Automated Driving Control for Measuring Driver Engagement
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Solution Overview
Problem
Current driver monitoring systems fail to effectively assess active engagement of drivers during autonomous driving, as they cannot distinguish between an actively engaged driver and one who is merely resting their hand on the steering wheel, and do not measure the driver's reaction to critical situations effectively.
Innovation Solution
A driver controlling system comprising a propulsive actuator unit, a propulsive sensor unit, and a control unit that modifies driving parameters in an automated driving mode to induce a reaction from the driver, allowing for the measurement of driver engagement through the detection of manual inputs and monitoring of posture and gaze direction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If autonomous driving technology is improved to take over operational decisions, then vehicle automation capability is improved, but driver reaction capability in critical situations deteriorates
Solution Approach 1:
The system introduces active feedback loops where the automated driving system deliberately modifies driving parameters and monitors driver reactions. This feedback mechanism keeps the driver engaged and responsive by requiring them to respond to intentional deviations, thereby maintaining reaction capability while automation is active.
Solution Approach 2:
The system employs periodic modifications of driving parameters at defined intervals or conditions. These periodic changes serve as engagement prompts that require driver attention and response, preventing passive disengagement while maintaining high automation levels during non-critical periods.
2Device complexity
If passive monitoring devices are used to detect driver engagement, then device complexity is reduced, but measurement precision of driver engagement deteriorates
Solution Approach 1:
The system makes the driver actively participate in their own monitoring by creating situations that require their response. The driver's own reactions serve as the measurement data, eliminating the need for complex external monitoring devices while achieving precise engagement assessment.
Solution Approach 2:
The automated driving system acts as an intermediary that translates driver engagement status into measurable reactions. By introducing controlled modifications to driving parameters, the system creates observable responses that indicate engagement levels without requiring direct complex monitoring of driver state.
Data Source
AI summary
The present disclosure relates to a driver controlling system for a vehicle comprising a propulsive actuator unit, a propulsive sensor unit, and a control unit. The control unit prompts the propulsive actuator unit to apply a driving parameter in an automated driving mode of the vehicle. The driving parameter is based on a driving preference of a driver. The control unit further modifies the driving parameter of the automated driving mode by a defined rate of deviation for causing a reaction of the driver. The propulsive sensor unit generates driver engagement data based on the reaction of the driver to the modified driving parameter. The rate of deviation may be varied and/or the driving parameter may be incrementally modified from a prior modified driving parameter by the defined rate of deviation, in case of insufficient reaction of the user.