Rollable Sheet Display Anomaly Detection for Breakage Prevention
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Solution Overview
Problem
Flexible rollable sheet displays are prone to breakage accidents due to external factors like wind or obstacles, and existing breakage prevention technologies are insufficient for outdoor use.
Innovation Solution
An information display apparatus equipped with a mechanical mechanism for deploying and retracting the display, a motion sensor to detect anomalies, and a controller to calculate motion information and determine potential breakage, allowing for real-time anomaly detection and prevention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the display section is constantly deployed to provide display space, then the display functionality is maintained, but the risk of breakage from external factors (wind, obstacles, impact) increases
Solution Approach 1:
The display section transitions from a static deployed state to a dynamic retractable state. The mechanical mechanism enables the display to move between deployed and retracted positions, allowing it to adapt to environmental conditions and avoid damage from external factors while maintaining display functionality when needed.
Solution Approach 2:
The anomaly detection system performs preliminary detection of potential threats (wind, obstacles, impact) before actual breakage occurs. By detecting motion anomalies and calculating motion information in advance, the system can trigger preventive retraction or protective measures before damage happens.
2Reliability
If a motion sensor and anomaly detection system are added to detect breakage risks, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The system replaces complex mechanical breakage prevention mechanisms with a motion sensor-based detection system and control algorithm. Instead of using elaborate mechanical structures to prevent breakage, the invention uses electronic sensing and computational anomaly detection to identify risks and trigger appropriate responses.
Solution Approach 2:
The display system monitors its own motion state and automatically detects anomalies without external intervention. The motion sensor captures data, the controller calculates motion information, and the system autonomously determines anomalies and executes protective actions, making the system self-diagnostic and self-protecting.
3Reliability
If the display section is made more robust to resist external factors, then the reliability is improved, but the ease of deployment and retraction may be affected
Solution Approach 1:
Instead of changing the physical robustness parameters of the display section, the system changes the operational parameters by detecting motion characteristics and triggering protective actions. The display maintains its original mechanical properties for easy deployment while achieving reliability through intelligent motion-based anomaly detection and responsive control.
Data Source
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AI summary
[Abstract] The information display apparatus includes a sheet display section; a mechanical mechanism that moves the display section, and switches a state of the display section between a deployment state in which a display space is formed and a non-deployment state in which the display space is not formed; a motion sensor that detects a motion of the display section; and a controller that calculates, from data of the detection performed by the motion sensor, at least motion information other than a component related to the movement of the display section that is performed by the mechanical mechanism, and determines an anomaly.