| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for enhancing accuracy of auto-leveling control in which an acceleration sensor is used to adjust an optical axis of a vehicle lamp.SOLUTION: A leveling ECU 100 includes: a receiving part 102 for receiving acceleration which is detected by an acceleration sensor 110, and where an inclination angle of a vehicle 300 with respect to a horizontal plane is calculated; and a controlling part 104 which outputs an adjustment signal instructing a vehicle lamp to adjust an optical axis of the vehicle lamp in response to change of the acceleration from which change in a vehicle posture requiring adjustment of the optical axis of the vehicle lamp is estimated when the vehicle stops, and prevents output of the adjustment signal or outputs a maintaining signal instructing the vehicle lamp to maintain the optical axis when the vehicle travels on a road. |
