Wrong-way Driver Validation Plausibility Check

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Solution Overview

Problem

Existing systems fail to accurately differentiate between legitimate wrong-way driver alerts and non-relevant situations, leading to unnecessary confusion and false warnings, particularly at expressway exits where multiple wrong-way driver detections within a short time or at the same location are highly improbable.

Innovation Solution

A method and device that validate wrong-way driver information items by checking plausibility using additional information items, such as traffic conditions or authorization data, to suppress warning messages when the situation is deemed irrelevant, preventing false positives and panic reactions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If warning messages are sent for every detected wrong-way driver, then detection coverage is improved, but false warnings and confusion increase

Engineering Contradiction:
Improvedetection coverageVSAvoidfalse warnings
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The system performs preliminary plausibility checks using additional information items (traffic flow data, accident information, construction site data) before generating warning messages. This preliminary validation prevents false warnings by verifying that detected wrong-way driving situations are actually plausible and require alerting, thus resolving the contradiction between comprehensive detection and false alarm reduction.

Inventive Principle:
Principle #10Preliminary action

2Measurement precision

If multiple detection methods are used to improve accuracy, then measurement precision is improved, but device complexity increases

Engineering Contradiction:
Improvedetection accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system uses a universal validation approach where multiple different information items (traffic flow data, accident information, construction site data) are processed through the same plausibility checking mechanism. This multi-functional validation system improves detection accuracy by considering various contextual factors while maintaining manageable complexity through a standardized validation framework.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If additional information items are checked for plausibility, then warning reliability is improved, but processing time increases

Engineering Contradiction:
Improvewarning reliabilityVSAvoidprocessing time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs partial validation by checking only the most relevant additional information items based on the specific detection context. Rather than exhaustively verifying all possible data sources, the system selectively applies plausibility checks to the most critical information items, thus improving warning reliability while minimizing processing time overhead.

Inventive Principle:
Principle #16Partial or excessive action

Data Source

PatentUS9786167B2Method and device for validating an information item regarding a wrong-way driver
Publication Date: 2017.10.10 ROBERT BOSCH GMBH
  • US9786167B2 patent drawing
  • US9786167B2 patent drawing
  • US9786167B2 patent drawing

AI summary

A method for validating an information item regarding a wrong-way driver, which indicates an instance of detected wrong-way travel of a vehicle driving the wrong way. The method includes checking plausibility, in which the information item regarding a wrong-way driver is checked for plausibility, using an additional information item, before the information item regarding a wrong-way driver is made available as a warning message for affected road users. In this context, the warning message is suppressed, if the additional information item characterizes the information item regarding a wrong-way driver as irrelevant.