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Chinese Journal of Mechanical Engineering

Table 8 Objective values before and after optimization

From: Uncertainty Analysis and Optimization of Quasi-Zero Stiffness Air Suspension Based on Polynomial Chaos Method

Objects

P

P1

P2

P3

Values

Values

Upgrades (%)

Values

Upgrades (%)

Values

Upgrades (%)

µa

0.4394

0.3976

9.51

0.3964

9.77

0.4021

8.49

σa

0.0268

0.0158

41.26

0.0161

39.97

0.0124

53.65

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