Vehicle Control System Suppressing Unnecessary Mode Switching
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Solution Overview
Problem
Existing vehicle control systems experience frequent switching of automated driving modes, leading to discomfort for vehicle occupants due to unnecessary control changes.
Innovation Solution
A vehicle control system that acquires traffic situations, predicts future states, and suppresses unnecessary switching or release of vehicle control by determining if the control will return to its original state within a predetermined period or distance, allowing selective automated driving mode management and lane changing, and controlling acceleration/deceleration based on predicted conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If vehicle control switching is performed frequently to adapt to changing traffic situations, then the system's adaptability improves, but occupant comfort deteriorates due to unnecessary control changes
Solution Approach 1:
The prediction unit performs preliminary action by predicting future traffic situations before the control unit makes switching decisions. This allows the system to anticipate whether a control switch will be necessary soon, thereby avoiding unnecessary switches that would degrade occupant comfort while maintaining adaptability when predictions indicate future changes are needed
2Ease of operation
If the system suppresses vehicle control switching to improve occupant comfort, then comfort improves, but the system's responsiveness to actual traffic changes deteriorates
Solution Approach 1:
The system uses feedback from the prediction unit about future traffic situations to inform control switching decisions. This feedback mechanism ensures that switching is suppressed only when predictions indicate the situation will remain stable, while maintaining responsiveness when predictions suggest upcoming changes that would require control adjustments
3Productivity
If automated driving mode switching is performed frequently to optimize driving performance, then driving efficiency improves, but system stability deteriorates
Solution Approach 1:
The prediction unit performs preliminary analysis of future traffic situations before automated driving mode switching is executed. This preliminary action identifies situations where mode switching would be temporary or unnecessary, allowing the system to maintain stability by suppressing such switches while preserving the ability to switch modes efficiently when predictions indicate sustained performance benefits
Data Source
AI summary
A vehicle control system including: an acquisition unit that is configured to acquire a traffic situation of an advancing direction destination of a subject vehicle; a prediction unit is configured to predict a future state related to the subject vehicle or the periphery of the subject vehicle with reference to the traffic situation that is acquired by the acquisition unit; and a control unit that is configured to perform vehicle control, and is configured to suppress switching or release of the vehicle control in a case where the prediction unit is configured to predict that the vehicle control will return to a state before the switching or the release is performed within a predetermined period or within a predetermined travel distance after the switching or the release of the vehicle control is performed.