oSIST prEN 14363-4:2025

SLOVENSKI STANDARD
01-september-2025
Železniške naprave - Preskušanje in simulacija za oceno voznih lastnosti
železniških vozil, ki obratujejo na omrežju težkih železniških prog - 4. del:
Preskušanje na progi
Railway applications - Testing and simulation for the acceptance of running
characteristics of railway vehicles operated on the heavy rail network - Part 4: On-track
testing
Bahnanwendungen - Prüfungen und Simulationen für die Bewertung der fahrtechnischen
Eigenschaften von Schienenfahrzeugen, die auf dem Vollbahnnetz betrieben werden -
Teil 4: Streckenfahrversuche
Applications ferroviaires - Essais en vue de l'évaluation du comportement dynamique
des véhicules ferroviaires circulant sur un réseau du système ferroviaire lourd - Partie 4 :
Essais en ligne
Ta slovenski standard je istoveten z: prEN 14363-4
ICS:
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2025
ICS Will supersede EN 14363:2016+A2:2022
English Version
Railway applications - Testing and simulation for the
acceptance of running characteristics of railway vehicles -
Part 4: On-track testing
Applications ferroviaires ¿ Essais en vue de l'évaluation Bahnanwendungen - Versuche und Simulationen für
du comportement dynamique des véhicules die Bewertung der fahrtechnischen Eigenschaften von
ferroviaires circulant sur un réseau du système Schienenfahrzeugen, die auf dem Vollbahnnetz
ferroviaire lourd ¿ Partie 4 : Essais en ligne betrieben werden - Teil 4: Streckenversuche
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 256.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

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Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
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United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14363-4:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Dynamic performance assessment . 8
4.1 General . 8
4.2 Choice of measuring method . 10
4.2.1 General . 10
4.2.2 Base conditions for the use of the simplified measuring method and measurement of
axle box forces. 11
4.2.3 Simplifications for separate stability testing . 12
4.3 Performing on-track tests . 12
4.3.1 General . 12
4.3.2 Wheel/rail contact conditions . 24
4.3.3 Test zones and track sections . 25
4.3.4 Extent of tests . 26
4.3.5 Test operation . 27
4.4 Measured quantities and measuring points. 28
4.5 Assessment quantities and limit values . 30
4.5.1 General . 30
4.5.2 Running safety . 36
4.5.3 Track loading . 37
4.5.4 Ride characteristics. 37
4.6 Test evaluation . 38
4.6.1 Overview . 38
4.6.2 Recording the measuring signals . 40
4.6.3 Statistical evaluation in test zones . 40
4.6.4 Evaluation of test results in transition curves . 50
4.6.5 Verification of stability . 50
4.6.6 Verification of low-frequency body motion (LFBM) . 51
4.7 Documentation . 53
4.7.1 General . 53
4.7.2 Description of the vehicle design and status of the tested vehicle . 53
4.7.3 Additional information for future extension of the field of application . 53
4.7.4 Description of the test routes . 53
4.7.5 Description of data capture . 54
4.7.6 Description of evaluation . 54
4.7.7 Test results (including additional information for model validation) . 55
4.7.8 Deficiencies in reaching the target test conditions . 56
4.7.9 Infrastructure conditions more severe than the target test conditions . 56
Annex A (informative) Operational parameters . 57
Annex B (informative) Position of the different wheelsets during test . 59
Annex C (informative) Additional track loading assessment quantities . 61
C.1 General . 61
C.2 Maximum lateral force . 61
C.3 Combination of lateral and vertical forces . 61
Annex D (informative) Evaluation and background of the rail surface damage quantity . 63
Annex E (informative) Typical maximum estimated values of ride characteristics . 65
Annex F (normative) Track geometric quality – Selection of test tracks . 66
F.1 Basis of evaluation . 66
F.2 Assessment quantities for track geometric quality . 66
F.3 Different measuring systems . 67
F.4 Target test conditions . 68
F.5 Reporting . 70
Annex G (informative) Background of track quality description . 71
Annex H (normative) Statistical evaluation . 72
H.1 Objectives and principles of statistical analysis . 72
H.1.1 General . 72
H.1.2 One-dimensional method . 72
H.1.3 Two-dimensional method or simple regression . 72
H.1.4 Multiple regression . 72
H.2 Determination of the percentiles for each track section. 73
H.3 Preparation of the random samples . 74
H.4 One-dimensional analysis for estimated maximum values . 74
H.5 Two-dimensional analysis for estimated values . 74
H.6 Multiple regression analysis for estimated values . 75
H.7 Statistical evaluation for the overturning criterion . 77
H.8 Regression assumptions . 78
H.8.1 Regression assumptions and associated problems. 78
H.8.2 Identification and correction techniques . 79
Annex I (informative) Running behaviour of special vehicles . 81
I.1 General . 81
I.2 Vehicle design and classification .
...