Tests on large railway vehicle articles according to JIE 4031 Annex JA using the large 6-DOF vibration test system
JIS E 4031: 2013 corresponds to IEC 61373 Edition 2.0, and in this case the test was carried out according to the Annex JA sine wave vibration test method.
VVVF inverter equipment W800 × L2800 × H675 mm, approx. 500 kg.
■ Test conditions
Applicable standards: JIS E 4031: 2013, Annex JA, Class 2B
Test sequence: Tests were carried out in the following sequence in the vertical, forward/backward and left/right directions respectively.
- Resonance test: 1 – 5 Hz, 10 mmp-p, 5 – 30 Hz, 9.8 m/s 2 p-p, logarithmic sweep 1 round trip
- Vibration endurance test: 10 Hz, 3.5 mmp-p, 4 hours up/down, 2 hours left/right, 2 hours front/rear 2 hours
*If there is resonance, vibration is also applied at the resonance frequency based on the standard.
・The EUT is directly suspended and mounted on the vibration table, so there is no need to produce a large test fixtures.
・The 6-degree-of-freedom vibration test system reduces the time and effort required to change the direction of excitation.
Resonance test target graph
Vibration test system: TS-9600-40L
Vibration controller: K2 software Multi-Sine
Monitor measurements: acceleration and strain
2 days (3 days including preparation and clean-up)
14 hours (5 hours/day × 2 days + 4 hours preparation and clean-up)