Vehicle Collision Warning Using Predicted Path Intersection
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Solution Overview
Problem
Conventional navigators in vehicles cannot predict potential collisions and fail to warn drivers in time to avoid traffic accidents.
Innovation Solution
A vehicle warning system comprising a data processor, image processor, and estimation unit that generates predicted travel paths for multiple vehicles and estimates intersections, using GPS data and video feed analysis to determine collision risks and alert drivers through a reporting unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional navigator with GPS is installed in a vehicle to track travel path, then the vehicle's position and route can be monitored, but the system cannot predict possible vehicle collisions or warn the driver in time to avoid traffic accidents
Solution Approach 1:
The system performs preliminary actions by predicting future travel paths of multiple vehicles using current movement data and GPS coordinates. It calculates potential intersection points and estimates collision risks before actual collisions occur, enabling preventive warnings to be issued to drivers in advance.
Solution Approach 2:
The system transitions from tracking only current vehicle positions to predicting future positions by adding the time dimension. It generates predicted travel paths that extend into the future, allowing the system to identify potential collision points that are not yet visible in current spatial data alone.
2Measurement precision
If multiple video devices are installed in a predetermined area to capture images for generating second movement data, then the accuracy of detecting other vehicles' movement can be improved, but the device complexity and cost increase
Solution Approach 1:
The video devices serve multiple functions: they capture images for generating movement data of other vehicles, provide visual records for collision analysis, and can potentially be used for other traffic monitoring purposes. This multi-functionality justifies the added complexity by maximizing the utility of each device.
Solution Approach 2:
The system uses video devices as intermediaries to indirectly obtain movement data of vehicles. Instead of directly communicating with other vehicles' systems, the video devices capture visual information that is then processed to extract movement data, providing an unbiased and comprehensive view of traffic conditions.
3Reliability
If the system generates predicted travel paths for multiple vehicles and estimates path intersections, then collision warning capability is improved, but the data processing time and computational load increase
Solution Approach 1:
The system performs partial path prediction by focusing only on relevant segments of travel paths that may intersect, rather than analyzing entire routes. It identifies and processes only the critical portions where collisions are likely to occur, reducing overall computational requirements while maintaining warning accuracy.
Solution Approach 2:
The system skips unnecessary computational steps by using simplified collision estimation algorithms that directly calculate intersection points from predicted paths without exhaustive simulation. It rushes through the critical calculation of collision risk by focusing computational resources on the most probable collision scenarios.
Data Source
AI summary
A vehicle warning system includes a data processor, an image processor and an estimation unit. The data processor receives a first movement data of a first vehicle to generate a first predicted travel path and receives a second movement data of a second vehicle to generate a second predicted travel path. The image processor collects image(s) from at least one video device located within a predetermined area where the first predicted travel path passes and generates the second movement data. The estimation unit receives the first and second predicted travel paths and estimates whether the first and second travel paths are intersected and whether the first vehicle will collide with the second vehicle owing to path intersection.