Pneumatics System RFID Diagnostics with Irreversible Tag Locking
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Solution Overview
Problem
Existing processing systems face challenges in reliably identifying and preventing the improper use of consumables due to deviations in stored information and tampering with RFID tags, leading to system malfunctions and inefficiencies.
Innovation Solution
A processing system with an RFID tag that stores consumables status information, allowing for reading, writing, and irreversible modification to ensure accurate filling-status detection, and prohibiting further use if conditions are met, thereby preventing misuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If RFID tags are used to store consumables information, then identification speed and automation are improved, but reliability deteriorates due to information deviation and tag tampering
Solution Approach 1:
The system performs preliminary verification of RFID tag information against physical consumables status before processing. The verification unit checks whether the RFID-stored information matches the actual consumables arrangement and filling state, preventing use of containers with deviated information. This preliminary check ensures automation benefits are not compromised by data accuracy issues.
Solution Approach 2:
The system implements a feedback mechanism where the verification unit continuously monitors and compares RFID-stored information with actual consumables status. When deviations are detected, the system provides feedback to prevent further processing of affected containers. This closed-loop feedback ensures reliability is maintained throughout the automated processing workflow.
2Reliability
If system interconnection is implemented to monitor transferred containers, then reliability of consumables tracking is improved, but device complexity increases
Solution Approach 1:
The patent extracts the verification function into a separate, standalone verification unit that operates independently within each processing system. Rather than requiring complex interconnections between systems, each system performs self-contained verification of RFID information against physical consumables status. This extraction simplifies the overall architecture while maintaining reliability.
Solution Approach 2:
Each processing system performs self-verification of consumables information using its own verification unit, without requiring external systems to validate data. The system serves itself by comparing RFID-stored information with actual consumables state, eliminating the need for complex inter-system connections while ensuring tracking reliability.
3Ease of operation
If manual information entry is used for containers, then ease of operation is improved, but productivity decreases due to time-consuming processes
Solution Approach 1:
The system replaces manual mechanical information entry with automated RFID reading. The RFID reading unit automatically captures container and consumables information from RFID tags, eliminating the need for manual data input. This substitution maintains ease of operation while dramatically improving processing speed and productivity.
Solution Approach 2:
The system uses RFID tags as digital copies of consumables information, storing data about container identity, consumables arrangement, and filling state. Instead of manual entry, the system reads these pre-existing digital copies automatically, maintaining operational simplicity while enabling high-speed processing comparable to physical copy reproduction rates.
Data Source
AI summary
A processing system for processing consumables, comprising: a container in which the consumables are arranged, the container comprising an RFID tag with at least one RFID tag storage section for storing consumables status information indicative of a filling-status of the consumables arranged in the container; an RFID reading unit configured to read information from the RFID tag; an RFID writing unit configured to write information on the RFID tag; and a removing unit configured to remove a part of the consumables from the container; wherein the processing system is configured to: read, by means of the RFID reading unit, the consumables status information from the at least one RFID tag storage section, remove, by means of the removing unit, a part of the consumables from the container, determine, based on the consumables status information read by the RFID reading unit, whether a predetermined prohibition condition is met after the removal of the part of the consumables from the container by the removing unit, and in case the prohibition condition is not met, update, by means of the RFID writing unit, the consumables status information on the RFID tag, and in case the prohibition condition is met, irreversibly modify the RFID tag such that the processing system is able to identify from the RFID tag that the prohibition condition is met.