Pass Point Management for Wire Harness Route Design
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Solution Overview
Problem
Conventional route design systems for deformable linear structures, such as wiring harnesses, face difficulties in managing pass point positions and priorities, leading to complex and inefficient design modifications due to the influence of position references and the need for frequent changes in pass point attributes, which hinders smooth operation and understanding of component relationships.
Innovation Solution
A design support system that includes editing means for generating, modifying, and deleting pass points, position management using multiple position references, priority management for effective position changes, and display control to differentiate pass points based on attributes, allowing users to manage and visualize pass point changes and priorities effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional position reference management is used for pass points, then pass point positions can be identified, but design modifications become complex and inefficient due to frequent changes in pass point attributes
Solution Approach 1:
The system segments pass point management by introducing two distinct types: fixed pass points (with absolute coordinates) and movable pass points (with relative coordinates to parent pass points). This segmentation allows different management strategies for different pass point scenarios, simplifying the overall attribute management complexity while maintaining ease of operation.
Solution Approach 2:
The system implements dynamic pass point attributes where movable pass points automatically update their positions based on parent pass point changes. This dynamic behavior eliminates the need for manual attribute changes when modifying routes, making design modifications efficient while maintaining proper pass point relationships.
2Adaptability or versatility
If pass point attributes are frequently changed to accommodate design modifications, then adaptability improves, but operation efficiency deteriorates due to complex editing processes
Solution Approach 1:
The system performs preliminary action by pre-establishing parent-child relationships between movable pass points and their parent pass points. When design modifications are needed, the system automatically handles position updates based on these pre-defined relationships, eliminating the need for frequent manual attribute changes and maintaining high operation efficiency while providing adaptability.
Solution Approach 2:
The system implements feedback mechanisms where changes to parent pass points automatically trigger position updates in child pass points. This feedback loop ensures that route modifications propagate correctly through the pass point hierarchy, providing adaptability without requiring manual intervention, thus maintaining productivity.
3Measurement precision
If multiple position references are used for pass points, then position identification accuracy improves, but understanding of component relationships becomes difficult
Solution Approach 1:
The system applies local quality by assigning different coordinate management characteristics to different pass point types: fixed pass points use absolute coordinates for precise position identification, while movable pass points use relative coordinates to maintain clear parent-child relationships. This localized approach to coordinate management achieves both position precision and relationship clarity.
Solution Approach 2:
The system introduces parent pass points as intermediaries between the coordinate system and child pass points. Movable pass points reference their positions relative to parent pass points rather than absolute coordinates, creating a clear hierarchical relationship structure that maintains both position accuracy and relationship understandability.
Data Source
AI summary
An editing process including generation, modification, and deletion of pass points through which a linear structure such as a wire harness or the like should pass in a virtual space is performed in accordance with an operation of an input device by a user, a position of a pass point generated in the editing process is managed by using a plurality of position references to identify the position, and priority of the plurality of position references for each pass point are managed and a position of a pass point whose position has to be changed by an editing process is managed in accordance with the priority when the editing process is performed in accordance with an operation of the input device by a user.