Autonomous Vehicle Accident Data Transmission and Fault Ratio Calculation
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Solution Overview
Problem
Autonomous vehicles face challenges in accident scenarios where driver intervention is required for post-accident processing, leading to potential secondary accidents and traffic disruptions due to the complexity of data transmission and unpredictable road environments.
Innovation Solution
A vehicle system equipped with a communicator for wireless communication with a server, capable of transmitting accident data and receiving fault ratio information, which allows autonomous operation to stop the vehicle, assess its condition, and guide it to a safe location or hospital without driver intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If autonomous vehicles transmit vast amounts of data and rely on sensors for operation, then the completeness of autonomous driving is improved, but the complexity of post-accident processing increases and driver intervention is required
Solution Approach 1:
The autonomous vehicle automatically transmits accident occurrence signals, image data, and vehicle status information to the server without driver intervention. The system independently handles fault ratio calculation by receiving and processing server responses, eliminating the need for drivers to manually document accident details or coordinate with insurance companies.
Solution Approach 2:
A server acts as an intermediary between multiple autonomous vehicles and insurance companies. The server receives accident data from vehicles, performs centralized fault ratio analysis using image data, and automatically determines liability distribution, simplifying the post-accident process for individual vehicles.
2Ease of operation
If a driver exits the vehicle to determine the accident site and call an insurance company, then post-accident processing is completed, but the vehicle stopped in this process may cause a secondary accident and adversely affect traffic flow
Solution Approach 1:
The autonomous vehicle automatically transmits accident occurrence signals and relevant data to the server immediately upon detecting an accident, before any driver intervention is needed. This preliminary automated action ensures that accident processing begins instantly without requiring the vehicle to stop or the driver to exit.
Solution Approach 2:
The vehicle independently handles the entire post-accident communication process by automatically transmitting accident data, receiving fault ratio calculations, and executing appropriate responses without driver involvement, eliminating the need for stopped vehicles and manual insurance company contact.
3Measurement precision
If the vehicle transmits image data from other vehicles within a predetermined radius to the server, then the accuracy of fault ratio calculation is improved, but the quantity of data transmitted increases
Solution Approach 1:
The system selectively transmits image data only from vehicles within a predetermined radius of the accident site, focusing data collection on locally relevant sources. This localized approach ensures that fault ratio calculations are based on pertinent visual evidence from nearby vehicles while avoiding unnecessary data transmission from distant sources.
Solution Approach 2:
The vehicle transmits image data from a predetermined radius that may include more vehicles than strictly necessary, ensuring comprehensive coverage of the accident scene. This partial excess approach guarantees that all potentially relevant visual evidence is captured for accurate fault determination, with the radius parameter可调 to balance data completeness and transmission volume.
Data Source
AI summary
A vehicle includes a communicator that is mounted on the vehicle to perform wireless communication with a server and a controller operates the communicator to transmit an accident reception request signal and image data acquired by another vehicle to the server when the vehicle has an accident with an accident target vehicle. The controller operates the communicator to receive a fault ratio from the server when the server generates fault ratio data between the vehicle and the accident target vehicle based on the image data.