2-17 DIN EN 27888 DIN ISO 9277 DIN EN ISO 11885 DIN 38404-4 + 3 more
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DAkkS D-PL-14116-01-00 Gräfelfing, DE
C-KIT Ex17 N822 DIN 4102-1 DIN EN ISO 22826 DIN EN IEC 60068-2-5 IEC 60512-11-4 + 3 more
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UKAS 9875 Benfleet, GB
(HSG 248) – 2021 (PCM) based on HSG 248
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UKAS 2671 Castle Donington, GB
(HSG 248) – 2021 (PCM) based on HSG 248 DOC/002 based on HSG 248
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DAkkS D-PL-21039-04-04 Erlangen, DE
DIN EN ISO 11885 DIN EN ISO 10523 (C 5) DIN EN 27888 (C 8) DIN EN ISO 10304-1 (D 20) DIN EN ISO 11885 (E 22) + 3 more
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DAkkS D-K-21039-01-00 Erlangen, DE
- Gleichspannung - Gleichstromwiderstand Quellen Widerstände / Messgeräte + 3 more
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ACCREDIA 00608 Sonnino, IT
DIN EN ISO 13366-2 ISO 9622 ISO 13366-2 AFNOR 3M 01/01-09/89
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UKAS 4155 Sunderland, GB
(HSG 264, 2012) 5 of HSG 227 (2004)
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DAkkS D-K-17452-01-00 Schalkau, DE
Vibration measuring instruments — test m Acoustics — tonality assessment (DIN 456 Noise measurement on railway vehicles — messeinrichtungen von Werkstoffprüfmaschinen + 3 more
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ACCREDIA 01566 Volla, IT
Circ Min Trasp n 18911 02/08/2018
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DAkkS D-PL-11140-17-00 Hermsdorf, DE
DIN EN 62631-1 DIN 53483-1 DIN 53483-2 DIN EN 62631-1 DIN 53483-1 + 1 more
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DAkkS D-PL-11140-16-00 Pfinztal-Berghausen, DE
ISO 16750-5 ISO 20653 DIN EN ISO 6270-2 DIN EN ISO 6988 DIN EN IEC 60068-2-11 + 3 more
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DAkkS D-PL-11140-15-00 Dresden, DE
DIN EN IEC 60068-2-11 DIN EN IEC 60068-2-13 ISO 22241-2 DIN EN ISO 11357-3 DIN EN ISO 11357-6 + 3 more
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DAkkS D-PL-11140-04-01 Freising, DE
DIN 53122-1 DIN EN ISO 15106-3 ISO 25101 DIN 53122-1 DIN EN ISO 15106-3
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DAkkS D-PL-11140-11-01 Stuttgart, DE
Sound power level determination — genera Vibration measuring instruments — requir Vibration measuring instruments — test m Low-frequency noise measurement and asse Acoustics — tonality assessment (DIN 456 + 3 more
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DAkkS D-PL-11140-06-00 Dresden, DE
Tensile testing of metallic materials (I DIN EN ISO 6506-1 DIN EN ISO 6507-1 DIN EN ISO 6508-1 DIN 50106 + 3 more
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DAkkS D-PL-11140-14-00 Braunschweig, DE
100 HV 120 > 300 Toxizität UGT1A1-Gen rs3064744, rs414832 A>C rs34018205 rs56163822 + 3 more
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DAkkS D-PL-11140-09-00 Saarbrücken, DE
DIN EN 10160 DIN EN ISO 16810 DIN EN ISO 13588 DIN EN 10228-2 DIN EN 10228-3 + 3 more
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DAkkS D-K-11140-01-00 Freiburg, DE
Stromzangen 0,1 mA Kurzschlussstrom Leerlaufspannung Solarzellen* 0,1 V + 3 more
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DAkkS D-K-11140-02-00 Freiburg, DE
Tensile testing of metallic materials (I Vickers hardness test (ISO 6507) Gleichstrom- und Nieder- 10 mV Kurzschlussstrom Solarzellen* 20 % + 3 more
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DAkkS D-ML-13455-01-00 Dubai, AE
Ethanol HbA1c Cortisol Glucose AFP + 3 more
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DAkkS D-PL-20943-01-00 Rohrbach, DE
DIN EN 12600 DIN 18008-4 DIN 18008-3 ASTM E 1356 DIN EN 1288-3 + 3 more
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UKAS 27405 Lyne, GB
Ethanol Digoxin HbA1c Cortisol Glucose + 3 more
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UKAS 9737 Frimley, GB
Parainfluenza RNA Hepatitis B-e-Antigen SARS-CoV-2 RNA Hepatitis-A IgG Hepatitis-A IgM + 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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