Active Safety System for Impaired Driver Control
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Solution Overview
Problem
Existing active safety systems in vehicles cannot effectively respond to impaired drivers who do not react to warnings, lacking measures to ensure safety for occupants and others on or near the road.
Innovation Solution
An active safety system that assesses vehicle capabilities and initiates countermeasures such as adjusting safety restraints, reducing speed, activating emergency warning lights and horn, and potentially taking control of the vehicle to steer it to a safe location if the driver is unresponsive to alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If warning alerts are provided to impaired drivers, then driver awareness is improved, but driver response remains insufficient when impairment is severe
Solution Approach 1:
The system introduces an intermediary automated vehicle control system that acts between the impaired driver and the road environment. When driver impairment is detected and warnings fail to elicit response, the system automatically takes control of steering, braking, and acceleration functions to guide the vehicle to safety, effectively mediating the failure of human driver response.
Solution Approach 2:
The system enables the vehicle to serve itself by automatically detecting driver impairment, issuing warnings, and when necessary, taking autonomous control actions without requiring driver intervention. The vehicle monitors its own operational safety and self-corrects by guiding itself to a safe location or stopping when the driver is unresponsive.
2Reliability
If automated countermeasures are initiated to stop the vehicle, then safety of occupants and others is improved, but vehicle control complexity increases
Solution Approach 1:
The system employs a multi-functional automated control module that can perform multiple functions: monitoring driver state, issuing warnings, controlling steering, managing braking, and regulating acceleration. This universal control system consolidates multiple safety functions into a single integrated mechanism, managing complexity through functional consolidation rather than proliferation of separate systems.
Solution Approach 2:
The system performs preliminary actions by pre-programming safe response protocols before impairment occurs. The control system is pre-configured with decision trees and response algorithms that automatically execute when specific impairment conditions are detected, eliminating the need for complex real-time decision-making during critical events.
3Object-affected harmful factors
If the system takes full control of the vehicle to steer to a safe location, then collision risk is reduced, but driver autonomy is reduced
Solution Approach 1:
The system applies preliminary anti-action by providing warning alerts before taking control measures. The system first attempts to maintain driver autonomy through warnings and only transitions to automated control when the driver fails to respond, thereby preemptively counteracting the potential harm of impaired driving while preserving autonomy as long as possible.
Solution Approach 2:
The system dynamically adjusts the level of control based on driver response to warnings. It transitions from a passive monitoring state to an active warning state, and finally to an automated control state, creating a dynamic control hierarchy that adapts to the severity of driver impairment rather than applying fixed control measures.
Data Source
AI summary
Various methods and systems are disclosed for implementing active safety countermeasures in vehicles when it is determined that the driver is impaired.