Image-Based Tool Inventory Control to Replace Sensor Arrays
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Solution Overview
Problem
Conventional inventory control systems for tools, especially in aerospace industries, face challenges such as the need for manual sensor placement and maintenance, high costs, and errors due to sensor malfunctions, which can lead to false alarms and inefficiencies in tracking and accounting for tool usage and storage.
Innovation Solution
An image-based inventory control system that uses an image sensing device to capture and process images of storage locations, allowing for automated tool training, foam layout creation, and database updates, reducing the time and effort required for tool identification and storage management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If sensors are disposed in numerous storage locations to detect tool presence, then inventory tracking capability is improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent replaces the mechanical sensor-based detection system with an image-based detection system. Instead of using numerous physical sensors in each storage location, the system uses an image sensor (camera) to capture images of the storage container and processes these images to determine tool presence and identity. This substitution dramatically reduces the number of physical components while maintaining or improving detection capability.
Solution Approach 2:
The system creates a visual copy (image) of the storage container and its contents, then processes this copy to extract inventory information. Rather than directly interacting with physical tools through sensors, the system captures optical information and processes it through image recognition algorithms, effectively using a visual replica to determine inventory status.
2Reliability
If manual inventory checks are performed to prevent tool misplacement or theft, then tool security is improved, but loss of time and productivity decrease
Solution Approach 1:
The system enables automated self-monitoring of inventory status. The image sensor continuously or periodically captures images of the storage container, and the processing system automatically analyzes these images to detect tool presence, absence, or misplacement. This eliminates the need for manual inventory checks while maintaining security, as the system performs the monitoring function autonomously without human intervention.
Solution Approach 2:
The automated image-based system enables continuous or frequent monitoring of tool inventory status, whereas manual checks can only be performed periodically. The system can capture and process images at any time, providing ongoing security and inventory tracking without interrupting work operations, thus maintaining reliability while minimizing time loss.
3Reliability
If random audits of employee toolboxes are conducted to prevent theft, then tool security is improved, but loss of time and operational disruption increase
Solution Approach 1:
The automated system continuously monitors tool inventory status without requiring human auditors to physically inspect toolboxes. The image sensor and processing system perform the audit function autonomously, detecting tool presence and identity automatically. This eliminates operational disruption caused by manual audits while maintaining theft prevention capabilities through continuous automated surveillance.
4Productivity
If image-based inventory control is implemented to automate tool tracking, then productivity is improved, but device complexity increases due to image processing requirements
Solution Approach 1:
The patent replaces complex mechanical sensor arrays with a simpler image-based system. Instead of requiring multiple physical sensors in each storage location, the system uses a single or few image sensors to capture visual information, which is then processed through software algorithms. This substitution reduces hardware complexity while achieving the same or better functionality through optical detection and digital processing.
Data Source
AI summary
An inventory control system and method determines an inventory condition of objects stored in the system. Embodiments include a storage container including a plurality of storage locations for storing objects; an image sensing device to capture image data of the container, including image data of the plurality of storage locations and a target area that includes an individual object storage location having less than the plurality of storage locations; a data storage device for storing the image data of the container; and a data processor. The processor receives initial image data representing an initial image of the plurality of storage locations, and image data representing an image of the target area captured subsequent to the initial image; modifies the initial image data based on the image data of the target area to generate adjusted image data; and stores the adjusted image data in the data storage device.