Research Article
Optimization Analysis of Engine Intake System Based on Coupling Matlab-Simulink with GT-Power
Table 5
Calculated results of VVT.
| Speed (r/min) | Intake timing | Exhaust timing | Original | Optimized | Original | Optimized |
| 1200 | 234.5 | 225.5 | 125 | 120 | 1600 | 234.5 | 227 | 125 | 121 | 2000 | 234.5 | 228 | 125 | 122 | 2400 | 234.5 | 230 | 125 | 122 | 2800 | 234.5 | 230 | 125 | 122 | 3200 | 234.5 | 230 | 125 | 123 | 3600 | 234.5 | 230 | 125 | 123 | 4000 | 234.5 | 227 | 125 | 126 | 4400 | 234.5 | 234 | 125 | 125 | 4800 | 234.5 | 234.5 | 125 | 127 | 5200 | 234.5 | 236 | 125 | 126 | 5600 | 234.5 | 237 | 125 | 126 |
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