| 摘要 |
A head lamp's optical axis control system for a vehicle includes a vehicle speed sensor, steering angle sensor, a navigator, an actuator for swiveling the optical axis, a first control circuit for controlling the actuator to swivel the optical axis according to the vehicle speed signal and the steering angle thereby providing a first illumination range and a second control circuit for controlling the actuator to swivel the optical axis according to the vehicle speed and the front road-shape presented by the navigator thereby providing a second illumination range. If it is judged that the front road-shape is not covered by the first illumination range beforehand, the second control circuit controls the actuator to cover the road-shape by the second illumination range.
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