Machine Tool Display Signal Recognition for Hardware-Free Monitoring
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Solution Overview
Problem
Current systems require dedicated hardware and complex programs to acquire machine information from machine tools, making it difficult to efficiently obtain and manage this information.
Innovation Solution
A recognition device that includes an image generator to acquire and process control signals from machine tool display devices, allowing for the generation of machine information without modifying the machine tool's program or adding dedicated hardware, and a collection device to gather this information from multiple tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If dedicated hardware and programs are installed in machine tools to acquire machine information, then information acquisition capability is improved, but device complexity and installation difficulty increase
Solution Approach 1:
The patent captures the display output (visual representation of machine information) from the machine tool's display device and processes this copy to extract machine information. This avoids installing dedicated hardware or programs in the machine tool itself, as the system reads and processes the visual display output instead, thereby reducing device complexity while maintaining information acquisition capability
Solution Approach 2:
The patent introduces an image processing system as an intermediary between the machine tool and the information acquisition system. The display device serves as a mediator that converts machine information into visual form, which can then be captured and processed without requiring direct access to the machine tool's internal systems, thus reducing complexity and installation requirements
2Reliability
If dedicated hardware is installed in machine tools to acquire machine information, then information acquisition reliability is improved, but ease of operation and installation deteriorate
Solution Approach 1:
By capturing and processing the display output as a copy of the original machine information, the system achieves reliable information acquisition without requiring complex hardware installation. The display device naturally provides a reliable visual representation of machine state, which can be captured and processed to extract accurate machine information without modifying the machine tool
Solution Approach 2:
The machine tool's existing display device serves the dual purpose of its original function and as an information output interface for the external system. The display device already generates the visual output needed for information extraction, so no additional hardware or program modifications are required in the machine tool, greatly simplifying installation and operation
Data Source
AI summary
A recognition device includes: an image generator configured to acquire a control signal for displaying an image on a display device of a machine tool, the control signal being output from a display control device of the machine tool, and generate an image to be displayed on the display device, based on the acquired control signal; and an information generator configured to recognize at least one of state and control content of the machine tool, contained in the image, and generate machine information.