Steering Grip Feedback Display for Driver Intent in Automated Driving
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Solution Overview
Problem
Current vehicle control systems fail to effectively determine and communicate a driver's sense of purpose for driving, particularly in automated driving modes, where the driver's desire to actively operate the vehicle is not clearly indicated.
Innovation Solution
A vehicle control system that includes a steering operation element, a grip detector to monitor the driver's gripping state, and a display processor to display a notification image with a deformable graphic circle, which changes size and color based on the gripping state, indicating the driver's level of engagement and motivation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If automated driving mode is used, then productivity is improved, but the driver's sense of purpose for driving deteriorates
Solution Approach 1:
The system continuously monitors the driver's gripping state through grip detectors and provides visual feedback through the notification image displayed on the display unit. This feedback loop allows the system to detect when the driver wants to perform driving operations and respond appropriately, maintaining the driver's sense of purpose even in automated driving mode.
Solution Approach 2:
The notification image dynamically changes its display parameters (such as icon selection, brightness, or position) based on the detected gripping state. When the driver grips the steering wheel indicating a desire to drive, the system changes parameters to notify the driver that their input has been recognized, thereby preserving their sense of purpose.
2Loss of information
If manual driving mode is used, then the driver's sense of purpose is maintained, but productivity deteriorates
Solution Approach 1:
The system dynamically adjusts the level of automation based on the driver's real-time input through gripping detection. Rather than being fixed in manual or automated mode, the system transitions smoothly between states, allowing the driver to maintain their sense of purpose while still benefiting from automation when desired.
3Device complexity
If no gripping detection is implemented, then device complexity is reduced, but the ability to determine driver's sense of purpose deteriorates
Solution Approach 1:
The system replaces complex mechanical or psychological assessment methods with a simple gripping detection mechanism. By using grip detectors that monitor contact force or pressure on the steering wheel, the system can infer the driver's sense of purpose through a straightforward physical measurement rather than complex analysis.
Data Source
AI summary
A vehicle control system includes a steering operation element configured to receive a steering operation of a vehicle by a driver, a grip detector configured to detect a gripping state of the steering operation element by the driver of the vehicle, and a display processor configured to cause a display device to display a notification image indicating at least the gripping state. The notification image includes a first graphic deformable based on a circle within an entire image area. The display processor causes the display device to display the notification image including the first graphic deformed to expand a location corresponding to a part where the driver is gripping the steering operation element.