Pressure-Sensing Shelf Mat for Continuous Product Identification
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Solution Overview
Problem
Conventional merchandise display shelving arrangements require manual inventorying processes, which are inefficient and do not ensure optimal stock and merchandising configurations.
Innovation Solution
A pressure-sensitive mat with a grid of pressure sensors and holes, coupled with a local processor and remote server, converts pressure values into images to identify products based on shape, dimensions, and weight, comparing them to a planogram for accurate inventory management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual inventorying is used, then personnel can inspect shelves, but the process is time-consuming and cannot occur continuously
Solution Approach 1:
The patent replaces manual visual inspection with an automated image capture system using cameras and pressure-sensitive mats. The system automatically captures images of products on shelves and processes them through computer vision algorithms, eliminating the need for manual personnel inspection and enabling continuous monitoring without time loss.
Solution Approach 2:
The system enables self-service inventory management where the shelf monitoring system automatically detects product presence, captures images, and updates inventory status without human intervention. The pressure-sensitive mats and image processing system work autonomously to maintain continuous inventory awareness.
2Measurement precision
If pressure sensors are placed closely to detect product shape, then detection precision improves, but the mat becomes less porous and product cooling is reduced
Solution Approach 1:
The patent applies different configurations of pressure sensors in different regions of the mat. Areas requiring high precision for product shape detection have closely spaced sensors, while other areas have more spacing to maintain porosity and cooling. This localized variation in sensor density optimizes both detection accuracy and thermal management.
Solution Approach 2:
The pressure-sensitive mat is designed with a porous structure containing holes that allow air circulation for product cooling. The mat maintains adequate porosity even in regions with higher sensor density, ensuring that product cooling is not compromised while still achieving sufficient detection precision.
3Reliability
If continuous monitoring is implemented, then inventory optimization is improved, but system complexity increases
Solution Approach 1:
The system is divided into modular components: pressure-sensitive mats for detection, image capture devices for recording, image processing systems for analysis, and inventory management software for decision-making. Each module performs a specific function, making the overall complex system manageable and maintainable while enabling continuous monitoring.
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
Automates inventory management, ensuring optimal stock levels and merchandising configurations by accurately identifying products and adjusting inventory based on planograms, reducing manual intervention.
Implementation Method 1
a pressure sensitive mat with a grid of a plurality of pressure sensors
Implementation Method 2
the holes configured to facilitate air flow through the pressure sensitive mat to facilitate proper cooling of products placed upon the pressure sensitive mat
Data Source
Figure 1~2
Figure 3~4D
Figure 5A~5C
AI summary
Technologies are described herein for converting the output of a pressure sensitive mat into an image and processing the image to identify the products present on the mat. An example system includes a processor configured to read pressure values from the plurality of pressure sensors on the pressure sensitive mat and generate an image with each pixel in the image encoding a value corresponding to a pressure value read from the pressure sensitive mat. A server may be configured to receive the image from the processor and process the image to identify one or more types of products that may be present on the pressure sensitive mat for each product package detected to be present on the pressure sensitive mat based on a combination of two or more of a shape of the product package, one or more dimensions of the product package, or a weight of the product package.