Inventory Management Server for Labor-Saving Stores

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Solution Overview

Problem

Existing inventory management systems fail to efficiently manage products with a short sell-by date in labor-saving stores where no employee is stationed, as they lack real-time monitoring and management capabilities.

Innovation Solution

An inventory management server system that generates expiration information based on stock quantities and sell-by dates, sets transmission timing based on employee movement time or distance, and notifies store terminals to facilitate timely product replacement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If automated inventory management is implemented in labor-saving stores, then productivity is improved, but device complexity increases

Engineering Contradiction:
Improveinventory management efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The inventory management system automatically monitors stock quantities, calculates movement requirements, and generates notifications without human intervention. The server performs self-service by autonomously managing the entire inventory tracking process from data collection to employee notification, eliminating the need for manual inventory checks while maintaining system simplicity through automated workflows

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system pre-calculates optimal movement quantities and timing based on sell-by dates and historical data before actual inventory issues arise. By performing preliminary actions such as predicting expiration risks and preparing notification schedules in advance, the system improves responsiveness without requiring complex real-time decision-making structures

Inventive Principle:
Principle #10Preliminary action

2Reliability

If real-time monitoring is implemented, then reliability of inventory management is improved, but use of energy increases

Engineering Contradiction:
Improveinventory monitoring accuracyVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The system implements periodic monitoring at strategically determined intervals rather than continuous monitoring. The server checks inventory status at intervals based on product characteristics, sell-by dates, and risk levels, reducing energy consumption while maintaining reliable detection of expiration risks through scheduled assessment cycles

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system replaces physical continuous monitoring mechanisms with electronic data processing and automated calculations. By substituting mechanical monitoring with server-based computational analysis of inventory data, the system achieves high reliability in tracking product freshness while consuming minimal energy through efficient algorithms rather than continuous physical sensing

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Loss of time

If timely notifications are sent to employees, then loss of time is reduced, but device complexity increases

Engineering Contradiction:
Improveproduct replacement timeVSAvoidnotification system complexity
Core Design Contradiction:
Loss of timeVSDevice complexity

Solution Approach 1:

The system establishes a feedback loop where inventory status changes automatically trigger calculated notifications to employees. The server continuously monitors stock levels and sell-by dates, provides feedback through timed notifications when intervention is needed, and adjusts future notifications based on response patterns and inventory turnover, reducing time loss through automated feedback mechanisms without requiring complex manual intervention systems

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system dynamically adjusts notification timing and content parameters based on product characteristics, remaining shelf life, and historical data. By changing parameters such as notification lead time, urgency levels, and target employee selection based on real-time inventory parameters, the system optimizes response time while keeping the notification logic manageable through parameter-based decision rules rather than complex algorithms

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS11907900B2Inventory management server, inventory management system, inventory management method, and recording medium
Publication Date: 2024.02.20 NEC CORP
  • US11907900B2 patent drawing
  • US11907900B2 patent drawing
  • US11907900B2 patent drawing

AI summary

An inventory management server according to one aspect of the present disclosure comprises: a memory; and at least one processor coupled to the memory, the at least one processor performing operations to: generate expiration information including information for specifying a product and information for specifying a branch store that sells the product based on a stock quantity of the product in the branch store in which an employee of a flagship store replaces a plurality of products and a sell-by date of the product; set a timing to transmit the expiration information to a store terminal based on at least either a movement time or a movement distance from a position of the employee to the branch store that sells the product, and the sell-by date related to the product; and notify the store terminal of the expiration information based on the set timing.