Work Light Optical Data Transmission for Vehicle Coordination
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Solution Overview
Problem
The increasing need for coordination among multiple commercial vehicles working together in agriculture and other fields, particularly at night, is not efficiently addressed by existing communication methods, which often lead to inefficiencies and potential blinding issues among drivers.
Innovation Solution
A method utilizing optical data transmission through controlled work lights, where a control unit generates light signals representing transmission data, allowing for bidirectional communication between commercial vehicles, enabling them to automatically adapt and coordinate their operations efficiently without additional optical elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If optical data transmission using work lights is implemented, then coordination efficiency and information exchange between vehicles improve, but risk of blinding other drivers increases
Solution Approach 1:
The system dynamically adjusts the intensity of work lights based on real-time detection of other vehicles' positions and light output levels. The control unit continuously modulates light intensity to maintain communication effectiveness while preventing blinding, transforming a static lighting system into an adaptive one that responds to changing operational conditions
Solution Approach 2:
The system implements bidirectional optical communication where vehicles both transmit and receive light signals. Each vehicle monitors incoming light signals from other vehicles and uses this feedback to automatically adjust its own light output, creating a self-regulating system that prevents any single vehicle from overwhelming others with excessive light intensity
2Reliability
If additional optical transmission elements are added for data communication, then communication reliability improves, but system cost and complexity increase
Solution Approach 1:
The system makes existing work lights perform dual functions: traditional illumination of the work area and optical data transmission. By modulating the intensity of these already-present lights, the system embeds communication capabilities within existing infrastructure, eliminating the need for separate communication hardware and reducing overall system complexity
Solution Approach 2:
The patent merges the illumination function and communication function into a single system. The work lights serve both to illuminate the work area and to transmit data through intensity modulation, combining what would traditionally be separate systems into one integrated solution that reduces component count and simplifies the overall vehicle setup
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
This method enhances the coordination and cost-effectiveness of joint work by allowing continuous information exchange and automatic adjustment of light outputs to prevent blinding, thereby improving operational efficiency and safety.
Implementation Method 1
the control unit controls a work light (e.g., headlight) of the first commercial vehicle. The controlled work light emits light signals that represent the transmitted data
Implementation Method 2
The optical receiving unit preferably contains one or more photodetectors
Data Source
Figure 1~2
AI summary
The invention relates to a method for optical data transmission between two commercial vehicles (10, 12). Communication takes place via optical data transmission (s(D1), s(D2)). A control unit (16) of a first commercial vehicle (10) generates control signals (s_stl) depending on the data (D1) to be transmitted. A work light (L1) of the first commercial vehicle (10) is controlled by means of the control signals (s_st1). The controlled work light (L1) sends light signals (s(D1)) to the second commercial vehicle (12), which represent the transmission data (D1).