Autonomous Warehouse Guideway Layout for Decoupled Each-Picking
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Solution Overview
Problem
Existing labor-intensive methods for each-picking in retail supply chains have not been adequately automated, leading to inefficiencies in both store-replenishment and direct-to-consumer applications due to differing operational metrics.
Innovation Solution
A highly automated 'goods-to-man' process using autonomous robotic vehicles to transport product containers to workstations, decoupling pick and put transactions, and employing a modular tote system with robotic vehicles for efficient order fulfillment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If conventional labor-intensive each-picking methods are used, then operational flexibility is maintained, but automation level and productivity are low
Solution Approach 1:
The system is divided into distinct functional modules: autonomous mobile robots for transport, stationary robotic manipulators for picking, automated conveyors for movement, and centralized control systems. Each module operates semi-independently, allowing the system to achieve high automation while maintaining manageable complexity through modular architecture.
Solution Approach 2:
Automated conveyors and transfer mechanisms serve as intermediaries between mobile robots, stationary manipulators, and storage systems. These intermediary components coordinate the flow of goods and information, enabling high-level automation while abstracting the complexity of inter-component coordination from individual modules.
2Adaptability or versatility
If a single automated system design is used, then development cost is reduced, but adaptability to different operational metrics (store-replenishment vs. direct-to-consumer) deteriorates
Solution Approach 1:
The system employs dynamic configuration capabilities where robotic fleets, workstation arrangements, and control parameters can be adjusted based on operational mode. Mobile robots can be redeployed between different workstations, and system parameters are dynamically optimized for either store-replenishment or direct-to-consumer operations, enabling adaptability without requiring complete system redesign.
Solution Approach 2:
The automated system is designed with universal components that can serve multiple functions across different operational domains. The same robotic platforms, manipulators, and control systems can operate in both store-replenishment and direct-to-consumer modes by reconfiguring task parameters and workflow patterns, reducing development costs while maintaining adaptability.
3Productivity
If manual each-picking operations are used, then system complexity is low, but labor intensity and operational inefficiency increase
Solution Approach 1:
Autonomous mobile robots navigate and transport goods independently using onboard sensors and navigation systems. Stationary robotic manipulators autonomously perform picking operations based on received instructions. The system incorporates self-monitoring and self-correction capabilities, reducing the need for complex external control mechanisms while achieving high productivity.
Solution Approach 2:
Manual labor is replaced with automated robotic systems that perform transport and picking operations. The complexity of coordinating human workers is replaced with programmable control systems that can precisely manage multiple robots and workflows, ultimately reducing operational complexity despite the initial introduction of automated equipment.
Data Source
AI summary
An automated warehouse storage system including a multilevel storage array is provided. Each aisle has a set of storage levels and each level has storage locations distributed along the aisle. The guideway network extending through the multilevel storage array is configured for autonomous vehicles to move along the guideway network within the multilevel storage array. The guideway network including an inter-aisle guideway spanning at least two of the multiple aisles and a set of guideway levels extending in an aisle of the multiple aisles and disposed so that each guideway level is at a different one of the storage levels and the vehicles on the guideway level can access the storage locations distributed along the aisle. Each set of guideway levels is connected to the inter-aisle guideway forming a common guideway path so that a vehicle can move between inter-aisle guideway and each guideway level along the common guideway path.