Vehicle Side Area Illumination and Camera Control
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Solution Overview
Problem
Existing vehicle lighting systems that automatically illuminate the side road area when a driver approaches with a smart key can interfere with other vehicles during normal driving and do not effectively illuminate the foot area or provide a clear view of the side road area at low speeds or in darkness.
Innovation Solution
A vehicle system comprising a side area illumination lamp, a side area watching camera, and an electronic control unit that controls the lamp and camera to provide specific illumination patterns for foot area illumination when a driver approaches and side road area watching illumination when driving at low speeds, without causing sideward light emission during normal driving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the side area illumination lamp is automatically put on when a driver approaches the vehicle, then the foot area is illuminated for easy entry, but the lamp causes interference to other vehicles during normal driving
Solution Approach 1:
The illumination lamp's operation state is dynamically changed based on vehicle speed. The control unit activates the lamp when vehicle speed is below a predetermined threshold (e.g., during parking or slow-speed maneuvering) and deactivates it when speed exceeds the threshold (normal driving). This dynamic speed-based control resolves the contradiction by enabling illumination only when the driver needs to observe the side area during low-speed operations, preventing interference during normal-speed driving.
Solution Approach 2:
The system changes the operational parameter (illumination state) of the lamp based on the vehicle speed parameter. By using speed as a control parameter, the system automatically adjusts whether the lamp is on or off, thereby eliminating light interference during normal driving while maintaining illumination during parking or slow-speed maneuvers when the driver needs to see the side area.
2Illumination intensity
If the side area illumination lamp is used during normal driving, then the side road area is illuminated, but it impedes other vehicles and is not desirable
Solution Approach 1:
The lamp's illumination is dynamically controlled based on real-time vehicle speed feedback. During normal driving (high speed), the lamp remains off to avoid impeding other vehicles. During parking or slow-speed maneuvering (low speed), the lamp activates to provide necessary side area illumination. This dynamic speed-threshold control resolves the contradiction between providing illumination and avoiding interference.
Solution Approach 2:
The system uses vehicle speed as a control parameter to change the illumination state. When speed exceeds a predetermined threshold, illumination is deactivated; when speed is below the threshold, illumination is activated. This parameter-based control ensures illumination is provided only when necessary (during low-speed operations) and prevents harm to other vehicles during normal driving.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system effectively illuminates the foot area when entering the vehicle and provides a clear view of the side road area during low-speed driving or parking in darkness, without interfering with other vehicles, by adjusting illumination intensity and pattern to suit human eye reaction and camera exposure needs.
Implementation Method 1
a side area illumination lamp for illuminating a side road area of the vehicle
Implementation Method 2
a side area watching camera for watching the side road area of the vehicle
Data Source
AI summary
In order to provide a vehicle in which a side road area of the vehicle to be watched by a side area watching camera is illuminated by a side area illumination lamp for illuminating a foot area of a man climbing into the vehicle when the vehicle is parked or driven carefully on an alley or a mountain road in the darkness, the vehicle is equipped with the side area illumination lamp for illuminating a side road area, a side area watching camera for watching the side road area, a navigation display and an electronic control unit, whereby the side area illumination lamp is put on when a man approaches the vehicle as well as when the vehicle is being driven at a vehicle speed less than a certain low threshold speed with the side area watching camera being made on.