Autonomous Container Transfer for Flexible Assembly Material Supply
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Solution Overview
Problem
Conventional assembly facilities face inefficiencies in material logistics, including complex and costly conveying systems, inflexible facility layouts, and bottlenecks in supplying components and materials, leading to increased downtime and production delays when adapting to changes in product models.
Innovation Solution
A logistical handling system featuring a marketplace component storage area aligned with an assembly area, utilizing autonomous transfer vehicles that move along a dedicated material aisle to engage and transfer full or empty component containers between storage and assembly areas, enabling efficient and flexible supply of components and materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional conveying systems are used to transport components between discrete assembly areas, then material supply is achieved, but system complexity and cost increase significantly
Solution Approach 1:
The patent extracts the conveying function from a complex centralized system and assigns it to simple autonomous transfer vehicles that individually transport component containers between storage and assembly areas, eliminating the need for complex overhead conveyors and reducing system complexity while maintaining material supply efficiency
Solution Approach 2:
Autonomous transfer vehicles independently navigate and deliver components without requiring complex centralized control systems or manual intervention, enabling the system to self-manage material logistics and reducing operational complexity
2Ease of manufacture
If discrete assembly areas are positioned in distant locations to specialize in specific operations, then assembly process organization is improved, but material logistics time and cost increase
Solution Approach 1:
The patent transforms the static facility layout into a dynamic system where autonomous transfer vehicles can flexibly and quickly transport components between assembly areas, allowing specialized assembly areas to maintain their organizational benefits while eliminating the time penalty of distant locations through rapid autonomous delivery
3Productivity
If conventional material logistics systems are used to supply components to assembly lines, then component delivery is achieved, but bottlenecks and duplicative movements cause production delays
Solution Approach 1:
The patent segments the centralized material supply function into multiple independent autonomous transfer vehicles, each capable of independently delivering components to different assembly lines simultaneously, eliminating bottlenecks and duplicative movements by distributing the supply workload across multiple autonomous units
4Productivity
If facility layout is fixed to support specific product models, then assembly efficiency for current products is maximized, but adaptability to product changes decreases
Solution Approach 1:
The patent introduces dynamic autonomy to the transfer vehicles, enabling them to adapt their routes, delivery sequences, and operational parameters in real-time based on changing product requirements, allowing the facility layout to maintain optimized assembly efficiency while becoming highly adaptable to different product models through software-controlled vehicle behavior
Data Source
AI summary
An assembly material logistics system and methods includes a marketplace component storage area and an assembly area each including an aligned rack aisle for the selected positioning of predetermined full containers and empty containers depleted of components. A plurality of transfer vehicles movable along a material aisle positioned directly adjacent to the rack aisle reciprocally move between the component storage and assembly areas to retrieve and deposit full and empty component storage containers to support assembly of at least one product in the assembly area. In one example, the component storage area includes a large component storage area, small component storage area and a consumable materials storage area. In an alternate example, the transfer vehicles include a first support and a second support to simultaneously support and transfer both a full component container and an empty component container leading to greater efficiency of material logistics.