Electronic Stow Component Bin Eligibility Logic

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Solution Overview

Problem

In materials handling facilities, the manner of stowing items can lead to operational inefficiencies and errors during the picking process due to items being placed in inaccessible or incorrectly labeled locations, resulting in increased order fulfillment times and accuracy issues.

Innovation Solution

A system and method utilizing an electronic stow component and control system to determine whether a bin is eligible to store a particular item by evaluating nearby bins for similar or identical items, preventing the stowage of similar items in close proximity to prevent picking errors, and directing items to specific bins through conveyance systems or agent instructions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If items are stowed in any available bin location, then storage space utilization is improved, but picking accuracy deteriorates due to similar items being placed near each other

Engineering Contradiction:
Improvestorage space utilizationVSAvoidpicking accuracy
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The system applies different stowage rules to different bin locations based on their proximity relationships. Bins are evaluated individually to determine if they are 'close' to bins containing similar items, creating localized quality control in the stowage process rather than applying a uniform rule across all bins.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system performs preliminary evaluation of bin eligibility before stowage occurs. By checking whether a bin is close to bins with similar items in advance and preventing stowage in such bins, the system proactively avoids picking errors rather than detecting and correcting them after they occur.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If items are stowed in easily accessible locations, then order fulfillment speed is improved, but stowage complexity increases due to need for precise location management

Engineering Contradiction:
Improveorder fulfillment speedVSAvoidstowage management complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system enables agents to use any bin location without manual assignment or complex routing instructions. The stowage management system automatically evaluates bin eligibility and guides agents to appropriate bins, making the system self-managing rather than requiring external control for each stowage decision.

Inventive Principle:
Principle #25Self-service

3Quantity of substance

If similar items are stowed in close bins, then storage efficiency is improved, but picking errors increase due to item confusion

Engineering Contradiction:
Improvestorage efficiencyVSAvoidpicking precision
Core Design Contradiction:
Quantity of substanceVSManufacturing precision

Solution Approach 1:

The system applies different stowage rules to different bin locations based on their proximity relationships. Bins are evaluated individually to determine if they are 'close' to bins containing similar items, creating localized quality control in the stowage process rather than applying a uniform rule across all bins.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system performs preliminary evaluation of bin eligibility before stowage occurs. By checking whether a bin is close to bins with similar items in advance and preventing stowage in such bins, the system proactively avoids picking errors rather than detecting and correcting them after they occur.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS8341040B1System and method for stow management of similar items
Publication Date: 2012.12.25 AMAZON TECH INC
  • US8341040B1 patent drawing
  • US8341040B1 patent drawing
  • US8341040B1 patent drawing

AI summary

Various embodiments of a system and method for stow management of similar items are described. Various embodiments may include a control system and/or an electronic stow component configured to determine whether a bin is eligible to stow a unit of a particular item. For instance, an agent tasked with stowing items as inventory in a materials handling facility may use such electronic stow component and/or the control system to determine whether a bin is eligible to stow a unit of a particular item. For instance, the electronic stow component may identify a bin to evaluate, identify a unit of a particular item, and determine whether the bin is eligible to store the unit of the particular item according to various methods and techniques for preventing the stowage of like items in nearby bins.