Autonomous Vehicle Lateral Positioning for Driver Visibility
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Solution Overview
Problem
In autonomous vehicles, drivers may face challenges in monitoring surrounding vehicles during lane change operations due to limited visibility, as conventional control systems do not adequately provide necessary visual information for the driver to make informed decisions, especially when remote vehicles are occluded or in the traditional blind spot.
Innovation Solution
An autonomous vehicle control system comprising a sensing system to determine the driver's visual condition, a remote vehicle determination system to assess the position of adjacent vehicles, and a controller that adjusts the vehicle's position relative to lane markers to ensure remote vehicles are within the driver's field of view, enhancing visibility and safety during lane changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the autonomous vehicle control system maintains the vehicle in a standard lane position, then lane integrity is maintained, but the driver cannot observe remote vehicles in blind spots during lane change operations
Solution Approach 1:
The control system performs preliminary actions by moving the vehicle laterally within the current lane before executing a lane change operation. This preliminary lateral movement repositions the vehicle to improve the driver's field of view of remote vehicles in blind spots, allowing the driver to make informed decisions about lane changes while maintaining lane integrity throughout the process
2Ease of operation
If the vehicle moves laterally to improve driver visibility of remote vehicles, then driver comfort and awareness are improved, but the vehicle position relative to lane markers changes
Solution Approach 1:
The control system changes vehicle position parameters (lateral position within lane) temporarily to improve driver visibility and awareness of remote vehicles. The system precisely controls these parameter changes to maintain the vehicle within lane boundaries, ensuring that positioning accuracy is preserved while enhancing driver comfort and situational awareness
3Productivity
If the control system allows immediate lane change operations, then productivity is improved, but the driver cannot make informed decisions due to limited visibility
Solution Approach 1:
The system performs preliminary lateral positioning adjustments within the current lane before initiating lane change operations. This preliminary action allows the driver to observe remote vehicles and make informed decisions, while the system maintains readiness to execute lane changes efficiently, thus preserving productivity without sacrificing driver awareness
Data Source
AI summary
An autonomous vehicle control system includes a sensing system, a remote vehicle determination system and a controller. The sensing system is disposed on a host vehicle and is configured to sense a visual condition of a driver of the host vehicle. The remote vehicle determination system is disposed on the host vehicle, and is configured to determine a position of a remote vehicle in an area adjacent the host vehicle. The controller is configured to control the autonomous vehicle control system to move the host vehicle relative to a lane marker based on the visual condition and the position of a remote vehicle.