Vehicle Stop-Line Alignment Control on Narrow Roads
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Solution Overview
Problem
Existing automatic steering devices for vehicles fail to control steering suitably in various traffic environments, particularly when stopping at stop lines, which can lead to inappropriate alignment with road markings and potential hindrance of oncoming vehicles or pedestrians.
Innovation Solution
A vehicle control method and device that utilizes a combination of sensors and AI-driven controllers to recognize surrounding conditions, including road markings and traffic lane configurations, to align the vehicle's center with the stop line center, ensuring safe stopping without protruding from the stop line or hindering oncoming traffic.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the vehicle stops before the stop line without specific alignment control, then the stopping position is simple to determine, but the vehicle may protrude from the stop line or hinder oncoming vehicles
Solution Approach 1:
The control device calculates the target stopping position in advance based on the vehicle width and stop line position, determining the aligned stopping position before execution. This preliminary calculation ensures accurate stopping without protruding from the stop line while maintaining simple control logic.
Solution Approach 2:
The stopping control is divided into independent components: detecting stop line position, calculating target stopping position based on vehicle dimensions, and executing steering and braking. This segmentation allows each function to be implemented separately, maintaining system simplicity while achieving reliable alignment.
2Adaptability or versatility
If the vehicle always stops aligned with the stop line center, then oncoming vehicles are not hindered, but the vehicle may not stop at the appropriate position in narrow roads without center lines
Solution Approach 1:
The control device dynamically adjusts the stopping alignment strategy based on detected road conditions. When a center line is detected, the vehicle stops aligned with the stop line center. When no center line is detected or the road is narrow, the vehicle stops at a position that does not protrude from the stop line. This dynamic adaptation enhances versatility without requiring complex control logic.
Solution Approach 2:
Different stopping alignment strategies are applied to different road conditions locally. For roads with center lines, center alignment is used. For narrow roads or roads without center lines, non-protruding position alignment is used. This local quality approach allows the system to handle diverse traffic environments effectively.
3Reliability
If the vehicle travels in the center of the road, then visibility and safety are improved, but the vehicle may protrude from the stop line when stopping
Solution Approach 1:
The control device calculates the target stopping position in advance by considering the vehicle width and the stop line position, determining the aligned stopping position before execution. This preliminary calculation ensures that even when approaching from the road center, the vehicle will stop aligned with the stop line center, preventing obstruction to oncoming traffic.
Data Source
AI summary
A vehicle control method includes recognizing surrounding conditions of a vehicle and controlling a speed and a steering of the vehicle based on the surrounding conditions of the vehicle. The method includes controlling the vehicle to stop before a stop line such that the vicinity of a center or the center in a width direction of the vehicle is aligned with the vicinity of a center or the center in a length direction of the stop line in a width direction of a road.