Vehicle Light Communication System with Aligned LEDs
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Solution Overview
Problem
Existing communication systems for vehicles rely on multiple fixed devices, increasing maintenance costs and limiting continuous information exchange along a road or track, which hinders efficient vehicle management and energy usage.
Innovation Solution
A communication system using a line of aligned light sources, such as LEDs, for continuous information transmission between a vehicle and ground devices, enabling encoding and decoding of information through light emission and detection, allowing for extended communication over hundreds of meters without fixed points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multiple fixed ground devices are used for providing different information to the vehicle, then information can be transmitted to the vehicle, but maintenance costs increase and continuous information exchange is limited
Solution Approach 1:
The patent combines multiple fixed ground devices into a single moving ground device that travels along the track. This moving device integrates the functions of multiple fixed devices, allowing continuous information exchange with vehicles while reducing the overall number of devices and maintenance requirements.
Solution Approach 2:
The patent transitions from static fixed ground devices to a dynamic moving ground device. The moving device can reposition itself along the track to maintain optimal communication range with vehicles, enabling continuous information exchange without requiring multiple fixed installation points.
2Ease of manufacture
If fixed point information distribution is used, then ground devices can be installed at specific locations, but smooth vehicle movement and efficient energy management are prevented
Solution Approach 1:
The moving ground device dynamically adjusts its position along the track to maintain communication with vehicles at various locations. This dynamic positioning enables the system to adapt to different vehicle positions and provide continuous information exchange, improving both movement flexibility and energy management capabilities.
Solution Approach 2:
The single moving ground device performs multiple functions that would otherwise require multiple fixed devices. It can provide information to vehicles at different locations, detect vehicle presence, and adapt its communication range dynamically, making the system more versatile while reducing installation complexity.
3Loss of information
If multiple fixed devices are deployed along the road or track, then different traffic regulation information can be provided, but communication range and continuous information exchange are limited
Solution Approach 1:
The moving ground device travels along the track, dynamically extending the communication coverage area. As it moves, it continuously provides traffic regulation information to vehicles over an extended length of track, replacing the need for multiple fixed devices while maintaining comprehensive information coverage.
Solution Approach 2:
The patent merges the functions of multiple fixed information-providing devices into a single moving device. This consolidated device can cover the same total communication range by moving along the track, providing continuous traffic regulation information without requiring multiple fixed installation points.
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 continuous and efficient communication along a vehicle's path, reducing maintenance costs and allowing for real-time information exchange about traffic regulations, vehicle detection, and potential dangers, improving vehicle management and energy efficiency.
Implementation Method 1
an emitter comprising a light emitting device and a light control system configured for controlling the light emitting device
Implementation Method 2
a receiver comprising a light detector, also called photodetector, and a processing unit configured for processing a signal outputted by the light detector
Data Source
Figure 1~2
Figure 3~4
AI summary
The present invention concerns a communication method and system for a vehicle, the system comprising: - an emitter (11) comprising i. a light emitting device (111) comprising multiple sources of light aligned with one another, and ii. a light control system (112) configured for controlling the light emitting device (111); - a receiver (12) comprising i. a light detector (121), and ii. a processing unit (122) configured for processing a signal outputted by the light detector (121); wherein: - one among the emitter (11) and receiver (12) is configured for being installed on-board the vehicle (3) and the other one on a road or track (2) over which the vehicle (3) is configured to move so that the light detector (121) is able to face the multiple light sources one after another during a motion of the vehicle (3) on said road or track (2); - the light control system (112) is configured for encoding information in the light emitted by the light emitting device (111) and the processing unit (122) is configured for decoding said information from the signal outputted by the light detector (121).