Research Article
Effect of Suspension Roll Angle Sensors on the Performance of H∞ Active Antiroll Bar Control System of Trucks
Table 4
Comparison results in the frequency domain.
| | | 10−5 (rad/s) | 10−4 (rad/s) | 1 (rad/s) | 4 (rad/s) | | ϕ (dB) | Rf (dB) | Rr (dB) | ϕ (dB) | Rf (dB) | Rr (dB) | ϕ (dB) | Rf (dB) | Rr (dB) | ϕ (dB) | Rf (dB) | Rr (dB) |
| | Passive | 7.5 | 27 | 27.5 | 7.5 | 27 | 27.5 | 7.5 | 27 | 27.5 | 0 | 24 | 25 | | First H∞ | 7.5 | 27 | 27.5 | 5 | 24 | 26 | 0.5 | 20 | 20 | −11 | 14 | 15 | | Second H∞ | 3 | 22 | 23 | 1 | 20 | 21 | −4 | 17 | 17 | −12 | 13 | 8 | | Reduction (compared with passive) | 4.5 | 5 | 4.5 | 6.5 | 7 | 6.5 | 11.5 | 10 | 10.5 | 12 | 11 | 17 |
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