Research Article
Dynamic Trajectory Planning for Automated Lane Changing Using the Quintic Polynomial Curve
Table 2
Sensitivity analysis result of the planning step size.
| | Steps | Final longitudinal position (m) | Remaining LC time (s) | Total cost value | Comfort cost value | Efficiency cost value |
| 0.5 s | 1 | 88.71 | 4.45 | 15.22 | 5.09 | 25.34 | 2 | 83.91 | 3.81 | 13.04 | 4.24 | 21.83 | 3 | 77.33 | 3.09 | 14.98 | 11.38 | 18.58 | 4 | 72.35 | 2.44 | 19.25 | 21.50 | 17.00 | 5 | 70.60 | 1.95 | 15.89 | 13.45 | 18.34 | 6 | 71.89 | 1.62 | 14.44 | 3.95 | 24.94 | 7 | 73.84 | 1.31 | 28.65 | 16.55 | 40.75 | 8 | 73.76 | 0.91 | 39.49 | 13.49 | 65.48 |
| 0.8 s | 1 | 88.71 | 4.45 | 15.22 | 5.09 | 25.34 | 2 | 82.87 | 3.46 | 13.16 | 6.02 | 20.29 | 3 | 78.54 | 2.55 | 14.58 | 10.51 | 18.64 | 4 | 78.14 | 1.83 | 13.50 | 3.07 | 23.93 | 5 | 78.48 | 1.14 | 28.57 | 11.83 | 45.32 |
| 1 s | 1 | 88.71 | 4.45 | 15.22 | 5.09 | 25.34 | 2 | 82.80 | 3.26 | 13.43 | 7.18 | 19.69 | 3 | 80.23 | 2.23 | 13.20 | 5.84 | 20.56 | 4 | 80.44 | 1.34 | 22.58 | 8.05 | 37.10 |
| 1.5 s | 1 | 88.71 | 4.45 | 15.22 | 5.09 | 25.34 | 2 | 83.72 | 2.80 | 13.68 | 7.85 | 19.50 | 3 | 83.24 | 1.38 | 22.24 | 7.53 | 36.95 |
| 2 s | 1 | 88.71 | 4.45 | 15.22 | 5.09 | 25.34 | 2 | 85.19 | 2.38 | 13.35 | 5.42 | 21.28 |
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