Caravan Navigation System Dynamic Rejoin Routes
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Solution Overview
Problem
When multiple vehicles travel in caravan mode, separation can occur due to traffic lights, wrong turns, or other factors, making it difficult for the group organizer to maintain control, resulting in increased effort and wasted time as followers may need to stop and wait for others to rejoin.
Innovation Solution
A navigation system that includes a controller programmed to generate alternative routes and adjust speeds for follower vehicles to rejoin the caravan at a meetup location before the destination, allowing for real-time coordination and reunion planning between lead and follower vehicles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If follower vehicles stop and wait for others to rejoin the caravan, then group cohesion is maintained, but travel time increases and effort is wasted
Solution Approach 1:
The system dynamically adjusts the caravan route and meetup locations based on real-time vehicle positions and separation events. Instead of static waiting, the lead vehicle recalculates routes dynamically to accommodate separated vehicles, allowing the group to maintain cohesion without prolonged stops.
Solution Approach 2:
The system pre-calculates alternative routes and identifies potential meetup locations before vehicles become significantly separated. This preliminary planning enables faster reintegration of separated vehicles without requiring the entire caravan to stop and wait.
2Stability of the object's composition
If the group organizer manually controls the caravan to maintain cohesion, then vehicles stay together, but the complexity of control increases
Solution Approach 1:
The navigation system automatically detects when vehicles separate from the caravan, identifies the separation event, and generates alternative routes without manual intervention. The system serves itself by monitoring vehicle positions and autonomously planning reintegration strategies.
Solution Approach 2:
The system continuously monitors vehicle positions relative to the caravan and provides feedback when separations occur. This real-time feedback enables automatic route adjustments and coordination between the lead vehicle and separated followers to maintain cohesion.
3Productivity
If the lead vehicle generates alternative routes for separated followers, then rejoining efficiency improves, but the navigation system complexity increases
Solution Approach 1:
The lead vehicle's navigation system performs multiple functions: it serves as the primary navigation for the caravan, monitors vehicle positions, detects separations, generates alternative routes, and coordinates reintegration. This multi-functionality consolidates complexity into a single system rather than requiring separate systems for each function.
Solution Approach 2:
The communication system acts as an intermediary between the lead vehicle and separated follower vehicles, transmitting route information and coordination data. This intermediary enables efficient information exchange without requiring direct complex interactions between all vehicles.
Data Source
AI summary
A navigation system for a vehicle comprises a controller programmed to, responsive to data indicating separation of a follower vehicle from a caravan led by the vehicle and traveling along a predefined route to a destination, generate an alternative route for the follower vehicle to rejoin the caravan at a meetup location before the destination, and alter speed of the vehicle based on expected travel time of the follower vehicle along the alternative route.