Dynamic Welcome Lighting for External Vehicle Condition Display
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Solution Overview
Problem
Existing vehicle lighting systems lack the ability to dynamically display vehicle conditions such as charging state and tire pressure from outside the vehicle, limiting immediate identification of drivable conditions and varying by country regulations.
Innovation Solution
A system and method utilizing a dynamic welcome light (DWL) mode to control vehicle condition check lights, incorporating a lamp unit with multiple light sources, a lamp control unit, and component control units to display vehicle conditions based on state information signals, allowing external identification of travel-ready status.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a traditional welcome mode is used to display vehicle position, then the user can find their vehicle, but the charging state and other vehicle conditions cannot be displayed from outside the vehicle
Solution Approach 1:
The existing welcome light system is enhanced to perform multiple functions: it not only displays the vehicle position but also indicates charging state and other vehicle conditions through different lighting patterns. The lamp control unit is configured to interpret various signals and activate appropriate light sources to convey multiple types of information through a single existing hardware system.
Solution Approach 2:
The system changes the operational parameters of the light sources to encode different vehicle conditions. By varying which light sources are activated, their intensity, or their illumination patterns, the system communicates different states (charging, tire pressure, drivability) without adding new physical components.
2Adaptability or versatility
If vehicle conditions are displayed using existing lighting systems, then external identification of drivable conditions is enabled, but regulatory limitations may arise in certain countries
Solution Approach 1:
The lighting system is divided into separate controllable light sources, each capable of indicating specific vehicle conditions. This segmentation allows the system to display only the information permitted by local regulations while maintaining the capability to display additional information where allowed, achieving compliance across different countries.
3Loss of information
If multiple light sources are controlled to display various vehicle conditions, then comprehensive vehicle status information is provided externally, but the control system complexity increases
Solution Approach 1:
The control system merges multiple control functions into a single lamp control unit that receives various vehicle status signals (charging state, tire pressure, etc.) and coordinates the activation of multiple light sources. This unified control approach reduces the need for separate control circuits for each indicator while maintaining comprehensive vehicle status display capability.
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
Enables immediate external verification of drivable conditions by dynamically displaying vehicle states like charging state and tire pressure, ensuring readiness for travel.
Implementation Method 1
a lamp unit provided in a vehicle and having a plurality of light sources arranged therein
Data Source
AI summary
A system for controlling a vehicle condition check light by using a dynamic welcome light (DWL) mode includes a lamp unit provided in a vehicle and having a plurality of light sources arranged therein. The system also includes: a lamp control unit configured to turn on the lamp unit; a first component control unit configured to receive a first state information signal of a first component and transmit the first state information signal to the lamp control unit; and a first domain control unit configured to transmit a DWL operating signal to the lamp control unit when a DWL operation condition is satisfied.