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Design and application of vibration performance testing system for commercial vehicles

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08 apr 2021
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Fig. 1

Hardware composition diagram of the system.
Hardware composition diagram of the system.

Fig. 2

Software structure design.
Software structure design.

Fig. 3

System operation flow chart.
System operation flow chart.

Fig. 4

Composition of test and analysis system and signal acquisition instrument.
Composition of test and analysis system and signal acquisition instrument.

Fig. 5

Location of vibration test points.
Location of vibration test points.

Fig. 6

Conversion curve of valid values at different speeds.
Conversion curve of valid values at different speeds.

Fig. 7

Conversion curve of maximum at different speeds.
Conversion curve of maximum at different speeds.

Fig. 8

Waveform and spectrum of each measuring point at a speed of 30 Km/h.
Waveform and spectrum of each measuring point at a speed of 30 Km/h.

Fig. 9

Waveform and spectrum of each measuring point at a speed of 60 Km/h.
Waveform and spectrum of each measuring point at a speed of 60 Km/h.

Fig. 10

Waveform and spectrum of each measuring point at a speed of 80 Km/h.
Waveform and spectrum of each measuring point at a speed of 80 Km/h.

Fig. 11

Waveform and spectrum of each measuring point at a speed of 100 Km/h.
Waveform and spectrum of each measuring point at a speed of 100 Km/h.

Test point installation location_

Point 1 Point 2 Point 3 Point 4 Point 5 Point 6 Point 7 Point 8

Vertical direction of first beam Vertical direction of door frame Vertical direction of engine The front axle corresponds to the vertical direction of the frame Vertical direction of transmission Vertical direction of rear axle Horizontal direction of rear axle (front and back) The rear axle corresponds to the vertical direction of the frame

Vibration test conditions_

Test pavement Condition 1 Condition 2 Condition 3 Condition 4 Condition 5 Condition 6 Condition 7 Condition 8
Asphalt road 30Km/h 35Km/h 40Km/h 45Km/h 50Km/h 55Km/h 60Km/h 65Km/h
Test pavement Condition 9 Condition 10 Condition 11 Condition12 Condition13 Condition14 Condition15
Asphalt Road 70Km/h 75Km/h 80Km/h 85Km/h 90Km/h 95Km/h 100Km/h
Lingua:
Inglese
Frequenza di pubblicazione:
1 volte all'anno
Argomenti della rivista:
Scienze biologiche, Scienze della vita, altro, Matematica, Matematica applicata, Matematica generale, Fisica, Fisica, altro