Dynamic Safety Zone Projection for Vehicle Collision Avoidance
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Solution Overview
Problem
Current collision prevention systems in vehicles are inadequate as they primarily rely on post-collision measures and lack effective methods to communicate safe distances and collision warnings to all drivers involved, particularly in dynamic conditions like varying speeds and weather, leading to frequent fender benders and potential fatalities.
Innovation Solution
A system that uses image projection technology to dynamically display a safety zone on the road surface, calculated based on vehicle speed, acceleration, and road conditions, allowing merging vehicles to adjust their position relative to the index vehicle, and includes sensors and cameras to detect collisions and document violations, providing real-time visual and audio warnings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If sensors are used to monitor collision risk, then collision detection capability is improved, but the information is only available to the driver of the vehicle with sensors, not to drivers of other vehicles
Solution Approach 1:
The patent introduces an intermediary communication system that receives collision risk information from sensors in one vehicle and transmits it to other vehicles. This mediator approach allows information sharing without requiring direct complex peer-to-peer communication between all vehicles, resolving the contradiction between information availability and system complexity.
Solution Approach 2:
The communication system is designed to serve multiple functions: detecting collision risk, transmitting warning information, and providing visual/audible alerts to multiple drivers simultaneously. This multi-functionality allows a single system to address the information loss problem across multiple vehicles without proportionally increasing complexity.
2Reliability
If forward-collision detection systems warn drivers at low speeds, then collision prevention is improved, but the warnings are often muted below 15 miles per hour
Solution Approach 1:
The system applies different warning characteristics to different speed conditions. At low speeds, it uses localized, targeted alerts that are appropriately calibrated for the specific risk level, rather than uniformly muting all warnings. This allows reliable collision detection to remain effective while adapting the alert intensity to match the actual hazard.
Solution Approach 2:
The warning system dynamically adjusts its output based on real-time conditions including vehicle speed, proximity to other vehicles, and environmental factors. This dynamic adjustment ensures warnings remain reliable and appropriately noticeable across varying operating conditions, rather than using fixed thresholds that mute warnings at low speeds.
3Object-affected harmful factors
If tailgating is not monitored, then system simplicity is maintained, but tailgating causes serious and fatal accidents and is rarely documented
Solution Approach 1:
The system performs preliminary detection and warning of tailgating behavior before it leads to serious accidents. By identifying unsafe following distances early and providing alerts to both the tailgating driver and the monitored vehicle, the system prevents harmful outcomes without requiring complex post-accident documentation.
Solution Approach 2:
The monitoring system provides immediate feedback to drivers engaged in tailgating behavior through visual and audible warnings. This feedback loop allows drivers to correct their behavior in real-time, reducing accidents without requiring complex documentation systems. The feedback mechanism itself serves as the primary intervention.
Data Source
AI summary
A collision prevention system has one or more sensors for determining an instantaneous velocity of a vehicle. A computer is interfaced to the one or more sensors. The computer obtains the instantaneous velocity of the vehicle from the one or more sensors. The computer is operatively configured to execute software that operates the computer to display a dynamic safety zone in front of the vehicle that is visible to other vehicles that may merge into that vehicles lane, signaling the other vehicles to merge in front of the vehicle if the safety zone is shrinking or behind the vehicle if the safety zone is enlarging.