Table 4 Time limits as per Health Guidance Caution Zone (HGCZ) as per ISO—2631-1
From: Design of passive suspension system to mimic fuzzy logic control active suspension system
Type of system | Frequency-weighted RMS acceleration (m/s2) | Vibration exposure limit (h) | ||
|---|---|---|---|---|
NHR | PHR | LHR | ||
Initial passive | 0.9322 | 2 | 2–7 | 7–24 |
FLC | 0.5057 | 6 | 6–20 | 20–24 |
Optimized passive | 0.6474 | 5 | 5–10 | 10–24 |
Optimized FLC | 0.3606 | 10 | 10–24 | – |