Autonomous Junction Maneuvering With Sequential Road-Area Detection
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Solution Overview
Problem
Merging of vehicles at junctions, particularly at unsignalized junctions with obstructed view, is challenging for both human drivers and autonomous vehicles due to limited sensor fields of view and difficulty in assessing traffic conditions.
Innovation Solution
The method involves observing a first area of the second road, altering the detection area to include a second area with a further obstructed section, and then maneuvering the vehicle based on observations from both areas, thereby increasing the overall field of view and enhancing safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the detection system observes only the first area of the second road, then the detection process is simple and fast, but the field of view is limited and traffic conditions cannot be fully assessed
Solution Approach 1:
The detection area is segmented into multiple discrete areas (first area, second area, third area) along the second road. The detection system sequentially observes each area rather than attempting to observe the entire road simultaneously, thereby expanding the total detection coverage while maintaining manageable system complexity through structured分阶段 observation
Solution Approach 2:
The detection system dynamically adjusts its observation strategy by sequentially shifting between different detection areas based on traffic conditions and maneuvering progress. The system can adaptively determine when to observe the first area, when to alter to the second area, and when to observe the third area, making the detection process flexible rather than static
2Productivity
If the vehicle maneuvers quickly into the second road, then productivity is improved, but safety is compromised due to insufficient traffic assessment
Solution Approach 1:
The detection system performs preliminary observations of multiple areas (first area, second area, and potentially third area) before the vehicle commits to maneuvering into the second road. This preliminary detection of traffic conditions in advance allows the vehicle to assess risks beforehand and only proceed when safe, thereby maintaining both speed and safety
Solution Approach 2:
The system continuously monitors traffic conditions in the detection areas and uses this feedback to dynamically adjust the maneuvering decision. If road users are detected in the observation areas, the system feedbacks this information to delay or modify the maneuvering action, ensuring safety while allowing quick execution when conditions permit
Data Source
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AI summary
The disclosure relates to a method (100) for maneuvering an at least partially autonomous vehicle (10) from a first road (31) positioned at a junction (30) into a second road (32) meeting the first road (31) at the junction (30), the method (100) comprising: - observing a first area (1) of the second road (32) for detection of road users (20) by a detection system (13) of the vehicle (10), - altering a detection area of the detection system (13) to include a second area (2) of the second road (32), the second area (2) comprising a further area (3) of the second road (32) that is not comprised in the first area (31), - observing the second area (2) of the second road (32) for detection of road users (20) by the detection system (13), and - maneuvering the vehicle (10) into the second road (32) based on the observing of the second area (2) of the second road (32).