Feeder Management Device Slot Overlap Control
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Solution Overview
Problem
In component mounting systems, feeders are not always preserved in the order of their usage due to delays, leading to inefficient serving work with wasteful detachment of lower-priority feeders to accommodate higher-priority ones.
Innovation Solution
A management device that determines whether the serving slot of a target feeder overlaps with the slot of a preceding job's feeder, and if not, pre-serves the target feeder in that slot, while if it does overlap, waits until the preceding job is completed to serve the target feeder, thereby avoiding unnecessary detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If feeders are pre-served in empty mounting target attachment sections in order, then all feeders can be prepared in advance, but feeders may not be pre-served in the correct usage order due to delays, causing wasteful detachment work
Solution Approach 1:
The management control section performs preliminary planning to determine the optimal pre-serving strategy. It checks whether predetermined slots of the target feeder and preceding feeder overlap, and based on this check, decides whether to pre-serve the target feeder in its predetermined slot or in an empty slot, thereby avoiding future detachment work
Solution Approach 2:
The system dynamically adjusts the pre-serving strategy based on real-time conditions. When slot overlap is detected, the system changes from pre-serving in the predetermined slot to pre-serving in an empty slot or waiting until the preceding job completes, making the serving process adaptive rather than static
2Productivity
If a feeder with lower priority is pre-served in a slot before a higher priority feeder is needed, then the lower priority feeder occupies the slot, but the higher priority feeder cannot be served efficiently
Solution Approach 1:
The management control section uses feedback from the job schedule and slot allocation information to make intelligent decisions. It checks the relationship between target feeder and preceding feeder slot allocations, and adjusts the pre-serving plan accordingly to prioritize higher priority feeders while maintaining overall system efficiency
Solution Approach 2:
The system changes the serving parameters dynamically - when slot overlap is detected, it alters the serving timing (from immediate pre-serving to delayed serving after preceding job completion) or the serving location (from predetermined slot to empty slot), thereby optimizing for higher priority feeders
Data Source
AI summary
In a case where a target feeder to be used in a target job is pre-served, a management device determines whether a predetermined slot of the target feeder overlaps with a predetermined slot of a feeder to be used in a preceding job executed prior to the target job. When predetermined slots of both feeders do not overlap with each other, the management device pre-serves the target feeder in the predetermined slot of the target feeder. On the other hand, when the predetermined slots of both feeders overlap with each other, the management device serves the target feeder to the predetermined slot of the target feeder after an execution of a preceding job which uses a feeder of which a predetermined slot overlaps with the predetermined slot of the target feeder is completed.