Blind Spot Cyclist Detection via Mirror Display

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Solution Overview

Problem

Current vehicle safety systems fail to effectively alert drivers of cyclists in blind spots, leading to potential collisions and injuries or fatalities.

Innovation Solution

A system and method that detect the presence of cyclists using geometric characteristics and speed data, and display a graphical indication on the vehicle's mirrors or heads-up display to alert the driver of a cyclist's presence in a blind spot.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the driver relies on traditional mirrors and direct vision, then the vehicle structure remains simple, but cyclists in blind spots cannot be detected

Engineering Contradiction:
Improvecyclist detection capabilityVSAvoiddetection system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The existing mirror system is enhanced to serve dual functions: traditional reflection and cyclist detection display. The mirror assembly integrates a display component that can show graphical representations of detected cyclists, transforming a simple reflective surface into a multi-functional safety device without requiring completely separate detection hardware

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

Solution Approach 2:

The patent introduces an intermediary display system that bridges the gap between the detection sensors and the driver. The display component acts as a mediator, translating complex sensor data into simple visual indicators (graphical representations) that the driver can easily interpret, thereby improving detection reliability without directly increasing system complexity

Inventive Principle:
Principle #24Intermediary (Mediator)

2Object-affected harmful factors

If no detection system is used, then the system complexity is low, but collisions with cyclists cannot be prevented

Engineering Contradiction:
Improvecollision risk with cyclistsVSAvoidsafety system complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The system performs preliminary detection and warning actions before a collision can occur. By detecting cyclists in advance and displaying their presence on the mirrors, the system provides the driver with提前 warning, allowing time to take preventive action and avoiding the collision entirely

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The display component utilizes visual changes (color and graphical representation) to indicate cyclist presence. This visual signaling method effectively communicates hazard information to the driver without requiring complex alert mechanisms, reducing the harmful effect of undetected cyclists while maintaining relatively simple system architecture

Inventive Principle:
Principle #32Color changes

3Reliability

If the driver's attention is not focused on blind spots, then driving operation is simple, but cyclists in blind spots remain undetected

Engineering Contradiction:
Improveblind spot awarenessVSAvoiddriver operation simplicity
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The system provides self-service by automatically detecting and displaying cyclist information without requiring active driver attention to blind spots. The mirror display system independently performs the monitoring function, freeing the driver from the need to manually check blind spots while maintaining high reliability

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system implements feedback by continuously monitoring the environment and providing real-time visual feedback to the driver through the mirror display. This closed-loop feedback mechanism ensures the driver is constantly informed of cyclist presence without requiring the driver to actively search for hazards, thus improving reliability while maintaining ease of operation

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS11735051B2Detection of bicyclists near ego vehicles
Publication Date: 2023.08.22 TOYOTA JIDOSHA KK
  • US11735051B2 patent drawing
  • US11735051B2 patent drawing
  • US11735051B2 patent drawing

AI summary

A method for alerting a driver when a cyclist is detected near an ego vehicle is described. The method includes detecting a presence of an object proximate the ego vehicle. The method also includes identifying the object as the cyclist according to geometric characteristics and/or speed data of the detected object. The method further includes displaying a graphical indication of the cyclist on a passenger side/driver side mirror of the ego vehicle while the cyclist is in a blind spot of the ego vehicle.