Vehicle Cabin Lighting Control Using Head Turn Detection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing lighting control systems in vehicles often turn on cabin lighting unnecessarily, causing discomfort when passengers at the rear seat perform actions that trigger lighting activation, even if it's not needed for the front seat passenger.
Innovation Solution
A lighting control system that uses distance measurement information from a front side reference position to determine if a front seat passenger has performed a head turning action towards the rear seat, and controls the lighting accordingly, ensuring only necessary activation based on the presence of a rear seat passenger and brightness levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the vehicle cabin lighting is turned on automatically based on image recognition of head turning action, then the lighting convenience is improved, but unnecessary lighting activation occurs when rear seat passengers perform head turning actions
Solution Approach 1:
The patent segments the monitoring space into multiple regions corresponding to different seat positions (front seat and rear seat). By dividing the detection area and associating each region with specific seat positions, the system can determine which seat's passenger performed the head turning action, thereby preventing unnecessary lighting activation when rear seat passengers move their heads.
2Speed
If the lighting control system activates lighting based on any detected head turning action, then the response speed is improved, but the lighting may be activated unnecessarily increasing energy consumption
Solution Approach 1:
The patent divides the cabin space into multiple detection regions associated with different seats. By segmenting the monitoring area and linking each region to specific seat positions, the system quickly determines whether the head turning action originates from the front seat, enabling fast response while avoiding unnecessary energy consumption from incorrect lighting activation.
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
Accurately determines the need for lighting activation, reducing unnecessary lighting turns on and ensuring the system only activates when a front seat passenger's action requires illumination, thus minimizing discomfort and energy consumption.
Implementation Method 1
an information acquisition unit for acquiring distance measurement information about the interior of the vehicle cabin from a front side reference position in the vehicle cabin
Data Source
AI summary
An objective of the present invention is to control vehicle cabin lighting with suppressed unnecessary turning on. The objective is achieved by a lighting control system comprising a vehicle cabin lighting for illuminating from above an interior of a vehicle cabin in a vehicle with a front seat and a rear seat; an information acquisition unit for acquiring distance measurement information about the interior of the vehicle cabin from a front side reference position in the vehicle cabin, a determination unit for determining based on the distance measurement information from the information acquisition unit at least whether a front seat passenger sitting on the front seat performed a head turning action in which he turned his head toward a side of the rear seat, and a control unit for performing on/off-control of the vehicle cabin lighting at least based on a determination result from in the determination unit.