In-Vehicle Facility Display Control for Dynamic Environment Adaptation
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Solution Overview
Problem
Existing navigation systems fail to dynamically adjust facility information displays based on varying vehicle-exterior and vehicle-interior environments, such as weather, time, and driver fatigue, leading to increased user effort and potential distractions.
Innovation Solution
An in-vehicle device and information distribution server system that acquires and displays facility information based on real-time vehicle data, including speed, obstacles, and user inputs, to optimize the display of relevant facilities according to the user's current environment and preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If facility information is continuously updated and displayed based on real-time vehicle data, then the relevance and usefulness of the information is improved, but the complexity of the system increases
Solution Approach 1:
The system divides facility information into multiple categories (eating, shopping, entertainment, etc.) and uses separate acquisition and display control mechanisms for each category. This segmentation allows the system to manage complex information flows independently for each facility type, reducing overall system complexity while maintaining high adaptability to different vehicle environments and user preferences.
Solution Approach 2:
The system dynamically adjusts facility information acquisition and display based on real-time vehicle conditions (speed, obstacles, location) and user context (preferences, current task). The display control unit continuously adapts which facilities are shown and how they are presented, allowing the system to maintain relevance without requiring complex permanent configurations for all possible scenarios.
2Quantity of substance
If multiple types of facility information are acquired and displayed simultaneously, then the completeness of information is improved, but the user's ability to process information is overwhelmed
Solution Approach 1:
The system applies different display qualities and priorities to different facility information based on local context. Facilities closer to the vehicle or more relevant to current user needs are displayed with higher prominence, while less relevant information is suppressed or shown with lower priority. This local quality differentiation allows comprehensive information to be presented without overwhelming the user.
Solution Approach 2:
The system acquires more facility information than may be immediately displayed (excessive action), but then selectively presents only the most relevant portions based on current vehicle conditions and user preferences. This partial display approach ensures information completeness is maintained in the background while the user interface remains clean and manageable.
3Measurement precision
If facility search conditions are customized for each user preference, then the accuracy of search results is improved, but the setup time and labor required increases
Solution Approach 1:
The system automatically acquires and processes user preference data without requiring manual configuration. The facility information acquisition unit self-adjusts search parameters based on inferred user preferences and vehicle context, eliminating the need for users to spend time setting up custom search conditions while maintaining high search accuracy through automated personalization.
Solution Approach 2:
The system pre-acquires and stores facility information and user preference data before they are needed for display. By performing preliminary data gathering and processing, the system reduces real-time computation requirements and setup time, allowing accurate, customized facility information to be quickly presented when users need it without requiring extensive prior configuration.
Data Source
AI summary
An in-vehicle device 1 regularly transmits to an information distribution server 2 an acquisition request that includes an own vehicle position and a facility search condition, and acquires facility information matching the condition around the vehicle. The in-vehicle device 1 controls the number of displays of the facility information on the basis of the information in an in-vehicle sensor group 12 when displaying the acquired facility information on a map.