Platoon Route Handover Control Across Routine-Run Vehicle Areas
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Solution Overview
Problem
In the context of platoon travel for routine-run vehicles, there is an issue with the imbalance in the number of leading and following vehicles at intersections, leading to either excess or deficiency of routine-run vehicles at the head of the platoon.
Innovation Solution
A server for management is introduced to communicate with multiple routine-run vehicles and following vehicles, determining optimal routes and takeover positions to dynamically manage the number of leading vehicles, thereby preventing excess or deficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the number of following vehicles is increased to improve transportation efficiency, then the utilization rate of routine-run vehicles improves, but the number of leading vehicles becomes insufficient at intersections causing platoon division
Solution Approach 1:
The system segments the platoon management by introducing a server for management that separately manages routine-run vehicles and following vehicles. The server divides the route into multiple routine-run areas and assigns different routine-run vehicles to different areas, allowing the platoon to be dynamically segmented and reassembled at takeover positions to maintain adequate leading vehicles at intersections.
Solution Approach 2:
The server for management acts as an intermediary between routine-run vehicles and following vehicles. It receives reservation information from both types of vehicles, determines optimal matching, and transmits reservation data to coordinate their movements. This intermediary manages the balance between increasing following vehicles for efficiency and maintaining sufficient leading vehicles at critical points like intersections.
2Reliability
If the number of routine-run vehicles is increased to ensure sufficient leading vehicles, then platoon division at intersections is prevented, but routine-run vehicles are uselessly operated when few following vehicles are present
Solution Approach 1:
The system dynamically adjusts the number and positioning of routine-run vehicles based on real-time reservation information. The server for management determines the optimal number of routine-run vehicles needed for each routine-run area by analyzing the number of following vehicles that have reserved to travel in that area. This dynamic adjustment prevents useless operation of routine-run vehicles while ensuring platoon continuity at intersections.
Solution Approach 2:
The server for management implements a feedback mechanism by receiving reservation information from following vehicles and routine-run vehicles, analyzing this information to determine the optimal matching, and then transmitting reservation data back to the vehicles. This feedback loop ensures that routine-run vehicles are deployed only when needed to maintain platoon continuity, eliminating useless operations.
3Productivity
If a server for management is introduced to dynamically manage routine-run vehicles, then the number of leading vehicles is optimized, but the system complexity increases
Solution Approach 1:
The server for management is designed with multi-functionality, handling both routine-run vehicle management and following vehicle coordination through a single system. It performs multiple functions including receiving reservation information, determining optimal matching, transmitting reservation data, and managing takeovers at different routine-run areas. This universal approach optimizes vehicle utilization while avoiding the need for multiple separate management systems.
Data Source
AI summary
A routine-run-vehicle determination unit determines a route from a departure place to a destination of a following vehicle, and a plurality of routine-run vehicles in charge of a plurality of routine-run areas overlapping the route. For each of the routine-run vehicles, a route determination unit determines a routine-run route on which the following vehicle and another following vehicle that are going to travel in a routine-run area in charge can follow, and determines a portion of the routine-run route overlapping an adjacent routine-run area as a takeover position at which the following vehicle is taken over to the next routine-run vehicle. A reservation management unit transmits routine-run-vehicle reservation data including identification information of the following vehicle, and the routine-run route and the takeover position to each of the routine-run vehicles.