Chinese Journal of Mechanical Engineering

Table 2 Analysis of the co-simulation results

From: Fuzzy Sliding Mode Control for the Vehicle Height and Leveling Adjustment System of an Electronic Air Suspension

Control performance		Simulation scenarios
Control performance		During standstill			During driving
Vehicle height		Desired value	Actual value	Precision (%)	Desired value	Actual value	Precision (%)
Height lifting	h_fr (m)	0.270	0.2698	99.92	0.270	0.2693	99.74
	h_fl (m)	0.270	0.2697	99.89	0.270	0.2691	99.67
	h_rl (m)	0.270	0.2696	99.85	0.270	0.2685	99.44
	h_rr (m)	0.270	0.2696	99.85	0.270	0.2690	99.63
Height lowering	h_fr (m)	0.250	0.2502	99.92	0.250	0.2493	99.72
	h_fl (m)	0.250	0.2503	99.88	0.250	0.2505	99.80
	h_rl (m)	0.250	0.2502	99.92	0.250	0.2491	99.64
	h_rr (m)	0.250	0.2503	99.88	0.250	0.2506	99.76

Posture		Without control	With control	Decrease (%)	Without control	With control	Decrease (%)
Height lifting	θ (rad)	0.022	0.013	40.91	0.040	0.029	27.50
Height lifting	φ (rad)	0.035	0.022	37.14	0.053	0.042	20.75
Height lowering	θ (rad)	0.019	0.011	42.11	0.028	0.017	39.29
Height lowering	φ (rad)	0.023	0.016	30.43	0.054	0.036	33.33

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