Sewing Error Management Visualizing Stitch Coordinates
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Solution Overview
Problem
In sewing machines, particularly those used for embroidery, identifying the occurrence position of errors such as thread breakage within complex sewing patterns is time-consuming due to the large number of stitches, making it difficult for operators to quickly locate and address issues.
Innovation Solution
A sewing error management system comprising a sewing machine and an external device that generates and displays an error image on a mobile terminal, showing the occurrence position of errors on the sewing pattern based on coordinates, allowing operators to easily verify and address errors remotely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If error information is displayed as text data showing the number of sewn stitches, then the operator can verify the stitch count, but it becomes difficult to quickly identify the error position in patterns with very large numbers of stitches
Solution Approach 1:
The patent creates a visual copy of the sewing pattern image and overlays error position markers directly on it. Instead of showing raw stitch count data, the system generates an error image that replicates the pattern's visual structure and annotates it with error information, allowing operators to instantly locate errors by viewing the annotated image rather than counting stitches.
Solution Approach 2:
The patent transforms one-dimensional stitch count data into a two-dimensional visual representation. By mapping error positions onto the pattern image coordinates, the system converts numerical data (stitch numbers) into spatial information (positions on the pattern image), enabling rapid visual identification of error locations.
2Manufacturing precision
If the sewing machine processes complex embroidery patterns with very large numbers of stitches, then the pattern detail and completeness are maintained, but the operator's ability to quickly locate errors deteriorates
Solution Approach 1:
The system creates a visual copy of the complete sewing pattern and overlays error markers on it. This allows the full pattern to be displayed while simultaneously providing clear error location indicators, maintaining pattern completeness while improving error location ease.
Solution Approach 2:
The patent uses visual markers (such as colored indicators or highlighted regions) on the pattern image to denote error positions. These visual cues stand out against the pattern background, enabling operators to quickly identify errors without losing sight of the overall pattern structure.
3Measurement precision
If the system displays detailed error information including stitch coordinates, then measurement accuracy is improved, but the display complexity and information overload increase
Solution Approach 1:
Instead of displaying raw coordinate data, the system copies the pattern's visual structure and embeds error information within it. The error markers are positioned according to the coordinate data, but the display shows a visual representation rather than numerical data, reducing complexity while preserving accuracy.
Solution Approach 2:
The patent separates error position information from the overall pattern display by using distinct visual markers. The pattern image and error indicators are segmented into different visual layers, allowing the pattern to be viewed as a whole while error positions are highlighted separately, reducing information overload.
Data Source
AI summary
A sewing error management device includes a display portion, a processor, and a memory. The memory is configured to store computer-readable instructions that, when executed by the processor, instruct the processor to acquire an error image obtained by drawing an occurrence position of an error on a sewing pattern. The acquiring the error image is based on coordinates representing a formation position of a sewing stitch being sewn at a time point when the error occurs in sewing of the sewing pattern formed by a plurality of sewing stitches. The acquiring the error image is also based on an image showing a shape of the sewing pattern. And the computer-readable instructions further instruct the processor to display the acquired error image on the display portion.