Vehicle Driving Support Trajectory Continuity Control
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Solution Overview
Problem
Existing vehicle driving support apparatuses face reliability issues in following-travel steering control when the target vehicle ID changes, leading to unnecessary resetting of the traveling trajectory and target traveling line, which degrades the continuity and accuracy of the steering control.
Innovation Solution
The apparatus includes target object information acquisition and traveling control means that retain the existing traveling trajectory for a specific period when a target vehicle ID change is detected, and produce a new trajectory only when the correct target vehicle is confirmed to maintain continuity, using extrapolated driving state information to specify the following-travel steering target vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the target vehicle ID changes, then the system responds by resetting the traveling trajectory, but this causes unnecessary interruption of trajectory continuity and degrades steering control reliability
Solution Approach 1:
The system performs preliminary verification by checking whether the changed target vehicle ID corresponds to a different actual vehicle or is merely an identification error. By anticipating potential ID change issues and verifying before resetting, the system avoids unnecessary trajectory interruptions and maintains steering control reliability.
Solution Approach 2:
The system uses feedback from vehicle behavior analysis and positional relationship monitoring to determine whether a target vehicle ID change represents a genuine vehicle switch or an identification error. This feedback mechanism enables intelligent decision-making about whether to reset the trajectory, thereby maintaining continuity when appropriate and ensuring reliability when necessary.
2Adaptability or versatility
If the system immediately resets the traveling trajectory upon target vehicle ID change, then it adapts quickly to new targets, but this causes unnecessary trajectory interruptions when ID changes are erroneous
Solution Approach 1:
Before resetting the trajectory in response to a target vehicle ID change, the system performs preliminary verification by analyzing vehicle behavior patterns and positional relationships. This preliminary action distinguishes between genuine vehicle switches requiring adaptation and identification errors requiring ID correction, enabling appropriate response while maintaining reliability.
Solution Approach 2:
The system dynamically adjusts its response to target vehicle ID changes based on real-time analysis of vehicle behavior and spatial relationships. Rather than a fixed reset response, the system adapts its behavior - either correcting the ID or resetting the trajectory - based on the specific situation, thereby maintaining both adaptability and reliability.
3Stability of the object's composition
If the system verifies target vehicle ID changes thoroughly, then it maintains trajectory continuity, but this increases processing time and complexity
Solution Approach 1:
The verification process is segmented into distinct analytical components: extracting vehicle behavior features, analyzing positional relationships, and determining ID change validity. This segmentation allows the complex verification process to be organized systematically, improving trajectory continuity while managing complexity through structured processing.
Solution Approach 2:
The system performs verification only when a target vehicle ID change is detected, rather than continuously monitoring all parameters. This partial action approach maintains trajectory continuity when needed while avoiding unnecessary processing during normal operation, thereby balancing continuity maintenance with complexity reduction.
Data Source
AI summary
A driving support ECU retains an already-present traveling trajectory of a first vehicle to determine a target traveling line based on the retained already-present traveling trajectory during a specific period. When a specific situation occurs in the specific period, the driving support ECU produces a traveling trajectory of the first vehicle in such a manner that the traveling trajectory of the first vehicle is continuous with the already-present traveling trajectory based on position information of the first vehicle and the retained traveling trajectory to determine the target traveling line based on the produced traveling trajectory.