| 摘要 |
An automatic vehicle headlight beam direction adjustment system, able to learn early of errors in front road information from a navigation system and eliminate continued adjustment of the beam directions of headlights in a mistaken direction, which makes the beam directions of the left and right headlights swivel for adjustment in the left-right directions parallel to a horizontal direction based on an estimated swivel control angle calculated in accordance with a speed and front road information, determines that there is an error in the estimated swivel control angle and cancels swivel advance control when the beam directions are not the direction of advance of the vehicle regardless of the vehicle running straight after the swivel advance control has continued for a predetermined time after operation of the steering wheel, and can therefore prevent swivel advance control from continuing over a predetermined time due to error of the front road information and quickly restore advance visibility of the driver.
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