Dynamic Production Gang Scheduling for Manufacturing Flexibility
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Solution Overview
Problem
Existing manufacturing systems face inefficiencies and delays due to the need for advance gang scheduling, which can lead to wasted materials, increased shipping costs, and customer dissatisfaction, especially when circumstances change or high-priority orders are received after gang creation.
Innovation Solution
Implementing an automated system that allows for the creation of production gangs closer to the production time, using a 'ganger' program to manage and schedule gangs dynamically based on real-time information, enabling flexibility and adaptability to handle changes and high-priority orders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If gangs are created well in advance of production, then production planning is simplified and stable, but adaptability to changes and high-priority orders deteriorates
Solution Approach 1:
The system dynamically adjusts gang creation timing based on priority levels. High-priority jobs trigger immediate gang creation regardless of scheduled times, while standard jobs follow the scheduled timeline. This dynamic approach allows the system to maintain stability for routine operations while adapting to urgent changes.
Solution Approach 2:
The system performs preliminary gang creation for standard-priority jobs at scheduled intervals, but reserves the capability to create gangs immediately when high-priority jobs are received. This preliminary action for routine jobs maintains schedule stability while leaving room for urgent adaptations.
2Ease of manufacture
If gangs are created well in advance of production, then production scheduling is easier, but material waste increases due to modifications or cancellations
Solution Approach 1:
The system dynamically determines gang creation timing based on job priority. Standard-priority jobs use scheduled gang creation for ease of planning, while high-priority jobs trigger immediate gang creation to prevent material waste from delays or cancellations.
Solution Approach 2:
The system changes the timing parameter of gang creation based on job priority. For standard jobs, gangs are created at scheduled intervals; for high-priority jobs, the creation time parameter is changed to immediate execution, thereby reducing material waste while maintaining scheduling efficiency for routine operations.
3Device complexity
If gangs are created well in advance of production, then production preparation is simplified, but shipping costs increase due to delays
Solution Approach 1:
The system dynamically adjusts gang creation timing based on delivery urgency. For jobs with flexible delivery dates, scheduled gang creation simplifies preparation. For jobs with tight deadlines, immediate gang creation is triggered to minimize delays and avoid expensive expedited shipping.
Solution Approach 2:
The system changes the timing parameter of gang creation based on delivery requirements. Standard jobs use scheduled creation to simplify preparation, while urgent jobs trigger immediate creation to reduce lead time and avoid expedited shipping costs, thereby optimizing the balance between preparation complexity and shipping expenses.
4Stability of the object's composition
If gangs are created well in advance of production, then production planning is more stable, but productivity decreases due to day delays
Solution Approach 1:
The system dynamically adjusts gang creation timing based on priority levels. Standard-priority jobs follow scheduled creation times to maintain plan stability, while high-priority jobs trigger immediate gang creation to eliminate day delays and maximize production throughput for urgent orders.
Data Source
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AI summary
System and method for automated scheduling and creation of gangs of individual jobs for production. Individual jobs and related production parameters and order information are retained electronically in a database of pending jobs awaiting production. Based on production capacity at the production facility and the production parameters of the individual pending jobs in the database, a plurality of gang shells having defined production parameters, but not having specific individual jobs associated therewith, are defined and used for scheduling equipment and personnel at the production facility during a work shift or other desired period of time. The specific individual jobs for a gang are selected from the database relatively shortly prior to the gang's scheduled production time.