Vehicle Control Priority Logic for Occupant Abnormality and Collision Response
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Solution Overview
Problem
Existing vehicle control systems fail to effectively prioritize and execute multiple driving support controls when multiple conditions are satisfied simultaneously, compromising vehicle safety.
Innovation Solution
A vehicle control device with integrated circuits for recognizing surroundings, executing alarms and controls, and prioritizing control execution based on detected conditions, ensuring priority for occupant abnormality handling when multiple controls are active.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple driving support controls are executed simultaneously when their conditions are satisfied, then the system responds comprehensively to various situations, but the control execution becomes ambiguous and safety is compromised
Solution Approach 1:
The patent segments the control execution logic into distinct priority levels. The arrangement circuit divides multiple driving support controls into hierarchical groups, with emergency controls (occupant abnormality handling) at the highest priority, followed by collision avoidance controls, and other driving support controls at lower priorities. This segmentation resolves the contradiction by providing clear execution hierarchy while maintaining comprehensive safety coverage.
Solution Approach 2:
The patent applies local quality by assigning different priority levels to different control functions based on their safety criticality. The arrangement circuit identifies specific control functions (occupant abnormality handling, collision avoidance) that require higher priority execution, while allowing lower priority execution for less critical controls. This differentiated priority assignment resolves the execution ambiguity while maintaining system comprehensiveness.
2Reliability
If the control system executes all satisfied controls simultaneously, then comprehensive safety coverage is achieved, but control ambiguity and execution conflicts arise
Solution Approach 1:
The patent applies dynamics by making the control execution hierarchy adaptive to the specific situation. The arrangement circuit dynamically determines which control to execute based on the current combination of satisfied conditions and the pre-established priority levels. This dynamic selection process resolves the contradiction by providing clear execution guidance while maintaining comprehensive safety coverage through the hierarchical structure.
Solution Approach 2:
The patent uses parameter changes by varying the execution priority parameter based on the type of control function. The arrangement circuit assigns different priority parameters to different control functions (occupant abnormality handling = highest priority, collision avoidance = medium priority, other controls = lowest priority). This parameter-based differentiation resolves the execution clarity issue while preserving comprehensive safety coverage.
Data Source
AI summary
A vehicle controller is configured to: recognize a surrounding situation of a vehicle; execute first control of giving a first alarm to an occupant of the vehicle in response to a first condition being satisfied; execute second control of controlling braking or steering of the vehicle and giving a second alarm to the occupant in response to a second condition being satisfied; detect an abnormality of the occupant; execute third control of decelerating or stopping the vehicle and giving a third alarm in response to the abnormality of the occupant; and arrange execution of the first, second and third control. The vehicle controller executes the third control with priority over the first control when conditions of the first control and the third control are satisfied; and executes the second control with priority over the third control when conditions of the second control and the third control are satisfied.