Autonomous Vehicle Error-State Handoff for Reliable Dispatch
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Solution Overview
Problem
Autonomous vehicles often experience error states due to various environmental and mechanical factors, leading to incomplete transportation services and passenger or cargo delays, which can result in dissatisfaction and additional inconvenience.
Innovation Solution
A service arrangement system that identifies the properties of an autonomous vehicle contributing to an error state and selects a second vehicle without those properties to minimize the likelihood of similar errors, ensuring a reliable continuation of the transportation service by dispatching a suitable replacement vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the service arrangement system analyzes vehicle properties and selects a suitable replacement, then error recurrence is reduced, but system complexity increases
Solution Approach 1:
The vehicle selection process is segmented into distinct analytical steps: identifying the error state, determining contributing vehicle properties, and selecting a replacement vehicle without those properties. This segmentation makes the complex selection process more manageable and systematic, reducing overall system complexity while maintaining high error prevention capability.
2Loss of time
If a replacement vehicle is dispatched quickly, then passenger delay is minimized, but vehicle selection accuracy may be compromised
Solution Approach 1:
The system performs preliminary error state analysis and vehicle property identification in advance, before the replacement vehicle needs to be dispatched. This preliminary action allows for both quick dispatch and accurate vehicle selection, as the critical analysis work is completed beforehand rather than during the dispatch decision process.
Data Source
AI summary
Various examples are directed to systems and methods for dispatching autonomous vehicles. A service arrangement system may receive error data describing an error state at a first autonomous vehicle executing a first transportation service. The first transportation service may include moving a payload from a transportation service start point to a transportation service end point. The service arrangement system may determine, using the error data, a first property of the first autonomous vehicle associated with the error state and select a second autonomous vehicle that does not have the first property. The service arrangement system may send to the second autonomous vehicle a transportation service request requesting that the second autonomous vehicle travel to a rendezvous location to meet the first autonomous vehicle and transport the payload from the rendezvous location to the transportation service end point.