Adaptive Exterior Lighting Wavelength Control for Autonomous Machines

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Solution Overview

Problem

Existing vehicle lighting systems are limited to fixed brightness and wavelength, failing to adapt to varying environmental conditions, weather, and driving objectives, thus compromising safety and user experience.

Innovation Solution

Implementing a vehicle system with multi-wavelength light emitters and a vehicle control system that adjusts brightness and wavelength characteristics based on environmental conditions and driving objectives, using sensors to enhance visibility, safety, and user interaction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If fixed brightness and wavelength lighting is used, then the lighting system is simple and reliable, but it cannot adapt to varying environmental conditions and weather

Engineering Contradiction:
Improveadaptability to environmental conditionsVSAvoidlighting system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies dynamics by making the lighting system adjustable and adaptive rather than fixed. The control system dynamically modifies brightness and wavelength characteristics based on real-time environmental conditions, weather, and driving objectives, transforming a static lighting system into a dynamic one that responds to changing conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes by varying the brightness and wavelength characteristics of exterior lights according to different environmental conditions. The system can adjust these optical parameters to optimize visibility and sensor performance for specific conditions such as nighttime, fog, rain, or snowy weather.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If predetermined lighting characteristics are used, then the lighting system is easy to control, but it compromises safety and user experience in various environments

Engineering Contradiction:
ImprovesafetyVSAvoidlighting control system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent employs feedback mechanisms where perception sensor devices provide information about environmental conditions to the control system. The control system uses this feedback to automatically adjust lighting characteristics, ensuring optimal safety and visibility without requiring manual intervention from the driver.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The lighting system performs self-service by automatically adapting to environmental conditions without driver input. The control system autonomously determines the appropriate brightness and wavelength settings based on sensor data, eliminating the need for manual lighting control while maintaining safety.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If fixed wavelength lighting is used, then the lighting system is simple, but it does not optimize perception sensor performance in different conditions

Engineering Contradiction:
Improvesensor perception qualityVSAvoidlighting system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent applies local quality by using multi-wavelength light emitters that can emit different wavelengths targeted at specific perception sensors. Different wavelength ranges (visible, infrared, ultraviolet) can be selectively activated to optimize the performance of specific sensor types, with each wavelength serving a particular sensing function.

Inventive Principle:
Principle #3Local quality

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

Enhances driver and passenger safety, improves user experience, and optimizes perception sensor performance by dynamically controlling exterior lights according to environmental conditions and driving scenarios.

Implementation Method 1

The exterior lights may include an array of multi-wavelength light emitters (e.g., light emitting diodes (LEDs), ultraviolet (UV) bulbs, or infrared (IR) bulbs)

Methodology Applied
Scientific EffectLight emission: Light Emitting Diode

Data Source

PatentUS20250294656A1Enhanced Human Interface Lighting for Autonomous Machines
Publication Date: 2025.09.18 APPLIED ELECTRIC VEHICLES LTD
  • US20250294656A1 patent drawing
  • US20250294656A1 patent drawing
  • US20250294656A1 patent drawing

AI summary

Enhanced human interface lighting for autonomous machines is described. In one or more implementations, a system includes perception sensor devices (e.g., camera systems, radar systems, lidar systems) to obtain environmental condition information for the environment around a vehicle. A vehicle control system controls the brightness or wavelength characteristics for one or more exterior lights of the vehicle based on the environmental condition information. In this way, the system improves driver and passenger safety, enhances the experience and safety of humans interacting with the vehicle, and improves the perception characteristics of the perception sensor devices.