Lane Change Image Display for Multi-Lane Autonomous Maneuvers

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Solution Overview

Problem

Existing image display systems for autonomous lane changes fail to inform passengers whether a lane change to an adjacent lane is final or if further lane changes will occur, especially when multiple lane changes are performed successively.

Innovation Solution

An image control method that generates a road image displaying the own lane and adjacent lanes, superimposing specific course displays on the image to indicate whether the target lane is within the displayed lanes or beyond them, allowing passengers to understand the status of lane changes before they commence.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple lane changes are performed successively to reach a distant target lane, then the lane change capability is improved, but the passenger information completeness deteriorates because existing displays cannot inform whether the lane change is final or continues

Engineering Contradiction:
Improvelane change capabilityVSAvoidpassenger information completeness
Core Design Contradiction:
Adaptability or versatilityVSLoss of information

Solution Approach 1:

The patent segments the lane change information into two distinct visual representations: a first course display for single lane changes to displayed lanes, and a second course display for multiple successive lane changes to undisplayed lanes. This segmentation allows the system to convey different levels of lane change information appropriately, resolving the information completeness issue while maintaining versatile lane change capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent adds a dimensional aspect to the lane change display by introducing different display modes (first course display vs. second course display) based on the target lane's position relative to displayed lanes. This dimensional change enables the system to convey whether lane changes are final or continue, transforming the information presentation from a single dimension to multiple dimensions.

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

2Ease of operation

If the display shows only adjacent lanes to keep the interface simple, then the ease of operation is improved, but the measurement precision of lane change information deteriorates

Engineering Contradiction:
Improvedisplay interface simplicityVSAvoidlane change information accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent applies local quality by displaying different information based on the specific situation: when the target lane is within displayed adjacent lanes, it shows a first course display indicating final lane change; when the target lane is beyond displayed lanes, it shows a second course display indicating continued lane changes. This localized adaptation maintains interface simplicity while providing accurate lane change information.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The patent makes the display dynamic by adjusting the course display type based on the relationship between the target lane and displayed lanes. The system dynamically switches between first course display and second course display, enabling the interface to adapt to different lane change scenarios while maintaining simplicity and providing accurate information.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS20240263955A1Image Control Method and Image Control Device
Publication Date: 2024.08.08 NISSAN MOTOR CO LTD
  • US20240263955A1 patent drawing
  • US20240263955A1 patent drawing
  • US20240263955A1 patent drawing

AI summary

An image control method includes: generating a road image representing an own lane and other lanes; and generating lane change images by, in a case where the own vehicle is caused to perform a lane change by autonomous travel control, when a target lane determined as a destination lane of a lane change is one of the displayed other lanes, superimposing a first course display representing a course in which a lane change to the target lane included in the displayed other lanes is performed on the road image and, when the target lane is none of the displayed other lanes, superimposing a second course display representing a course in which a lane change from the own lane to one of the displayed other lanes is performed and a lane change to an outer side of the displayed other lanes is further performed on the road image is performed.