UGV Travel Priority Using Digital Certificates on Shared Routes
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Solution Overview
Problem
In situations where multiple vehicles providing delivery services have overlapping delivery routes, there is a need to determine which vehicle should prioritize its travel based on the urgency of the objects being delivered or services being provided, while ensuring fair and appropriate decision-making.
Innovation Solution
A travel determination method and system that utilizes digital certificates, such as public key certificates, to determine the priority of unmanned ground vehicles based on their vehicle purpose and service details, allowing vehicles to make appropriate travel decisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple vehicles travel on overlapping routes without priority determination, then vehicle mobility is maintained, but traffic conflicts and safety issues occur
Solution Approach 1:
The patent changes the parameter of vehicle identification from generic to specific by using digital certificates that encode vehicle purpose and service details. This allows the system to determine travel priority based on certified parameters rather than simple vehicle identification, resolving the contradiction between safety and complexity.
Solution Approach 2:
The patent introduces a determination system as an intermediary that mediates between multiple vehicles on overlapping routes. This intermediary uses digital certificates to objectively determine travel priority, preventing direct conflicts between vehicles while maintaining system manageability through centralized coordination.
2Ease of operation
If digital certificates are used to determine travel priority, then appropriate travel determination is achieved, but system complexity increases
Solution Approach 1:
The patent makes the determination system universal by enabling it to handle multiple vehicle types and service purposes through a common digital certificate framework. The system can determine priority for various vehicle purposes (emergency, delivery, transport) using the same certificate-based mechanism, improving ease of operation while managing complexity through standardization.
3Productivity
If vehicles prioritize travel based on service urgency, then delivery efficiency improves, but fairness in route allocation may be compromised
Solution Approach 1:
The patent implements feedback through the determination system that continuously monitors vehicle certificates and adjusts priority allocations accordingly. The system provides feedback to vehicles about their determined priority status, allowing urgent deliveries to proceed efficiently while ensuring that fairness is maintained through transparent, certificate-based decision-making that can be verified by all parties.
Data Source
AI summary
A first vehicle is an unmanned ground vehicle and holds a first digital certificate according to at least one of a vehicle purpose of the first vehicle and a service of the first vehicle, and a second vehicle holds a second digital certificate according to at least one of a vehicle purpose of the second vehicle and a service of the second vehicle. A travel determination method includes obtaining the first digital certificate and the second digital certificate, and determining whether to prioritize travel of the first vehicle or the second vehicle, based on the first digital certificate and the second digital certificate obtained, when each of the first vehicle and the second vehicle travels on a corresponding transport route.