Assisted Driving Awareness Feedback With Escalating Vehicle Response
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Solution Overview
Problem
Existing assisted drive systems fail to timely increase driving awareness of drivers, leading to reduced vigilance and increased risk of disengagement, which can result in safety issues during events requiring driver interaction.
Innovation Solution
A method that obtains driving awareness data, requests driver responses to increase awareness, and autonomously alters vehicle parameters if no response is received within a set time, including steering torque feedback and lane positioning adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If assisted drive is provided for extended durations, then driver assistance is improved, but driving awareness of the driver deteriorates
Solution Approach 1:
The system implements periodic monitoring of driving awareness parameters and periodically issues driver requests to restore awareness. Instead of continuous intervention, the system checks at intervals and activates assistance measures only when thresholds are breached, balancing automated support with driver engagement.
Solution Approach 2:
The system continuously monitors driving awareness parameters (eye movements, steering behavior, response time) and uses this feedback to dynamically adjust the level of assisted drive functionality. When awareness drops below thresholds, the system responds with targeted interventions to restore driver engagement.
2Reliability
If driver request data is provided to increase driving awareness, then driving awareness is improved, but response time may be delayed if driver does not respond
Solution Approach 1:
The system prepares multiple escalation levels of intervention in advance. When a driver fails to respond to the first request, pre-programmed secondary measures are automatically activated, including more urgent alerts and progressive reduction of assisted drive functionality, eliminating delays in response escalation.
Solution Approach 2:
If the driver fails to respond within a predetermined time threshold, the system skips the waiting period and immediately activates the next level of intervention or autonomously alters drive parameters, preventing further delay in restoring driving awareness.
3Reliability
If drive parameters are autonomously altered to increase driving awareness, then driving safety is improved, but driver control is reduced
Solution Approach 1:
The system dynamically adjusts drive parameters based on real-time assessment of driver awareness levels. Instead of fixed autonomous control, the assisted drive functionality adapts its intensity and scope, modifying steering assistance, acceleration control, or braking support only to the extent necessary to restore driver engagement, thereby maintaining driver control while ensuring safety.
Data Source
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AI summary
The disclosure relates to a method (100) for increasing driving awareness of a driver during assisted drive of a vehicle (300). The method comprises obtaining driving awareness data indicative of a degree of driving awareness of the driver during the assisted drive of the vehicle (101); providing first driver request data for requesting a first driver response after obtaining the driving awareness data (102), the first driver response being configured to increase the degree of driving awareness of the driver; providing drive response data if the first driver response is not received within a first response time (103), the drive response data being configured to autonomously alter at least one drive parameter of the assisted drive; and providing second driver request data for requesting a second driver response after providing a drive response (104), the second driver response being configured to increase the degree of driving awareness of the driver.