Car2X Wrong-Way Driving Detection and Alert Cessation
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Solution Overview
Problem
Existing methods for detecting wrong-way driving are not always reliable and often result in delayed warnings to other road users, with no clear indication of when the warning should be terminated to avoid unnecessary alerts.
Innovation Solution
A method utilizing Car2X communication to promptly inform other vehicles when a vehicle is no longer moving against the statutory direction of travel, incorporating navigation device data and direction information from multiple vehicles to confirm correct direction, and using speed and directional changes to verify intentional corrections, with DENM messages for wide dissemination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wrong-way driving detection is performed using external sources (other vehicles or roadway cameras), then detection can be achieved, but the detection reliability is insufficient and warning time delay occurs
Solution Approach 1:
Instead of detecting wrong-way driving from external sources (other vehicles or roadway cameras), the patent inverts the approach by having the vehicle itself detect its own wrong-way driving status using its onboard navigation device. This self-detection method eliminates the time delay associated with external detection and improves reliability by providing immediate detection and notification.
Solution Approach 2:
The navigation device continuously monitors the vehicle's position and direction of travel against the statutory direction stored in advance. This preliminary monitoring allows the system to detect wrong-way driving immediately when it occurs, rather than waiting for external detection, thereby reducing warning time delay and improving detection reliability.
2Loss of information
If wrong-way driving warning is transmitted permanently, then other road users are informed, but unnecessary alerts are generated when the vehicle has corrected its direction
Solution Approach 1:
The warning transmission is made dynamic rather than permanent. The system continuously monitors the vehicle's direction of travel and only transmits warnings when wrong-way driving is detected. When the vehicle corrects its direction and travels in the statutory direction, the system stops transmitting warnings. This dynamic approach ensures information is transmitted only when necessary, avoiding unnecessary alerts while maintaining road user awareness.
Solution Approach 2:
The system uses feedback from the navigation device to monitor whether the vehicle has corrected its direction. When the monitored direction matches the statutory direction, the feedback triggers the cessation of warning transmissions. This feedback mechanism ensures that warnings are maintained only as long as wrong-way driving persists, preventing unnecessary alerts while keeping road users informed of actual dangers.
Data Source
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Figure 3
AI summary
The invention relates to a method for detecting driving of a vehicle (10) against the statutory direction of travel, wherein the vehicle (10) communicates with further vehicles (14) by means of Car2X communication (12), wherein other road users, in particular the further vehicles (14), are informed by means of Car2X communication (12) when the vehicle (10) is moving against the statutory direction of travel. In the method in which the disadvantages from the prior art are avoided, it is provided that other road users, in particular the further vehicles (14), are signaled when the vehicle (10) is no longer moving against the prescribed direction of travel.