Warehouse Zoning Layout for Localized Downtime Control
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Solution Overview
Problem
In traditional warehouse architectures with single open workspace floor plans, human operators face safety concerns when traversing active areas of automated mobile drive units, leading to potential shutdowns and decreased throughput due to mishaps and maintenance needs.
Innovation Solution
A customizable warehouse architecture is partitioned into zones based on area, inventory holders, and traffic patterns, with a server determining event criticality and initiating operations to minimize downtime by controlling vehicle and personnel movements across zones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a single open workspace floorplan is used to implement different warehouse functions, then device complexity is reduced and ease of operation is improved, but safety risks increase and productivity decreases due to potential shutdowns from mishaps
Solution Approach 1:
The workspace is divided into multiple independent zones, each capable of operating autonomously. When an event occurs in one zone, only that zone is affected while others continue normal operations, preventing complete shutdown and maintaining productivity.
2Ease of repair
If human operators traverse active workspace areas for maintenance and cleanup, then ease of repair is improved, but safety risks increase due to interaction with automated mobile drive units
Solution Approach 1:
Maintenance and operational zones are segmented from active automated zones. Human operators can access specific zones for repair without traversing the entire active workspace, reducing exposure to moving automated units while maintaining ease of repair.
Solution Approach 2:
The system introduces an event monitoring and criticality determination system that acts as an intermediary between human operators and automated units. This system coordinates access and operations to ensure safety while maintaining operational efficiency.
3Object-affected harmful factors
If workspace operations are shut down completely when mishaps occur, then safety is improved by preventing accidents, but productivity decreases due to loss of time
Solution Approach 1:
The workspace is segmented into independent zones with isolated event effects. When a mishap occurs in one zone, only that zone shuts down while others continue operating, minimizing loss of time while maintaining safety through localized containment.
Solution Approach 2:
The system dynamically determines the degree of criticality for each event and adjusts the response accordingly. Not all events require complete shutdowns; the system adapts the operational response based on real-time assessment, reducing unnecessary downtime while maintaining safety.
4Productivity
If automated mobile drive units operate in an active workspace, then productivity is improved through increased speed and throughput, but safety risks increase for human operators who must traverse the workspace
Solution Approach 1:
The workspace is divided into zones where automated units operate in designated areas while human operators are restricted to specific zones. This spatial segmentation allows both productivity and safety to be maintained by preventing unnecessary interactions between humans and automated units.
Solution Approach 2:
The event monitoring system and zone management system act as intermediaries that coordinate between automated units and human operators. This intermediary layer enables safe coexistence by managing traffic patterns, access permissions, and operational timing.
Data Source
AI summary
Described herein is an apparatus and a corresponding method for performing warehouse zoning and further monitoring the zoned warehouse. The apparatus includes circuitry that partitions a workspace into a plurality of zones based on an area of the workspace, and a number of transportation vehicles and a number of item racks that are to be deployed in the workspace. A location of each zone within the workspace is determined based on a location of a first type of station that is disposed outside the workspace. The apparatus determines for each zone, an area of the zone and receives a signal indicating occurrence of an event in one of the zones. Further, the apparatus determines a degree of criticality of the occurred event which indicates whether workspace operation in the zone can be continued, and initiates an operation at a timing that is based on the determined degree of criticality.