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-ML-19774-01-01 Gießen, DE
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ACCREDIA 00752 Aragona, IT
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DAkkS D-K-18784-02-00 Hessisch Oldendorf, DE
Railway brake — magnetic track brakes (U Elektrische Messgrößen - Hochspannungsmessgrößen nur Vor-Ort-Kalibrierungen − Temperatur-Blockkalibratoren + 3 more
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UKAS 0726 Garretts Green, GB
(HSG 264, 2012) staining based on HSG 248 (PCM) based on HSG 248 (PCM) based on HSG 248) (HSG 248) – 2021 )
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UKAS 10259 Edgbaston, GB
Mycobacterium tuberculosis Fungi Leucocytes: | 8 Colours Antigen phenotyping : | Using Grifols Ef aPTT + 3 more
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UKAS 9948 Birmingham, GB
Biotinidase Oxalate Organic Acids (Qualitative) Biochemical examination activities for t Monitoring + 3 more
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UKAS 8176 Edgbaston, GB
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DAkkS D-PL-15018-01-00 Balingen, DE
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DAkkS D-K-19788-01-00 Springe-Eldagsen, DE
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DIN EN 13260 DIN EN 13261 DIN EN 13262 DIN EN 13103-1 DIN EN 13979-1 + 3 more
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UKAS 9925 Farnworth, GB
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UKAS 9927 Farnworth, GB
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RvA M322 Kralendijk, Bonaire, NL
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ACCREDIA 00295 Foggia, IT
IEC 60512-17-1 ISO 18787 ISO 4831 ISO 4832 ISO 15214 + 3 more
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UKAS 1155 Halesowen, GB
(HSG 248) – 2021 (HSG 264:2012) staining based on HSG 248 (PCM) based on HSG 248
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UKAS 30035 Eden Campus, GB
Brain Sciences Alzheimer’s disease: | Roche Cobas e801
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DAkkS D-PL-18812-01-02 Bremen, DE
DIN EN 14389 DIN EN ISO 717-1 DIN ISO 16000-18 DIN ISO 16000-3 DIN ISO 16000-6 + 3 more
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UKAS 7864 Bridgend, GB
(HSG 248) – 2021 (PCM) based on HSG 248 P10.2 based on HSG 248
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UKAS 9380 Brighton, GB
Audiology | Adult Hearing Services: Audiology | Otoscopy Audiology | History Taking Audiology | Pure Tone Audiometry Audiology | Impression Taking + 3 more
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UKAS 8382 Weston-super-Mare, GB
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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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