Emergency Braking Warning Delay Based on Driver Alertness
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Solution Overview
Problem
Conventional emergency braking systems fail to distinguish between performance in more complex traffic scenarios, and existing technologies have not addressed the challenges or effectively solved the problem of avoiding needless warnings while ensuring timely vehicle stopping in critical situations.
Innovation Solution
An apparatus and method that monitors driver alertness through various sensors, delaying or overriding warnings based on detected driver activities to avoid needless alerts, while ensuring timely emergency braking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the emergency braking system issues warnings for all critical situations, then the vehicle safety is improved, but the driver experiences needless warnings and confusion
Solution Approach 1:
The system performs preliminary monitoring of driver activity and alertness detection before issuing the emergency warning. The control unit checks whether the driver is already aware of the critical situation by analyzing driver behavior patterns, and only issues the warning if the driver is found to be unaware, thereby preventing false alarms while maintaining safety
Solution Approach 2:
The system continuously monitors driver responses and adjusts warning issuance based on feedback from driver behavior analysis. By detecting whether the driver is already reacting to the situation, the system provides feedback-controlled warning suppression, eliminating needless warnings while preserving necessary safety alerts
2Loss of time
If the warning period is extended to give the driver more time to react, then the driver response opportunity is improved, but the collision avoidance time is reduced
Solution Approach 1:
The control unit dynamically adjusts the warning timing based on real-time driver alertness detection. When the driver is detected to be already aware of the situation, the warning is suppressed or delayed, effectively extending the useful response time without compromising collision avoidance, as the driver's existing awareness serves as the response trigger
Data Source
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AI summary
An apparatus (100) for avoiding a needless warning of an emergency braking system (50) of a vehicle is disclosed. The emergency braking system (50) being configured to analyze a traffic situation, to issue a warning (52), and, after a warning period, to initiate an emergency braking (54) to avoid an otherwise inevitable collision of the vehicle. The apparatus comprises a monitoring device (110) configured to monitor a driver activity during the traffic situation and to detect a driver alertness (105) for the traffic situation; and a delay device (120) configured to delay a starting of the warning (52) or to provide a delayed warning (122) based on detected driver alertness (105) to avoid the needless warning.