Navigation System Sequential Turn Guide Icons for Complex Intersections
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Solution Overview
Problem
Conventional navigation systems face difficulties in accurately guiding a moving object through intersections with multiple close-by guide targets, leading to user confusion and potential deviation from the intended path, especially when guide targets are closely spaced and share similar turning directions.
Innovation Solution
A navigation system method that determines a current position using hybrid navigation and displays sequentially distinct turn guide icons representing suggested vehicle operations and directions at complex guide points, where multiple road interchanges are within a predetermined distance and share a common angular range, to help users navigate accurately through confusing intersections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a navigation system uses a single guide icon to indicate turn direction at intersections, then the guidance is simple and easy to understand, but it becomes ambiguous when multiple guide targets are located close to each other with similar turning directions
Solution Approach 1:
The patent divides the single guide icon into multiple distinct guide icons, each corresponding to a specific guide target. When multiple intersections are detected within a predetermined distance, the system generates separate guide icons for each target, allowing users to distinguish between different turn locations and directions. This segmentation resolves the ambiguity while maintaining visual clarity through distinct icon representations for each segmented guide target.
2Measurement precision
If the navigation system provides detailed information about multiple close-by guide targets, then accuracy of path guidance is improved, but the complexity of the guidance system increases
Solution Approach 1:
The patent applies local quality by providing differentiated guidance information based on the specific characteristics of each guide target. Each guide icon is customized with local qualities such as distinct visual attributes and positioning that reflect its specific location and turn direction. This allows the system to provide accurate, targeted information for each intersection without creating a uniformly complex display, as each icon's complexity is tailored to its specific navigational context.
3Ease of manufacture
If the navigation system uses fixed guide icons for all intersections, then the system is simple to implement, but it cannot adequately represent different turning directions and operations at various intersections
Solution Approach 1:
The patent implements dynamics by making the guide icons adaptive rather than fixed. The system dynamically generates and adjusts guide icons based on real-time detection of intersection characteristics, including turn direction, distance to guide target, and relative positioning. This dynamic approach allows the same icon system to adapt to various intersection types (left turns, right turns, U-turns, straight ahead) while maintaining a consistent underlying framework, thus achieving versatility without sacrificing implementation simplicity.
Data Source
AI summary
A navigation system, and a method for guiding a moving object having the navigation system, include a control unit which determines a current position of the moving object and whether the moving object has arrived at a guide point of a guide target. The control unit provides the drive path based on the current position of the moving object. Upon arrival of the moving object at the guide point, a first turn guide icon and a second turn guide icon are determined for the guide target, wherein the first turn guide icon and the second turn guide icon collectively represent suggested vehicle operations at the guide point and a drive direction at a position of the guide target from a plurality of previously stored turn guide icons. The guide icons are sequentially displayed relative to the drive path throughout the vehicle operation at the guide point.