Modular Container Handling for High-Density Warehouse Fulfillment
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Solution Overview
Problem
Conventional container handling systems for warehouses face inefficiencies due to the need for large corridor space, single-point-of-failure issues, and reduced utilization of components, especially in e-commerce environments with high item counts and perishable goods, leading to increased costs and operational challenges.
Innovation Solution
A system comprising distinct and independently operating mobile inventory carriers, autonomous mobile robotic units, and mini load systems, allowing for flexible and simultaneous operation of components, including the use of a gripping mechanism and gantry-type mini load systems for efficient container handling and reduced space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional robotic systems use large corridors for container access, then container fetching is enabled, but warehouse storage area is reduced
Solution Approach 1:
The system divides the warehouse into discrete storage locations arranged in a grid pattern, with each location independently accessible. This segmentation allows robots to access containers at any location without requiring wide corridors, as the modular layout enables efficient path planning through narrow aisles between storage racks.
Solution Approach 2:
The system transitions from traditional linear corridor-based access to a three-dimensional grid-based storage architecture. Containers are stored on multiple levels and accessed via vertical and horizontal movement, allowing robots to navigate through compact three-dimensional space rather than requiring large two-dimensional corridor areas.
2Extent of automation
If autonomous mobile robot and container handling system are firmly bonded on the same platform, then integrated operation is achieved, but utilization time of each part is limited and single-point-of-failure risk increases
Solution Approach 1:
The system separates the autonomous mobile robot platform from the container handling system into independent modular units. Each robot can operate autonomously with its own container manipulator, and multiple robots can work in parallel. This segmentation eliminates single-point-of-failure risks, as the failure of one robot or handling system does not affect others, while maintaining full automation capability.
3Productivity
If robotic machines are used for item picking in e-commerce, then order fulfillment is enabled, but picking and packing costs increase
Solution Approach 1:
The system enables robots to autonomously perform container fetching, transportation, and positioning without human intervention. The autonomous mobile robots navigate independently, identify target containers using sensors and vision systems, and execute picking operations autonomously. This self-service capability eliminates the need for human pickers for routine operations, reducing labor costs while maintaining high order fulfillment productivity.
Data Source
AI summary
System for handling containers and a method for supplying inventory items to a fulfilment station in a warehouse or in any other location where fulfilment of orders or delivery of orders, for example grocery orders, is taking place. The system includes at least one mobile inventory carrier for storing containers, a mini load system including a gripping mechanism for picking up or releasing a container from the mobile inventory carrier and autonomous mobile robotic units, wherein the mini load system, the mobile inventory carrier and the autonomous mobile robotic unit(s) are distinct units and operate independently from each other.