The device includes at least one acceleration sensor provided to detect acceleration of a vehicle in at least one direction, a wheel speed sensor provided to detect a speed of a wheel, a lamp provided to emit light, a driving unit connected to the lamp to adjust a direction of light, and a controller configured to, when the vehicle is traveling, calculate a dynamic angle value of the vehicle with respect to a road surface while the vehicle is in acceleration or deceleration and calculate a first static angle value based on the dynamic angle value of the vehicle, and, when the vehicle is stopped, to calculate a second static angle value and a road slope value of a road on which the vehicle is positioned, and then control a direction of the light emitted forward of the lamp based on the first or the second static angle value.
Leveling control device for vehicle lamp and control method having an acceleration sensor and speed sensor
2023-01-24
Patent
Electronic Resource
English
IPC: | F21S Ortsfeste Leuchten , NON-PORTABLE LIGHTING DEVICES / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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