Aircraft Manufacturing Control System with Dynamic Plan Adjustment
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Solution Overview
Problem
Current project management systems are inadequate for managing the complex manufacturing of aircraft, failing to effectively visualize and synchronize the numerous tasks, dependencies, and changes involved in the process, leading to inefficiencies and delays.
Innovation Solution
A dynamic product management system that includes a product plan with time units, entities, and work items, along with a product manager that controls and updates the manufacturing process, displaying a workflow map and adjusting the plan based on performance information to ensure timely completion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If current project management systems are used to manage aircraft manufacturing, then the basic scheduling function is provided, but the system cannot effectively visualize and synchronize numerous tasks, dependencies, and changes, leading to inefficiencies and delays
Solution Approach 1:
The manufacturing plan is segmented into multiple hierarchical levels including global plan, phase plans, and sub-phase plans. Each level breaks down complex manufacturing activities into manageable work items that can be individually tracked and synchronized, resolving the contradiction by making the complex system visually manageable while maintaining comprehensive control
Solution Approach 2:
The system adds a visual dimension to project management by displaying work items, dependencies, and progress on graphical timelines and Gantt charts. This visual representation layer allows users to comprehend and synchronize complex manufacturing tasks without increasing underlying system complexity
2Reliability
If the manufacturing plan is updated to reflect changes and performance information, then synchronization and efficiency are improved, but the time and effort required to update the plan increases
Solution Approach 1:
The system implements automated feedback mechanisms where performance information from completed work items automatically updates the manufacturing plan. When work items are completed or status changes are reported, the system automatically recalculates schedules, identifies impacted dependencies, and updates subsequent work items, eliminating manual plan updates while maintaining high synchronization accuracy
Solution Approach 2:
The system pre-establishes dependency relationships and critical path connections between work items before manufacturing begins. This preliminary configuration allows the system to quickly propagate changes through the plan when updates are needed, rather than manually analyzing dependencies during plan updates, significantly reducing update time while maintaining reliability
3Reliability
If more detailed tracking and visualization of work items and dependencies are implemented, then synchronization is improved, but the complexity of the management system increases
Solution Approach 1:
The system employs a unified manufacturing plan data structure that serves multiple functions: it stores task definitions, dependency relationships, scheduling information, progress tracking, and visualization data. This universal plan structure enables detailed tracking and synchronization without requiring separate complex systems for each function, maintaining reliability while managing system complexity
Data Source
AI summary
A method and apparatus for manufacturing a product. The method comprises creating a product plan comprising time units during which manufacturing of the product occurs, wherein the time units are grouped into phases of the manufacturing. Further, the product plan also includes entities performing work on systems for the product and work items performed by the entities during the manufacturing days. The manufacturing of the product is controlled using the product plan.