Vehicle Load Chamber Tag Reader Orientation Control
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Solution Overview
Problem
Existing readers sometimes fail to accurately read information from wireless IC tags attached to loads if the tags are not properly oriented within the load chamber of a vehicle.
Innovation Solution
A reading system and method that includes a controller and a reader mounted on a vehicle, where the reader determines if the load chamber door is closed and acquires tag information only when closed, and the controller displaces the load chamber to improve tag orientation and reading accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the reader attempts to read tag information without ensuring proper tag orientation, then reading operations can be performed more quickly, but reading accuracy decreases and failures occur
Solution Approach 1:
The system performs preliminary actions by detecting tag orientation before attempting to read tag information. The reader determines whether the tag is properly oriented in the reading direction, and only proceeds with reading when orientation is correct. This preliminary check prevents reading failures and ensures high reading accuracy while maintaining efficient operation.
2Productivity
If the reader reads tag information without verifying door closure status, then reading operations can be performed continuously, but interference from external signals increases and reading accuracy decreases
Solution Approach 1:
The system applies preliminary anti-action by detecting door closure status before performing reading operations. The reader determines whether the door of the load chamber is closed, and only reads tag information when the door is closed. This prevents external signal interference from affecting reading accuracy and ensures reliable reading operations.
3Measurement precision
If the system adds orientation detection and door status verification before reading operations, then reading accuracy improves, but system complexity increases
Solution Approach 1:
The system achieves multi-functionality by integrating multiple detection capabilities into the reader device. The reader performs both orientation detection and door status verification in addition to tag information reading. This universal approach consolidates multiple functions into a single device, improving reading accuracy while minimizing the increase in overall system complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system significantly improves the accuracy of reading information from tags by ensuring proper orientation and reducing interference, thereby ensuring that only tags within the load chamber are read.
Implementation Method 1
a tag information acquisition part that acquires identification information stored in the tag through non-contact communication
Data Source
AI summary
A reading system includes a controller that is mounted on a vehicle, and a reader that reads a tag of a load placed in a load chamber of the vehicle, wherein the controller includes a second determination part that determines whether the door of the load chamber is closed, and a displacement control part that displaces the load chamber in accordance with a timing when the tag information acquisition part acquires the identification information if the second determination part determines that the door of the load chamber is closed, wherein the reader includes a first determination part that determines whether a door of the load chamber is closed, and a tag information acquisition part that acquires identification information stored in the tag through non-contact communication if the first determination part determines that the door of the load chamber is closed.