Vehicle Route Computation With Driver Feedback Alerts
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Solution Overview
Problem
Existing driving assistance systems, as described in Patent Literature 1, lack effectiveness in implementing various forms of assistance, indicating a need for improved configuration.
Innovation Solution
A computation apparatus that acquires vehicle state, vehicle periphery, and driver state information to calculate a travel route and outputs notification signals based on predetermined conditions, with suppression of unnecessary alerts and enhanced notification levels when confirmation motions are not made by the driver.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the system outputs notification signals to alert drivers of potential hazards, then driver safety is improved, but false alarms and unnecessary notifications increase driver distraction and reduce system reliability
Solution Approach 1:
The system monitors driver confirmation motions (such as nodding or eye movements) to provide feedback on whether the driver has noticed the notification. This feedback loop allows the system to adjust its notification behavior, suppressing further notifications when the driver has confirmed awareness, thereby reducing false alarms and unnecessary notifications while maintaining high reliability in hazard detection.
Solution Approach 2:
The notification system dynamically adjusts its behavior based on real-time driver state detection. When the driver's attention is detected through confirmation motions, the system dynamically suppresses additional notifications. This dynamic adaptation ensures that notifications are only issued when necessary, reducing driver distraction while maintaining safety alertness.
2Ease of operation
If the system uses multiple notification levels to alert drivers, then notification effectiveness is improved, but system complexity increases
Solution Approach 1:
The system changes notification parameters (such as notification level, frequency, and type) based on driver response. Instead of implementing a complex multi-level notification system from the outset, the system starts with a base notification and dynamically adjusts parameters based on whether the driver provides confirmation motions. This parameter-based approach simplifies the system architecture while maintaining high notification effectiveness.
3Measurement precision
If the system continuously monitors driver state to prevent false alarms, then notification accuracy is improved, but processing time and computational load increase
Solution Approach 1:
The system performs preliminary detection of driver state using simplified metrics (such as basic eye tracking or head position) before issuing notifications. This preliminary action allows the system to quickly assess whether the driver is attentive without requiring complex continuous monitoring. Only when the preliminary assessment indicates potential issues does the system engage more intensive monitoring, thereby reducing overall processing time while maintaining high detection accuracy.
Data Source
AI summary
A computation apparatus for computing a travel route of a vehicle, the computation apparatus comprising an acquisition unit configured to acquire vehicle state information indicating a state of the vehicle, vehicle periphery information indicating a state around the vehicle, and driver state information indicating a state of a driver of the vehicle, a calculation unit configured to calculate the travel route of the vehicle based on the vehicle state information, the vehicle periphery information, and the driver state information, and a signal output unit configured to output a signal in a case where the travel route satisfies a predetermined condition, that implements more appropriate driving assistance thereby.