A Noise-Insensitive Semi-Active Air Suspension for Heavy-Duty Vehicles with an Integrated Fuzzy-Wheelbase Preview Control
Table 3
Control performance with different control strategies.
Performance
SF*
APP*
SFP*
SFPW*
SFPW versus APP
RMS front sprung mass acceleration
0.4484
0.4477
0.1943
0.1939
56.69%
RMS rear sprung mass acceleration
0.7012
0.2217
0.0665
0.0607
72.62%
RMS front tire deflection
0.0016
0.0044
0.0020
0.0020
54.55%
RMS rear tire deflection
0.0005583
0.0018
0.0002192
0.0002190
87.83%
RMS front suspension deflection
0.0194
0.0064
0.0258
0.0250
−290.62%
RMS rear suspension deflection
0.0136
0.0074
0.0088
0.0085
−14.86%
5151.5871
5122.4560
5321.2273
5272.9123
−2.94%
5125.8603
4398.9401
3882.3721
3748.8683
14.78%
5136.1510
4688.3465
4457.9142
4358.4859
7.04%
(i) SF: semi-active air suspension with fuzzy control. (ii) APP: active suspension with PID-wheelbase preview control. (iii) SFP: semi-active suspension with fuzzy-wheelbase preview control. (iv) SFPW: semi-active suspension with fuzzy-wheelbase preview control and wavelet filter.
