Dynamic Lane Routing for Sorting Machine Throughput
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing sorting machines in warehouses and distribution centers face inefficiencies due to large footprints and suboptimal capacity utilization, as items recirculate waiting for lanes to become available, leading to clogged systems and decreased throughput.
Innovation Solution
A dynamic sorting system that uses a conveying system with a controller to identify and assign items to non-full lanes based on destination, dynamically opening and closing lanes to match demand, allowing for near-infinite potential destinations with a finite number of lanes and minimizing recirculation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a large number of lanes are provided to handle multiple destinations simultaneously, then the sorting capacity and throughput are improved, but the footprint area and device complexity increase significantly
Solution Approach 1:
The patent implements dynamic lane assignment where lanes are not permanently dedicated to specific destinations but are temporarily assigned based on real-time demand. The controller dynamically opens or closes lanes and reassigns them to different destinations as needed, allowing the system to handle multiple destinations with fewer physical lanes, thereby reducing footprint while maintaining high throughput
Solution Approach 2:
Each lane in the sorting system is designed to be multi-functional, capable of serving multiple destinations at different times. Instead of having dedicated lanes for each destination, any lane can be assigned to any destination through the dynamic control system, maximizing the utilization of each lane and reducing the total number of lanes required
2Productivity
If items are held in recirculation to wait for lane availability, then lane utilization is improved, but the loss of time and productivity decrease due to clogged systems
Solution Approach 1:
The system incorporates real-time monitoring and feedback mechanisms where the controller continuously tracks lane status, item flow, and destination demand. This feedback enables the controller to proactively assign items to lanes before they become full, dynamically adjust lane assignments based on current load conditions, and prevent recirculation bottlenecks by balancing the distribution of items across available lanes
Solution Approach 2:
The controller performs preliminary lane assignment and capacity management before lanes become full. By anticipating lane capacity limits and proactively routing items to appropriate lanes in advance, the system prevents situations where items must recirculate waiting for space, thereby reducing waiting time while maintaining high lane utilization
3Reliability
If dedicated lanes are assigned to each destination, then the reliability of destination routing is improved, but the adaptability to varying demand levels deteriorates
Solution Approach 1:
The system transitions from static dedicated lane assignments to dynamic lane allocation. The controller continuously monitors destination demand and reassigns lanes in real-time, ensuring that lanes are allocated to destinations based on current needs rather than fixed assignments. This maintains routing reliability through controlled reassignment while providing flexibility to adapt to varying demand patterns
Solution Approach 2:
The system changes the operational parameters of lane assignments based on demand conditions. Instead of fixed destination-lane mappings, the controller adjusts lane assignments as a variable parameter that responds to changing demand levels, allowing the same physical lane to serve different destinations at different times while maintaining accurate routing through controlled parameter changes
Data Source
AI summary
A sorter including a conveying system to transport items to be sorted. A plurality of lanes are configured to accept the items from the conveying system. A scanner reads information about the items to be sorted. The information including a destination for the item. A controller is in communication with the scanner to receive the destination for the items being sorted and is adapted to open and close selected ones of the plurality of lanes to receive items.