Machine Vision Zone Tracking for Distribution Item Flow

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Solution Overview

Problem

In distribution networks, manual monitoring of items in high-volume environments leads to inefficiencies and errors due to operator shift changes, dynamic schedules, and variable item requirements, resulting in wasted time and resources.

Innovation Solution

A machine vision system using sensors and AI to automatically identify and track items, monitor dwell times and occupancy, and summon automated guided vehicles to optimize item movement and space utilization within distribution facilities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual monitoring of items is used in distribution facilities, then operational flexibility and adaptability are maintained, but errors increase and productivity decreases due to operator shift changes and variable item requirements

Engineering Contradiction:
Improvemonitoring accuracyVSAvoidoperational efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent replaces manual mechanical monitoring operations with an automated machine vision system using sensors, processors, and algorithms to detect, track, and monitor items. This substitution eliminates human error associated with shift changes while maintaining continuous monitoring capability, thereby improving both reliability and productivity simultaneously.

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

2Productivity

If automated guided vehicles are summoned to retrieve items exceeding dwell time thresholds, then item flow optimization is achieved, but system complexity increases

Engineering Contradiction:
Improveitem flow efficiencyVSAvoidsystem automation level
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system implements self-service automation where the machine vision monitoring system automatically detects items exceeding dwell time thresholds and autonomously summons automated guided vehicles for retrieval. This self-service mechanism optimizes item flow without requiring additional manual intervention, balancing productivity improvement with acceptable system complexity.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system employs feedback loops where monitoring data on item dwell times is continuously analyzed, and when thresholds are exceeded, automatic actions are triggered to summon vehicles. This feedback-driven approach enables dynamic optimization of item flow while maintaining manageable system complexity through rule-based decision-making.

Inventive Principle:
Principle #23Feedback

3Productivity

If real-time monitoring of zone occupancy is implemented, then space utilization is optimized, but measurement and detection difficulty increases

Engineering Contradiction:
Improvespace utilizationVSAvoidoccupancy detection complexity
Core Design Contradiction:
ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The machine vision system performs multiple functions including item detection, tracking, dwell time calculation, and zone occupancy measurement using the same sensor array and processing platform. This multi-functionality enables real-time space utilization optimization without significantly increasing detection and measurement difficulty, as the system handles various monitoring tasks through unified algorithms.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20230368119A1Systems and methods for using machine vision in distribution facility operations and tracking distribution items
Publication Date: 2023.11.16 US POSTAL SERVICE
  • US20230368119A1 patent drawing
  • US20230368119A1 patent drawing
  • US20230368119A1 patent drawing

AI summary

This disclosure relates to systems and methods of using machine vision in a distribution network environment. In particular, this disclosure relates to systems and methods for automatically monitoring zones within a distribution facility with machine vision and generating notifications.