Persistent Patterned Sound for Driver Behavior Notification
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Solution Overview
Problem
In semi-autonomous and autonomous vehicle systems, drivers are not consistently informed of required behaviors due to changing driving conditions and vehicle system availability, leading to potential safety issues when higher-level autonomous modes become impractical.
Innovation Solution
A computing system that determines required driver behaviors based on current vehicle and external conditions, generating a persistent sound notification to inform the driver and monitoring compliance with these behaviors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If autonomous or semi-autonomous modes are implemented in vehicles, then vehicle automation and driver assistance are improved, but driver awareness of required behaviors deteriorates due to changing driving conditions and system availability
Solution Approach 1:
The system continuously monitors driving conditions and autonomous system availability, then provides feedback to the driver through distinctive sound patterns that indicate required driver behaviors. This closed-loop feedback mechanism ensures the driver remains informed about system status and expected actions despite changes in autonomous operation levels.
Solution Approach 2:
The system changes sound parameters (pitch, volume, pattern) based on driving conditions and system availability to convey different required driver behaviors. By dynamically adjusting acoustic parameters, the system communicates critical information to the driver without requiring visual attention, maintaining awareness during transitions between autonomous modes.
2Ease of operation
If higher-level autonomous modes are activated, then driver control demands are reduced, but safety risks increase when conditions change and driver intervention is required
Solution Approach 1:
The system prepares the driver for potential intervention by continuously providing auditory cues about required behaviors before conditions change. This preliminary information delivery ensures the driver is ready to take control when needed, reducing reaction time and maintaining safety during transitions from autonomous to manual operation.
Solution Approach 2:
The system preemptively counteracts potential safety risks by monitoring conditions and alerting the driver to required behaviors before critical situations arise. The distinctive sound patterns serve as early warnings that prevent unsafe situations by ensuring driver awareness and readiness to intervene when autonomous system availability changes.
3Loss of information
If visual displays are used to inform drivers of required behaviors, then information delivery is improved, but driver distraction increases during autonomous operation
Solution Approach 1:
The system replaces visual display mechanisms with acoustic signaling to convey required driver behaviors. By substituting the visual channel with the auditory channel, the system delivers critical information without requiring the driver to divert visual attention from the road, eliminating the distraction problem associated with visual displays during autonomous operation.
Data Source
AI summary
A computing system for a vehicle includes one or more processors for controlling operation of the computing system, and a memory for storing data and program instructions usable by the one or more processors. The one or more processors are configured to execute instructions stored in the memory to determine required driver behaviors, determine a persistent sound indicative of the required driver behaviors, and generate a notification including the sound.