Driver Warning Display Control With Distraction-Based Input Restriction
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Solution Overview
Problem
Drivers may continue operating vehicle controls while distracted, even when warnings are displayed, as existing systems only rely on visual alerts without detecting actual viewing direction or restricting operations.
Innovation Solution
A warning control device that identifies the driver's viewing direction using captured images, detects distractedness, restricts operations, and displays warning images to prevent continued operation when distractedness is detected, incorporating an identification unit, distractedness detection unit, operation accepting unit, and display control unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a warning is displayed on a display unit when a driver views the display unit during driving, then the driver is alerted to the distraction, but the driver may continue to view the display unit and perform operations
Solution Approach 1:
The system dynamically switches between normal operation mode and restricted operation mode based on real-time detection of driver viewing direction. When the driver is detected viewing the display unit, the system transitions to restricting operations on operation members, creating a dynamic response that adapts to the driver's state rather than using a static warning approach
Solution Approach 2:
The system implements a feedback loop where the detection unit continuously monitors driver viewing direction, and based on this feedback, the control unit adjusts the operation restriction state. This closed-loop feedback mechanism ensures that operation restrictions are applied appropriately when distraction is detected and removed when the driver returns to proper attention
2Reliability
If operation restriction is implemented when distractedness is detected, then continued operations are prevented, but the system complexity increases with multiple detection and control units
Solution Approach 1:
The detection unit serves multiple functions: it identifies the driver's viewing direction, determines whether the driver is viewing the display unit, and provides input for both warning display control and operation member restriction control. This multi-functionality reduces the need for separate dedicated components for each function
Solution Approach 2:
The control unit integrates multiple control functions into a single device that manages both the display unit warnings and the operation member restrictions based on the same distraction detection input, consolidating control logic and reducing system complexity
Data Source
AI summary
A warning control device includes a control device configured to identify a viewing direction of a driver based on a captured image including a face of the driver, detect, based on the viewing direction, distractedness that the driver views a direction different from a front side of a vehicle for a certain period of time or longer, in a case the distractedness of the driver is not detected, accept an operation on an operation member disposed inside the vehicle, and control a display to display an image based on the operation accepted, and in a case the distractedness of the driver is detected, and control the display to display a warning image for warning that the driver is not attentively viewing the front side.