Charging Facility Guidance Screen for Roadside Rest Areas
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Solution Overview
Problem
Existing automotive navigation systems fail to reliably guide users of plug-in hybrid electric vehicles (PHEV) and battery electric vehicles (BEV) to charging facilities at roadside rest facilities, particularly when the facilities are installed in one-way traffic areas, leading to potential battery charging issues.
Innovation Solution
An information processing device that detects vehicle entry into a roadside rest facility with a charging station and outputs a guidance screen indicating a route to the charging facility, with adjustable scale and real-time route updates, and terminates guidance when the facility is unreachable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional navigation system is used, then general navigation functions are provided, but reliable guidance to charging facilities in one-way traffic areas is not achieved
Solution Approach 1:
The system performs preliminary detection of vehicle entry into the roadside rest facility before the user actually needs guidance to the charging facility. This advance detection allows the system to prepare and display appropriate guidance information proactively, ensuring reliable guidance is available when needed without requiring complex real-time decision-making by the user.
Solution Approach 2:
The system implements feedback by detecting vehicle entry into the facility and automatically responding with appropriate guidance screen display. This closed-loop approach ensures that guidance information is provided based on actual vehicle location and status, improving both reliability and ease of operation by eliminating the need for users to manually search for charging facility directions.
2Reliability
If guidance is continuously displayed, then users can always see route information, but unnecessary guidance display increases and causes distraction
Solution Approach 1:
The system uses preliminary detection of specific conditions (vehicle entry into roadside rest facility) to trigger guidance display only when necessary. This selective approach ensures that guidance information is displayed with high accuracy and relevance while avoiding unnecessary displays that would waste screen real estate and potentially distract the user.
Solution Approach 2:
The system applies different display qualities to different situations by detecting vehicle location and context. When the vehicle enters a roadside rest facility, the system provides detailed local guidance to the charging facility. At other times, the system suppresses guidance display, optimizing the balance between providing accurate route information and maintaining clean, distraction-free information display.
3Measurement precision
If detailed route guidance is provided, then users can accurately reach the charging facility, but device complexity increases
Solution Approach 1:
The system uses feedback from vehicle position detection to dynamically control guidance display. By continuously monitoring whether the vehicle has entered a roadside rest facility and automatically triggering appropriate guidance screens, the system achieves high position detection accuracy without requiring complex user interaction or manual configuration, thus managing device complexity effectively.
Solution Approach 2:
The system performs self-service by automatically detecting vehicle entry into the facility and generating appropriate guidance information without user intervention. This automated approach enables precise position-based guidance while minimizing the complexity of user interfaces and control logic, as the system handles detection and response autonomously based on predefined criteria.
Data Source
AI summary
The control unit of the information processing device detects that the vehicle enters the roadside rest facility in which the charging facility is installed. The control unit of the information processing device outputs a guidance screen, which is a screen indicating a traveling road for a vehicle in the roadside rest facility and includes a GUI component indicating a route from the present position of the vehicle to the charging facility, in response to detecting that the vehicle enters the roadside rest facility.