Dynamic Carrying Area Adjustment for Load Balancing
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Solution Overview
Problem
The Stocker Schedule system in liquid crystal display production experiences imbalances in carrying loads among devices, leading to inefficiencies due to some devices being idle or overly busy, affecting production efficiency.
Innovation Solution
A material handling method and system that adjusts the carrying areas and priority levels of carrying devices based on their loads, using a handling controller to obtain and balance the carrying loads by adjusting the sizes of independent and sharing carrying sub-areas and prioritizing tasks to distribute workload evenly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the carrying area of each device is fixed, then the system structure is simple, but the carrying load balance deteriorates
Solution Approach 1:
The patent applies dynamics by making the carrying area of each device adjustable rather than fixed. The control system dynamically adjusts the carrying area of each carrying device based on real-time load information, allowing the system to adapt to changing production requirements and achieve better load balance while maintaining operational flexibility.
Solution Approach 2:
The patent changes the parameter of carrying area from a fixed value to a variable parameter. By adjusting the carrying area parameter based on device load status, the system optimizes resource allocation and achieves better load balance without requiring complex structural changes to the physical system.
2Productivity
If the carrying area is adjusted dynamically, then the carrying load balance improves, but the control complexity increases
Solution Approach 1:
The patent implements feedback by continuously monitoring the load status of each carrying device and using this information to adjust carrying areas. The control system receives real-time load data, processes it to determine optimal carrying area adjustments, and executes changes to achieve load balance, creating a closed-loop control system.
Solution Approach 2:
The system applies self-service by enabling the carrying devices to report their own load status to the control system, which then automatically adjusts carrying areas based on the reported information. This reduces the need for external intervention and manual configuration, allowing the system to self-optimize its resource allocation.
Data Source
AI summary
The disclosure provides a material handling method and system. The method includes: obtaining a carrying load of at least two carrying devices on a current production line in a present working period; adjusting a carrying area of at least two carrying devices according to the carrying load, and/or, adjusting the carrying priority level of the sharing carrying sub-area and the independent carrying sub-area of at least two carrying devices according to the carrying load. Each carrying area of one carrying device comprises a sharing carrying sub-area and an independent carrying sub-area.