Production Plan Revision Using Retention Conditions for New Tasks
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Solution Overview
Problem
Existing production plan modification methods are inefficient when adding tasks, as they often require significant man-hours and disrupt ongoing preparations, especially in complex schedules, and fail to retain user-desired items during modifications.
Innovation Solution
A production plan creation device with a processor that receives modification requests, including retention conditions, to modify existing plans by adding new tasks while prioritizing retained tasks and resources, ensuring minimal disruption and adherence to user preferences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the existing plan is modified by adding a new task, then the production schedule can accommodate new requirements, but the complexity of plan modification increases and may disrupt ongoing preparations
Solution Approach 1:
The plan modification process is segmented into distinct phases: identifying retention conditions, evaluating modification impacts, and generating revised plans. This segmentation allows the system to handle complex modifications systematically by breaking them down into manageable evaluation steps, reducing overall complexity while maintaining flexibility.
Solution Approach 2:
The system performs preliminary evaluation of retention conditions before finalizing plan modifications. By预先 identifying which tasks and resource allocations should be retained, the system prepares the modification process in advance, preventing disruptions to ongoing preparations while accommodating new tasks.
2Adaptability or versatility
If the existing plan is modified significantly to accommodate new tasks, then the new requirements are met, but the man-hours required for modification increase enormously
Solution Approach 1:
The system creates a revised plan by copying and adapting the existing plan structure rather than creating a completely new schedule. It identifies retention conditions and copies relevant task sequences and resource allocations from the original plan, significantly reducing the time required for modification while still accommodating new tasks.
Solution Approach 2:
The system applies partial modification by selectively changing only the portions of the plan that are necessary to accommodate new tasks, while retaining the majority of the original plan structure. This partial action approach minimizes modification time by avoiding unnecessary changes to the entire schedule.
3Productivity
If the existing plan is modified without considering retention conditions, then modification speed increases, but user-desired items may be lost or disrupted
Solution Approach 1:
The system incorporates feedback mechanisms by evaluating retention conditions during the plan modification process. It continuously checks whether proposed modifications conflict with user-desired retention conditions and adjusts the revised plan accordingly, ensuring both efficiency and reliability are maintained through iterative evaluation.
Solution Approach 2:
The system performs preliminary identification of retention conditions before executing modifications. By预先 determining which tasks and allocations must be retained, the system ensures these items are protected during the modification process, maintaining reliability while still achieving efficient plan updates.
Data Source
AI summary
A production plan creation device includes a processor configured to receive, in a case of receiving a modification request to add a new task to an existing plan including plural tasks performed to produce a product using resources, a retention condition for retaining the plan for a task included in the existing plan, and modify the existing plan into a plan in which the plural tasks and the new task are performed using the resources while accounting for the retention condition and content of the new task.