Driving Support Device Route Coaching Adaptation
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Solution Overview
Problem
Existing driving evaluation technologies do not provide flexible assessment based on specific situational contexts, failing to adapt to varying driving conditions and driver skill levels.
Innovation Solution
A driving support system that acquires information on specific situations along a planned route, evaluates the driver's skill level, and plans coaching items including notifications and suggestions, prioritizing safety and skill level, with the ability to adjust coaching based on external information and user needs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If general driving evaluation based on speed and acceleration is used, then the evaluation system is simple to implement, but it cannot provide flexible assessment according to specific situational contexts
Solution Approach 1:
The system performs preliminary actions by acquiring information about specific situations along the planned route in advance, evaluating the driver's skill level before the actual driving scenario occurs, and pre-planning appropriate coaching items. This allows the system to be adaptive to specific contexts without requiring complex real-time processing during critical moments.
Solution Approach 2:
The system dynamically adjusts the evaluation and coaching process based on the driver's skill level and the specific situational context. The coaching items are not fixed but are planned and modified according to the evaluated skill level and the characteristics of the upcoming route sections, making the system both adaptable and manageable.
2Adaptability or versatility
If multiple coaching items are planned for multiple specific situations, then comprehensive coaching coverage is achieved, but the system becomes more complex to manage
Solution Approach 1:
The system applies local quality by planning coaching items with different priorities for different specific situations. Each coaching item is assigned a priority level based on the characteristics of the corresponding situation and the driver's skill level, allowing the system to manage multiple coaching scenarios effectively by focusing on the most critical ones first.
Solution Approach 2:
The system uses feedback mechanisms to monitor the execution of coaching items and adjust future coaching plans. When a coaching item is executed, the system evaluates its effectiveness and uses this feedback to refine subsequent coaching item planning, thereby managing complexity through continuous improvement rather than rigid pre-planning of all scenarios.
3Reliability
If coaching items are executed frequently to ensure safety, then safety coverage is improved, but the driver may experience information overload
Solution Approach 1:
The system applies local quality by assigning different priorities to coaching items based on the specific situation and driver skill level. High-priority coaching items related to safety are executed more frequently, while lower-priority items are executed less frequently or skipped, thereby ensuring safety without causing information overload.
Solution Approach 2:
The system applies partial action by selectively executing only the most necessary coaching items based on priority levels rather than executing all planned coaching items. This ensures that critical safety-related coaching is provided frequently while avoiding the harmful effect of overwhelming the driver with excessive information.
Data Source
AI summary
Provided is a driving support device including a storage device and a hardware processor, the hardware processor executing a program stored in the storage device to: acquire, from a mobile object, information on existence of a specific situation on a planned travel route, which is set as a route to a destination set by an occupant of the mobile object; plan a coaching item, including notification of warning information relating to traveling of the mobile object and suggestion relating to traveling of the mobile object, based at least on the information; and control a notification device so as to execute the notification and suggestion based on the planed coaching item.