Wiring Harness Flattened Layout for 3D Route Length Changes

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Solution Overview

Problem

The design process for wiring harnesses is complex, cumbersome, inefficient, and prone to errors, particularly when changes in route segment lengths are made in a three-dimensional model, as these changes are not accurately reflected in the corresponding flattened two-dimensional representation.

Innovation Solution

A method and system that generate a flattened, two-dimensional visual representation of a modified three-dimensional wiring harness model, preserving the visual layout of the initial model by incorporating changes in route segment lengths while maintaining the layout of the flattened representation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If the three-dimensional model is modified to change route segment lengths, then the accuracy of the flattened representation is improved, but the complexity of the design process increases

Engineering Contradiction:
Improveaccuracy of flattened representationVSAvoidcomplexity of design process
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system performs preliminary actions by automatically detecting route segment length changes in the 3D model before generating the flattened 2D representation. This preliminary detection and automatic update mechanism eliminates the need for manual redesign of the flattened layout, thereby improving accuracy while managing complexity through automation.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If the flattened representation is regenerated after each modification, then the reliability of the design is improved, but the productivity is reduced

Engineering Contradiction:
Improvereliability of designVSAvoiddesign efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The system implements a dynamic update mechanism where the flattened 2D representation is automatically regenerated only when route segment length changes are detected in the 3D model. This dynamic approach ensures reliability by keeping the flattened representation synchronized with the 3D model while improving productivity by avoiding unnecessary regeneration cycles.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system establishes a feedback loop between the 3D model and flattened 2D representation. Changes in route segment lengths in the 3D model trigger automatic detection and update of the flattened representation, ensuring reliability through continuous synchronization while maintaining productivity through automated feedback-driven updates.

Inventive Principle:
Principle #23Feedback

3Loss of information

If manual adjustments are made to preserve visual layout, then the ease of operation is reduced, but the loss of information is minimized

Engineering Contradiction:
Improvepreservation of visual layoutVSAvoidease of design modification
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The system performs self-service by automatically detecting route segment length changes and preserving the visual layout of the flattened representation without requiring manual user intervention. The system autonomously maintains the relationship between 3D model modifications and 2D flattened output, minimizing information loss while improving ease of operation through automation.

Inventive Principle:
Principle #25Self-service

Data Source

PatentEP4675487A1Update flattened route for changes in route length in 3D route design
Publication Date: 2026.01.07 DASSAULT SYSTEMES SOLIDWORKS CORP
  • EP4675487A1 patent drawingFigure 1
  • EP4675487A1 patent drawingFigure 2
  • EP4675487A1 patent drawingFigure 3

AI summary

A computer-based method includes generating, in a virtual two-dimensional viewing environment, a flattened, two-dimensional visual representation of an initial three-dimensional model of a wiring harness based on user input. The two-dimensional representation of the initial model has an initial visual layout. The method includes subsequently modifying the initial three-dimensional model to generate a modified three-dimensional model in response to additional user input. Specifically, at least one route segment in the wiring harness in the modified model has a different length than the corresponding route segment in the initial model. The method then includes generating, in the virtual two-dimensional viewing environment, a flattened, two-dimensional visual representation of the modified three-dimensional model. The flattened two-dimensional visual representation of the modified model has the route segment length of the modified three-dimensional model but otherwise preserves the visual layout of the flattened, two-dimensional representation of the initial three-dimensional model.