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BS ISO 10326-2:2022

BS ISO 10326-2:2022

$167.15

Mechanical vibration. Laboratory method for evaluating vehicle seat vibration – Part 2: Application to railway vehicles

Published By Publication Date Number of Pages
BSI 2022 40
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PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
11 1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
12 3.2 Symbols and abbreviated terms
13 4 Direction of vibration
14 5 Characterization of vibration and of its transmission
5.1 Characterization of vibration
5.1.1 General
5.1.2 Root-mean-square acceleration, arms
15 5.1.3 Acceleration power auto spectral density, Gaa(f)
5.1.4 Acceleration cross spectral density, Gab(f)
5.2 Characterization of vibration transmission
5.2.1 General
5.2.2 Frequency response function, H(f)
5.2.3 Coherence function, 
16 5.2.4 Transmissibility, TR
5.2.5 Weighted transmissibility, TRw and SEAT factor
17 6 General observations
7 Measurement positions
8 Instrumentation
18 9 Safety requirements
10 Test seats and test persons
10.1 Test seats
10.2 Test persons
19 11 Input test vibration
11.1 General
11.2 Pseudo-random excitation
11.2.1 Generation of the excitation signal
20 11.2.2 Power auto spectral density
11.2.3 Root-mean-square acceleration
11.2.4 Tolerances
11.2.5 Multi-axis excitation
11.3 Sinusoidal excitation
21 11.4 Realistic excitation representing the dynamic environment of the tested seat
12 Parameters adopted for characterizing the vibration transmission
12.1 Pseudo-random and realistic excitations
12.2 Sinusoidal excitation
22 13 Test procedure
13.1 Initial procedure
13.2 Tests under pseudo-random and realistic excitations
13.3 Tests under sinusoidal excitation
14 Test report
14.1 Seat
14.2 Test persons
23 14.3 Measuring chain
14.4 Results
26 Annex A (informative) Example of excitation generating process
29 Annex B (informative) Realistic vibration excitation for seat testing
37 Bibliography

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BS ISO 10326-2:2022
$167.15