AR Fastening Unit Tracking Without RFID Tags
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Solution Overview
Problem
Existing mechanical fastening unit management systems require RFIC tags on bolts and data transmission between tools, increasing operation costs and complexity.
Innovation Solution
A mechanical fastening unit management method using augmented reality, where a virtual space is superimposed onto a real space, allowing a real tool to select a real fastening unit as a target without the need for RFIC tags or data transmission, using a camera and augmented reality server to create a one-to-one correspondence between real and virtual units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If RFIC tags are added to all bolts and data transmission capability is provided in fastening tools, then traceability and measurement precision of fastening operations are improved, but device complexity and operation cost increase
Solution Approach 1:
The patent creates a virtual copy of the fastening unit in an augmented reality space that corresponds one-to-one with the real fastening unit. This virtual model serves as a digital twin that can be tracked and managed without requiring physical tags or sensors on the actual bolts, thereby maintaining traceability while reducing system complexity
Solution Approach 2:
The patent introduces an augmented reality space as an intermediary layer between the real fastening unit and the management system. This virtual space acts as a mediator that enables tracking and management functions without requiring direct instrumentation of the physical fastening components
2Loss of information
If RFIC tags and data transmission equipment are provided, then fastening operation traceability is improved, but operation cost increases
Solution Approach 1:
Instead of using expensive physical RFIC tags and data transmission equipment, the patent creates a virtual copy in augmented reality space that provides the same traceability function at lower cost. The virtual fastening unit in AR space can be tracked and managed without requiring costly physical instrumentation
Solution Approach 2:
The patent replaces the mechanical/electronic system of RFIC tags and wireless transmission with an optical/image-based augmented reality system. This substitution eliminates the need for expensive electronic components while maintaining the ability to track and record fastening operations
Data Source
AI summary
In an operation management system in the related art, it is necessary to add an identification mark such as an RFID tag to each component to be managed and prepare a fastening tool having an antenna. In contrast, a mechanical fastening unit management method is provided using an augmented reality space generated by superimposing a virtual space on a real space. In the augmented reality space where a real fastening unit (RBn) and a virtual fastening unit (IBn) are in a one-to-one correspondence, information that the real fastening unit is selected as a fastening target is acquired with a camera or the like, and analyzed by an augmented reality server connected to the camera. Accordingly, it is possible to easily record that a predetermined operation is progressing as scheduled, and to provide a high quality mechanical fastening unit management method or system that is low in operation cost.