Adaptive Routing Module for Vehicle-Specific Route Constraints
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Solution Overview
Problem
Current vehicle navigation systems do not allow users to influence route calculations based on vehicle characteristics, such as size and cargo, leading to potential route restrictions for certain vehicles, like wide-body trucks that cannot traverse narrow roads or bridges with insufficient clearance.
Innovation Solution
An adaptive routing module within the navigation system enables users to input modifications to the calculated route, avoiding specific nodes or segments and considering vehicle characteristics, allowing for user-defined optimal routes to be calculated and transmitted to the vehicle navigation system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the navigation system calculates an optimal route based on minimum travel cost, then the route efficiency is improved, but the system does not allow user influence or consideration of vehicle characteristics, making it unsuitable for specialized vehicles
Solution Approach 1:
The navigation system dynamically adjusts route calculation by allowing users to modify the route graph in real-time. Users can close or open specific nodes and segments based on vehicle characteristics, and the system recalculates routes dynamically to accommodate these changes while maintaining computational efficiency.
Solution Approach 2:
The system allows users to apply local modifications to specific portions of the route graph rather than requiring complete route recalculation. Users can selectively close or open individual nodes or segments that are relevant to their vehicle's characteristics, leaving the rest of the route structure intact for efficient processing.
2Ease of operation
If the navigation system provides automated route calculation, then ease of operation is improved, but specialized vehicles like wide-body trucks cannot avoid restricted areas such as narrow roads or bridges with insufficient clearance
Solution Approach 1:
The system introduces an intermediary layer between the automated route calculation and the final route selection. Users can act as intermediaries by modifying the route graph to reflect vehicle-specific constraints, bridging the gap between automated calculation and specialized vehicle requirements without compromising ease of operation.
Solution Approach 2:
Users can perform preliminary actions by pre-defining vehicle characteristics and restricting certain nodes or segments before route calculation begins. This allows the system to automatically filter out unsuitable routes while maintaining ease of operation, as the constraints are established in advance rather than requiring manual route adjustment.
3Adaptability or versatility
If the navigation system allows user modifications to the route graph, then adaptability to vehicle characteristics is improved, but the system complexity increases due to additional input devices and processing requirements
Solution Approach 1:
The system achieves universality by designing the route graph modification capability to handle multiple vehicle types and constraints through a single interface. The same input device and processing mechanism can accommodate different vehicle characteristics (width, height, weight, cargo type) without requiring separate systems, thereby limiting complexity growth while maintaining high adaptability.
Data Source
AI summary
A vehicle navigation system includes an adaptive routing module (210) that allows a user to provide inputs that influence routes that are calculated to predetermined destinations. A route calculation module (204) executed by a navigation server (102) is operable to calculate a first route from the trip origin to the trip destination. An adaptive route calculation (204) executed by the navigation server (102) is operable to allow the user to enter a user modification of the first route. After the user modification is entered by the user, a second route to the trip destination is calculated as a function of the user modification. The second route is then transmitted to a vehicle navigation system (104).