IEC 61373:2010/COR1:2011
(Corrigendum)Corrigendum 1 - Railway applications - Rolling stock equipment - Shock and vibration tests
Corrigendum 1 - Railway applications - Rolling stock equipment - Shock and vibration tests
Corrigendum 1 - Applications ferroviaires - Matériel roulant - Essais de chocs et vibrations
General Information
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Standards Content (Sample)
IEC 61373
(Second edition – 2010)
Railway applications – Rolling stock equipment – Shock and vibration tests
CORRIGENDUM 1
Page 9
3.2 Gaussian distribution; normal distribution
Instead of:
“c is the r.m.s. value”
Read:
“σ is the r.m.s. value”
Figure 1 – Gaussian distribution
Replace Figure 1 by the following:
P (x)
x
+3σ
+2σ
x +1σ
x
x
t
–1σ
–2σ
–3σ
IEC 2338/11
Page 14
6.5 Measuring tolerances
Instead of:
“……shall conform to 4.3 of IEC 60068-2-64.”
Read:
“……shall conform to 4.2, 4.3, and 4.6 of IEC 60068-2-64.”
A.5 Method used to obtain random test levels from acquired service data
Page 29, line 5
Instead of:
“where: m = m - 2”
2 1
October 2011
Read:
“where: m = m + 2”
2 1
Page 29, line 8
Instead of:
m2
“∆c ”
Read:
m2
“∆σ ”
Formula D.4
Page 34
Instead of:
“……= AS - STD”
Read:
“……= AS + STD”
Formula D.5
Page 34
Instead of:
“……= AS – (2 × STD)”
Read:
“……= AS + (2 × STD)”
October 2011
CEI 61373
(Deux
...
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