Adaptive Driving Assistance Guidance Based on Driver Reaction History
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Solution Overview
Problem
Repetitive notifications about the use of driving assistance functions in vehicles can increase the burden on drivers, both physically and mentally, leading to discomfort and reduced usability.
Innovation Solution
An in-vehicle driving assistance device that includes a decision unit to determine the usability of the driving assistance function based on the vehicle's travel environment, a notification unit to recommend its use, a recording unit to log driver reactions, and a determination unit to adjust notification modes based on recorded reaction history, thereby reducing unnecessary guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the notification unit repeatedly notifies the driver to use the driving assistance function, then the driver is reminded of the function availability, but the driver burden increases due to repetitive notifications
Solution Approach 1:
The system records the driver's reaction to notifications (acceptance or dismissal) and uses this feedback to adapt future notification behavior. The determination unit analyzes the reaction history to decide whether to issue further notifications, creating a closed-loop feedback system that prevents repetitive notifications to drivers who have already been informed or rejected the function.
Solution Approach 2:
The notification system transitions from a static, fixed-notification approach to a dynamic, adaptive approach. The notification unit's behavior changes based on the driver's recorded reactions, allowing the system to flexibly adjust notification frequency and timing to match individual driver preferences and reduce burden.
2Loss of information
If the notification unit provides guidance to the driver, then the driver is informed about driving assistance function availability, but the notification may become unnecessary and increase driver burden
Solution Approach 1:
The system uses feedback from the driver's reaction (acceptance or dismissal of notifications) to determine whether future notifications are necessary. The determination unit analyzes this feedback to avoid issuing unnecessary notifications that would consume driver mental energy, while still ensuring important information is conveyed.
Solution Approach 2:
The system changes the notification parameter (whether to notify or not) based on the driver's recorded reaction. When the driver has accepted a notification or dismissed it multiple times, the system adjusts the notification parameter to avoid repetition, thereby reducing mental energy consumption while maintaining information delivery effectiveness.
3Loss of information
If the system notifies the driver about driving assistance function availability, then the driver receives useful information, but repetitive notifications reduce usability
Solution Approach 1:
The system implements feedback by recording driver reactions to notifications and using this information to adapt future notification behavior. This ensures that useful information is delivered when needed while avoiding repetitive notifications that would reduce usability, thereby optimizing the balance between information delivery and user experience.
Solution Approach 2:
The notification system dynamically adapts its behavior based on recorded driver reactions, transitioning from a fixed notification pattern to a flexible, responsive system that enhances usability by delivering information only when appropriate and avoiding repetitive guidance.
Data Source
AI summary
An in-vehicle driving assistance device is configured to decide whether or not to use a driving assistance function based on a travel environment of a vehicle. A notification unit is configured to notify a driver of the vehicle of a guidance recommending use of the driving assistance function in a case where the decision unit decides that the driving assistance function is usable. Also, a recording unit is configured to record a reaction from the driver to the notification by the notification unit as a reaction history, and a determination unit is configured to determine a mode of the notification by the notification unit based on the reaction history recorded in the recording unit.