Autonomous Driving Safety Monitoring for External Control Verification
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Solution Overview
Problem
Existing automatic driving systems face high collision risks due to errors in recognition and lack of external verification, compromising safety and efficiency.
Innovation Solution
An autonomous travel control system that integrates a moving body control system with a safety monitoring system, utilizing a monitoring processing unit to create external recognition information, verify safety, and transmit control commands to ensure safe driving.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single moving body control system is used for automatic driving, then device complexity is reduced, but reliability deteriorates due to lack of external verification
Solution Approach 1:
A safety monitoring system is introduced as an intermediary external system that verifies the automatic driving control information generated by the moving body control system. The safety monitoring system includes a verification unit that checks the generated control information against actual field conditions, providing an additional layer of safety verification without requiring complete system redesign
Solution Approach 2:
The automatic driving system is segmented into two independent but connected components: the moving body control system that generates automatic driving control information, and the safety monitoring system that verifies this information. This segmentation allows each component to be optimized independently while improving overall reliability through external verification
2Reliability
If external safety monitoring system is added, then reliability improves through verification, but device complexity increases
Solution Approach 1:
The safety monitoring system is designed to perform multiple functions: it monitors field conditions, verifies automatic driving control information, and can issue corrections or stop instructions. This multi-functionality reduces the need for separate specialized systems while maintaining comprehensive safety verification
Solution Approach 2:
The safety monitoring system establishes a feedback loop where verification results are transmitted back to the moving body control system. This feedback mechanism enables continuous safety verification and real-time correction of potential errors, improving reliability through iterative validation
3Reliability
If verification and override control are implemented, then safety improves, but productivity decreases due to additional control steps
Solution Approach 1:
The safety monitoring system performs verification on critical aspects of automatic driving control information rather than every single control parameter. This partial verification approach maintains safety for essential functions while minimizing the impact on driving efficiency and productivity
Data Source
AI summary
An autonomous travel control system having a vehicle control system that is mounted in a vehicle and that controls automatic driving of the vehicle, and a safety monitoring system for monitoring a field F, are connected so as to enable communication. The safety monitoring system is provided with: a monitoring processing unit for recognizing an object and creating outside world recognition information; a reception unit for receiving automatic driving control information transmitted from the vehicle control system; a verification unit for verifying, on the basis of the outside world recognition information, the safety of the automatic driving control information received by the reception unit; and a transmission unit for transmitting the result of the verification by the verification unit to the vehicle control system. The vehicle control system controls automatic driving of the vehicle on the basis of the verification result transmitted by the safety monitoring system.