Research Article

Dynamic Trajectory Planning for Automated Lane Changing Using the Quintic Polynomial Curve

Table 2

Sensitivity analysis result of the planning step size.

StepsFinal longitudinal position (m)Remaining LC time (s)Total cost valueComfort cost valueEfficiency cost value

0.5 s188.714.4515.225.0925.34
283.913.8113.044.2421.83
377.333.0914.9811.3818.58
472.352.4419.2521.5017.00
570.601.9515.8913.4518.34
671.891.6214.443.9524.94
773.841.3128.6516.5540.75
873.760.9139.4913.4965.48

0.8 s188.714.4515.225.0925.34
282.873.4613.166.0220.29
378.542.5514.5810.5118.64
478.141.8313.503.0723.93
578.481.1428.5711.8345.32

1 s188.714.4515.225.0925.34
282.803.2613.437.1819.69
380.232.2313.205.8420.56
480.441.3422.588.0537.10

1.5 s188.714.4515.225.0925.34
283.722.8013.687.8519.50
383.241.3822.247.5336.95

2 s188.714.4515.225.0925.34
285.192.3813.355.4221.28