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
🇩🇪 DIN EN 14531-1 🇬🇧 BS EN 14531-1 🇫🇷 NF EN 14531-1 🇮🇹 UNI EN 14531-1 🇪🇸 UNE EN 14531-1 🇳🇱 NEN EN 14531-1
1,560 Accredited labs
17 Countries

Showing 1,351–1,375 of 1,560 labs

DAkkS D-ML-13297-03-00 Erlangen, DE
Aspergillus fumigatus AK Brucella spp.- Ak Candida spp. - Ak Cardiolipin AK Cryptococcus neoformans + 3 more
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DAkkS D-ML-13297-01-00 Erlangen, DE
maschinelles Blutbild maschinelles Differentialblutbild DRVVT, Lupus Antikoagulantien Protein S (Aktivität) Exogene Gerinnungsfaktoren + 3 more
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DAkkS D-ML-13297-04-00 Erlangen, DE
Mycoplasma pneumoniae-DNA Bordetella pertussis- DNA Legionella pneumophila-DNA HIV-1, 2, Ak, Bestätigungstest Adenovirus IgA-Ak + 3 more
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DAkkS D-ML-13297-05-00 Erlangen, DE
5-Hydroxyindolessigsäure HbA1c Katecholamine Metanephrine, Normetanephrine Serotonin + 3 more
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DAkkS D-ML-18383-03-00 Essen, DE
Candida dubliensis -Ag Cardiolipin AK Clostridioides difficile AG Cryptococcus neoformans Echinococcus-Ak + 3 more
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DAkkS D-ML-18383-05-01 Essen, DE
Einordnung und Charakterisierung Minimale Resterkrankung myeloischen Leukämien monoklonale Gammopathien PNH-Diagnostik + 3 more
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DAkkS D-ML-18383-04-01 Essen, DE
Gendosisanalyse Gendosisanalyse (BE3A, SHOX ) Genet. Veränderung bei Tumorerkrankung: Analyse auf Verlust eines Chromosoms 3 + 3 more
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DAkkS D-ML-18383-06-00 Essen, DE
membranständiger Antigene CD4, CD8, CD14, CD16, CD19, CD45, CD56) Tuberkulose ELISpot CMV ELISpot Lymphozytentransformationstest + 3 more
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DAkkS D-ML-18383-06-01 Essen, DE
Membranständige Antigene CD4, CD8, CD14, CD16/56, CD45) Freisetzung von IFN-γ nach tuberculosis -Komplex (TB Stimulation mit Antigenen + 3 more
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DAkkS D-ML-18383-08-00 Essen, DE
Candida dubliensis -Ag Cardiolipin AK Clostridioides difficile AG Cryptococcus neoformans Echinococcus-Ak + 3 more
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DAkkS D-ML-18383-09-00 Essen, DE
Glykosyliertes Hämoglobin Basophile Granulozyten Eosinophile Granulozyten Erythräzyten Leukozyten + 3 more
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DAkkS D-ML-18383-07-01 Essen, DE
Gendosisanalyse Gendosisanalyse (UBE3A, SHOX Genet. Veränderung bei Tumorerkrankung: Analyse auf Verlust eines Chromosoms 3 + 3 more
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DAkkS D-ML-18383-02-00 Essen, DE
Glykosyliertes Hämoglobin Basophile Granulozyten Eosinophile Granulozyten Erythrozyten Leukozyten + 3 more
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DAkkS D-ML-13102-08-01 Frankfurt, DE
Thyreoidea stimulierendes Thyreotropes Hormon (TSH) 17-Hydroxyprogesteron Immunreaktives Trypsin Pancreatitis-assoziiertes + 3 more
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DAkkS D-ML-13102-01-00 Frankfurt am Main, DE
Antistreptolysin (ASL) Antistaphylosin (AST) Candida spp.-Antikörper Echinokokken-Antikörper Kryptokokken-Antigen + 3 more
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DAkkS D-ML-13102-03-00 Frankfurt am Main, DE
Adenovirus-Antigen Astrovirus Antigen Chikungunya-Virus-Antikörper Immunglobulin M (IgM) Coxsackie A9, A24, B, B1, B5, B6 Virus-A + 3 more
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DAkkS D-ML-13102-04-00 Frankfurt am Main, DE
D-Dimere Freies Protein-S Antigen Protein S Antigen frei vWV:Ag Hemmkörper + 3 more
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DAkkS D-ML-13102-02-00 Frankfurt am Main, DE
Basophile Basophile absolut Eosinophile Eosinophile absolut Erythrozyten + 3 more
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DAkkS D-ML-13102-06-00 Frankfurt am Main, DE
Charakterisierung von akuten Akuten Leukämien B-Zellzahl (Immunstatus manuelles Differentialblutbild Zellzahlbestimmung + 3 more
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DAkkS D-ML-13134-02-01 Freiburg, DE
Cardiolipin-Antikörper Leptospiren-Antikörper Shigellen (O-Antigene) Treponema pallidum-Antikörper Borrelien IgG + IgM + 3 more
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DAkkS D-ML-13134-03-01 Freiburg, DE
anti-CMV IgG anti-CMV IgM CMV IgG Avidität Chikungunya Virus IgG Chikungunya Virus IgM + 3 more
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DAkkS D-ML-13134-05-00 Freiburg, DE
HLA-Antikörpertestung (Detektion) HLA-Antikörpertestung (Spezifizierung Klasse I und (Spezifizierung komplementbindender Antikörper + 3 more
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DAkkS D-ML-13134-10-01 Freiburg, DE
NGS-Panel-Analyse (SNVs, Indels CNVs), Gene: WDR73, WNT4, WNT5A, XRCC4, YY1, ZMPSTE24 PYCR1, RNF213, ROBO4, SETD5, SLC2A10, SL GPC3, HERC1, HIST1H1E, NFIX, OFD1, RNF13 + 3 more
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DAkkS D-ML-13134-06-01 Freiburg, DE
RPL27, RPL3, RPL31, RPL34, RPL35, RPL35A Diamond-Blackfan-Anämie ; DBA NOP10, PARN, RPA1, RTEL1, SAMD9, SAMD9L, Dyskeratosis congenita; DC Panel NOP10, PARN, POT1, RPA1, RTEL1, SAMD9, S + 3 more
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DAkkS D-ML-13134-09-00 Freiburg, DE
Urinstatus Leukozyten Neutrophile Granulozyten Eosinophyle Granulozyten Basophile Granulozyten + 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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