On-Vehicle Information Processing Device Driver Attention Alerting

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Solution Overview

Problem

Current vehicle control systems fail to adequately alert drivers to other vehicles that require attention due to their focus on static driver information, neglecting the dynamic state of the driver, which increases the time required for perception and judgment during driving.

Innovation Solution

An on-vehicle information processing device that includes an other-vehicle position detector, a communication unit to acquire driver dynamic information, and a controller to manage attention calling based on the detected dynamic state of the driver of another vehicle.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If judgment is made based on static driver information only, then the system is simple to implement, but attention-calling effect is insufficient

Engineering Contradiction:
Improvesystem complexityVSAvoidattention-calling effect
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The system transitions from using only static driver information to incorporating dynamic driver state information. The driver state detector continuously monitors dynamic parameters such as eye closure, head position, and body movement, allowing the system to adaptively assess driver attentiveness in real-time, thereby improving the reliability of attention-calling without excessive complexity increase

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The driver state detector serves multiple functions: it detects various dynamic driver states (eye closure, head position, body movement), evaluates overall driver attentiveness, and provides comprehensive input for attention-calling decisions. This multi-functionality improves system reliability while avoiding the need for multiple separate detection systems

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

2Reliability

If driver dynamic information is acquired and processed, then attention-calling effectiveness improves, but device complexity increases

Engineering Contradiction:
Improveattention-calling effectivenessVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system merges the driver state detection function with the existing driver monitoring framework. The driver state detector is integrated into the overall vehicle control system, combining multiple detection capabilities (eye closure, head position, body movement) into a single unified system that evaluates driver attentiveness comprehensively, improving effectiveness while managing complexity through integration

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The driver state detector acts as an intermediary component that bridges raw sensor data and the attention-calling decision-making process. It processes dynamic driver information and transforms it into meaningful attentiveness evaluations, simplifying the overall system architecture while improving attention-calling effectiveness through intermediate processing

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS9396658B2On-vehicle information processing device
Publication Date: 2016.07.19 MITSUBISHI ELECTRIC MOBILITY CORP
  • US9396658B2 patent drawing
  • US9396658B2 patent drawing
  • US9396658B2 patent drawing

AI summary

An object of the present invention is to provide an on-vehicle information processing device that is capable of sufficiently calling attention of a driver of an own vehicle. The on-vehicle information processing device according to the present invention includes: an other-vehicle position detector that detects a position of another vehicle existing in a vicinity of an own vehicle; a communication unit that acquires, via communication, other-vehicle information including driver dynamic information from the other vehicle whose position is detected by the other-vehicle position detector, the driver dynamic information indicating a current state of activity of a driver of the other vehicle; and a controller that controls calling attention of a driver of the own vehicle or traveling of the own vehicle based on the driver dynamic information acquired by the communication unit.