Extended Lane Blind Spot Detection System

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Solution Overview

Problem

Blind spot detection in vehicles is challenging due to the transient nature of vehicles and drivers' limited ability to observe areas next to and behind their vehicle, leading to potential collisions when changing lanes, especially when vehicles in adjacent or extended lanes are not accounted for.

Innovation Solution

An extended lane blind spot detection system using sensors and a processor to detect vehicles in adjacent and extended lanes, generating alerts through indicator lights and audible signals to inform drivers of vehicle presence and approaching vehicles, helping them make safe lane change decisions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of information

If drivers physically turn their head or body to observe vehicles in the rear quarter blind spot, then they can detect vehicles in the adjacent lane blind spot, but they cannot detect vehicles in the extended lane blind spot and the process is cumbersome

Engineering Contradiction:
Improvedetection of vehicles in blind spotVSAvoiddriver observation process
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The patent replaces the mechanical action of physically turning the head or body with an automated sensor-based detection system. Sensors mounted on the vehicle automatically scan and detect vehicles in both adjacent and extended lane blind spots, eliminating the need for manual physical movement while providing comprehensive coverage of areas that would otherwise be undetectable.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The detection system is designed to perform multiple functions simultaneously: it detects vehicles in the adjacent lane blind spot (traditional function) and also detects vehicles in the extended lane blind spot (extended function). This multi-functional approach allows a single system to provide comprehensive blind spot coverage that would otherwise require multiple separate observation actions.

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

2Reliability

If drivers check only the adjacent lane blind spot, then the detection process is simple, but vehicles in the extended lane may be missed leading to potential collisions

Engineering Contradiction:
Improvesafety during lane changeVSAvoidblind spot detection system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The blind spot detection system is divided into distinct detection zones: the adjacent lane blind spot and the extended lane blind spot. Each zone is monitored by dedicated sensor coverage areas, allowing the system to segment the monitoring task into manageable regions while maintaining comprehensive safety coverage through systematic division of the detection field.

Inventive Principle:
Principle #1Segmentation

3Area of stationary object

If the blind spot detection system monitors only the adjacent lane, then the system complexity is reduced, but the coverage area is insufficient for safe lane changing

Engineering Contradiction:
Improveblind spot coverage areaVSAvoidsensor and processor system
Core Design Contradiction:
Area of stationary objectVSDevice complexity

Solution Approach 1:

The system extends detection coverage from the traditional adjacent lane dimension into the extended lane dimension. By adding this additional spatial dimension of monitoring, the system achieves comprehensive three-dimensional blind spot coverage that encompasses both immediate and distant lateral areas, ensuring safety for lane changes across multiple adjacent lanes.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS9925920B2Extended lane blind spot detection
Publication Date: 2018.03.27 FORD GLOBAL TECH LLC
  • US9925920B2 patent drawing
  • US9925920B2 patent drawing
  • US9925920B2 patent drawing

AI summary

A vehicle system includes at least one sensor that can detect a first target vehicle in a first blind spot and a second target vehicle in a second blind spot. The first blind spot is associated with an adjacent lane relative to a host vehicle and the second blind spot is associated with an extended lane relative to the host vehicle. A processor can generate a first alert signal when the first target vehicle is detected and a second alert signal when the second target vehicle is detected.