Research Article
Optimization of Automotive Suspension System by Design of Experiments: A Nonderivative Method
Table 2
Levels of influential parameters in full factorial design.
| Factors | Low (−1) | High (+1) |
| Spring stiffness (ks), N/mm | 18000 | 26000 | Damping coefficient (cs), N-s/m | 418 | 673 | Mass (), kg | 41 | 81 | Speed (), RPM | 150 | 250 |
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