Vehicular Control Apparatus Managing Security and Safety Abnormalities
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing onboard systems are unable to effectively cope with both security and safety abnormalities, as they primarily focus on security abnormalities, leaving safety abnormalities unaddressed.
Innovation Solution
A vehicular control apparatus with a storage section and arithmetic section that differentiate between security and safety abnormalities, determining appropriate coping content based on specific limit conditions for each type of abnormality, utilizing secure communication channels and managing encryption keys for enhanced security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the system uses a single management information structure for all abnormalities, then device complexity is reduced, but the precision of abnormality-specific coping deteriorates
Solution Approach 1:
The patent applies local quality by creating specialized management information structures for different abnormality types. First management information is tailored specifically for security abnormalities with security-related parameters, while second management information is tailored for safety abnormalities with safety-related parameters. This localized specialization ensures each abnormality type is detected and coped with using the most appropriate criteria.
Data Source
AI summary
A vehicular control apparatus is used in an onboard system provided with a plurality of information processors mutually connected via a communication bus, and includes a storage section for storing information, and an arithmetic section for executing a process based on the information stored in the storage section. The information contains first management information relating to a security abnormality as a communication data abnormality owing to security attack from outside the onboard system, and second management information relating to a safety abnormality as a communication data abnormality owing to an abnormality in the onboard system. The first management information contains first limit condition information indicating a first limit condition for executing a security coping with the security abnormality. The second management information contains second limit condition information indicating a second limit condition for executing a safety coping with the safety abnormality. Upon detection of the communication data abnormality in the onboard system, the arithmetic section determines a coping content to the detected communication data abnormality based on the first management information and the second management information.