BRIEF DESCRIPTION OF THE DRAWINGS
The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description made with reference to the accompanying drawings. In the drawings:
FIG. 1 is a schematic view showing a system of a headlight device according to an embodiment of the present invention;
FIG. 2 is a flow diagram showing a preceding swivel controlling process according to the embodiment;
FIG. 3 is a pattern diagram showing an automotive vehicle moving toward a turning road according to the embodiment;
FIG. 4 is a graph showing a relationship between a distance from a starting point of a clothoid curve and a curvature radius of the clothoid curve according to the embodiment;
FIG. 5 is an example of a data map showing a relationship between a curvature radius and a swivel angle according to the embodiment;
FIGS. 6A-6C are pattern diagrams showing examples of optical axis directions of headlights changed by driving actuators according to the embodiment;
FIG. 7 is a reference table showing parameters of a clothoid curve according to the embodiment; and
FIG. 8 is a pattern diagram showing a preceding swivel operation in a conventional technology.
Patent Application
20070147056
