Driving Assistant System Risk Level Warning

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Solution Overview

Problem

Current driver assistance systems fail to effectively and immediately address driver negligence and drowsiness, which are significant causes of traffic accidents, as they often rely on simple recommendations rather than aggressive and immediate actions.

Innovation Solution

A driving assistant system that synthetically determines a vehicle's speed, driver attention, and road conditions, using a combination of sensors and data storage to provide tailored warnings through visual, auditory, and haptic feedback based on predetermined risk levels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a simple recommendation system is used to alert drivers, then the system is easy to implement, but the effectiveness in preventing accidents is insufficient

Engineering Contradiction:
Improveease of implementationVSAvoideffectiveness in preventing accidents
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The warning system is segmented into multiple levels (first-level, second-level, third-level warnings) based on the degree of driver negligence. Each level triggers different types and combinations of warnings, allowing the system to progress from gentle reminders to aggressive interventions depending on the severity of the detected risk.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system changes the parameters of the warning output based on the assessed risk level. This includes varying the intensity, type, and combination of warnings (visual, auditory, haptic) to match the severity of the driver's negligence, thereby improving effectiveness while maintaining implementation feasibility.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If multiple warning methods are used to address driver negligence, then the effectiveness in preventing accidents is improved, but the device complexity increases

Engineering Contradiction:
Improveeffectiveness in preventing accidentsVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system integrates multiple warning methods (visual warnings through display, auditory warnings through speaker, haptic warnings through vibration) into a single multi-functional warning output unit. This allows the system to provide comprehensive warnings while sharing common control logic and data processing components, thereby improving effectiveness without proportionally increasing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If aggressive and immediate actions are taken to address driver negligence, then the effectiveness in preventing accidents is improved, but the driver may experience excessive alarm or discomfort

Engineering Contradiction:
Improveeffectiveness in preventing accidentsVSAvoiddriver alarm or discomfort
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The warning system dynamically adjusts its response based on the assessed risk level and driver reaction. It progresses from gentle first-level warnings to more aggressive second-level and third-level warnings only when necessary. This dynamic adaptation ensures aggressive actions are taken only when needed to prevent accidents, while avoiding excessive alarm or discomfort when the situation does not warrant it.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS9156352B2Driving assistant system and method having warning function for risk level
Publication Date: 2015.10.13 HYUNDAI MOTOR CO LTD
  • US9156352B2 patent drawing
  • US9156352B2 patent drawing
  • US9156352B2 patent drawing

AI summary

A driving assistant system and method having a warning function for alerting a driver of a risk level, which synthetically determines a running speed of a vehicle, a driver's inattention, a road condition, and the like and provides a warning corresponding to a degree of risk (risk level) to the driver. In particular, a calculated data value corresponding to a degree of a driver's drowsy or careless status is compared to calculation values corresponding to a vehicle speed and the degree of risk of a road to predetermined reference values corresponding to the output values and outputs at least one warning message alerting a driver of risk levels according to the comparison result.