Vehicle Control Apparatus for Reducing False Warnings
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Solution Overview
Problem
Conventional driver drowsiness and fatigue sensing systems face limitations in efficiently improving warning operations, reducing false warning rates, and effectively preventing traffic accidents by timely warning of careless driving states.
Innovation Solution
A vehicle control apparatus and method that includes an input unit for receiving lane and traffic sign information, a determination unit to assess driving patterns and driver behavior, and a controller to transmit warning commands and adjust vehicle control systems, such as speed regulation and electronic stability control, based on calculated carelessness state determination times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional driver drowsiness and fatigue sensing systems are used, then driver state monitoring is provided, but false warning rates are high and warning timing is improper
Solution Approach 1:
The system segments the driver carelessness assessment into multiple independent evaluation dimensions: driving pattern analysis (lane keeping, steering behavior), driver behavior analysis (eye closure, head position, shoulder movement), and environmental context analysis (traffic signs, road conditions). Each dimension is evaluated separately and combined to make a comprehensive determination, reducing false warnings while improving detection accuracy.
Solution Approach 2:
The system implements continuous feedback loops where warning history and driving pattern frequency are monitored over predetermined time periods. The carelessness state determination time is dynamically adjusted based on feedback from warning occurrence frequency and inappropriate driving pattern frequency, allowing the system to learn and adapt to reduce false warnings while maintaining proper warning timing.
2Reliability
If driver carelessness warning is activated, then driver safety is improved, but false warnings increase and proper timing is compromised
Solution Approach 1:
The system performs preliminary assessment of driving patterns and driver behavior before issuing warnings. It monitors and counts inappropriate driving patterns (lane deviations, steering behaviors) and driver carelessness indicators (eye closure duration, head position) over predetermined time periods, establishing a baseline and determining optimal warning timing in advance to avoid false warnings while ensuring timely alerts when truly needed.
Solution Approach 2:
The system dynamically changes the carelessness state determination time parameter based on multiple factors including inappropriate driving pattern frequency, warning occurrence frequency, and current driving conditions. This adaptive parameter adjustment allows the system to optimize warning timing for each specific situation, reducing false warnings while maintaining effective accident prevention.
3Measurement precision
If multiple driving parameters are monitored, then detection accuracy is improved, but system complexity increases
Solution Approach 1:
The controller serves multiple functions within a single integrated system: it monitors driving patterns, analyzes driver behavior, determines carelessness states, calculates warning timing, and controls warning apparatus activation. By consolidating these functions into one multi-functional controller rather than separate systems, the patent achieves high detection precision while managing system complexity through functional integration.
Data Source
AI summary
Disclosed are a vehicle control apparatus and a vehicle control method. The vehicle control apparatus according to an embodiment of the present disclosure includes an input unit to receive current lane information, current traffic sign information, and current driver behavior information photographed by a photographing apparatus, a determination unit to determine whether a vehicle is in an inappropriate driving pattern based on the inputted current lane information and the current traffic sign information and to determine whether a driver is in a driver carelessness state based on the inputted current driver behavior information, and a controller to transmit a warning command to a warning apparatus so that the warning apparatus warns the driver that the driver is currently in a careless driving state if the vehicle is in the inappropriate driving pattern and the driver is in the driver carelessness state.