Shuttle Station Scheduling for Flexible Personal Care Manufacturing
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Solution Overview
Problem
Conventional manufacturing systems for personal care products require extensive space and manpower, leading to prolonged cycle times and inefficiencies in processing multiple products with varying operations.
Innovation Solution
A manufacturing system comprising a stage with multiple stations and shuttles that can move freely between these stations, controlled by a system that optimizes the sequence of operations based on availability and reversibility, allowing for simultaneous and concurrent processing of multiple products with different operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional manufacturing systems are used for personal care products, then production can be achieved, but extensive space and manpower are required leading to prolonged cycle times
Solution Approach 1:
The manufacturing system is divided into multiple independent stations (supply station, multiple operation stations, ejecting station) that can process different products simultaneously. Each station performs specific operations on workpieces mounted on shuttles, enabling parallel processing and reducing overall cycle time while maintaining a compact footprint.
Solution Approach 2:
The system transitions from linear sequential processing to a two-dimensional station arrangement where shuttles move between stations in optimized sequences. The controller enables non-sequential access to operation stations, allowing multiple shuttles to be processed in parallel across different spatial dimensions, thereby reducing cycle time without proportionally increasing manufacturing space.
2Adaptability or versatility
If conventional manufacturing systems process multiple products with varying operations, then product variety can be achieved, but inefficiencies occur due to fixed processing sequences
Solution Approach 1:
The system employs dynamic operation sequencing where the controller selects operation stations based on availability and reversibility of execution order. This allows the processing sequence to adapt dynamically to different product requirements and station availability, maintaining high efficiency while accommodating product variety. The shuttle movement and operation execution are flexible rather than fixed.
Solution Approach 2:
The system changes operational parameters including the sequence of operations, shuttle movement paths, and station selection based on product type and requirements. The controller adjusts execution parameters dynamically, allowing the same manufacturing system to efficiently produce various personal care products with different designs and operation sequences without fixed processing constraints.
3Adaptability or versatility
If multiple operation stations are provided for different products, then product variety can be manufactured, but device complexity increases
Solution Approach 1:
Multiple operation stations are designed with universal functionality to handle different types of operations on various personal care products. Rather than having specialized equipment for each product type, the system uses multi-functional stations that can be configured through control logic to perform different operations, reducing physical complexity while maintaining operational flexibility.
Solution Approach 2:
The controller acts as an intermediary that manages the complexity of coordinating multiple operation stations and shuttles. Rather than requiring complex mechanical interconnections between stations, the controller software orchestrates the sequences, availability, and reversibility of operations, centralizing the complexity management and simplifying the physical system architecture.
Data Source
AI summary
A manufacturing device, apparatus, or system can comprise: a stage including a plurality of stations; a shuttle to mount a workpiece thereon and to move between a plurality of the stations to transport the workpiece; and a controller. The controller can control movement of the shuttle by moving the shuttle to a supply station to mount the workpiece thereon, extracting operation stations for performing operations for the mounted workpiece from a plurality of the operation stations, selecting an operation station from the plurality of the operation stations in accordance with availability of the extracted operation stations and reversibility of an execution order of the operations, and moving the shuttle to the selected operation stations in sequence to perform the operations on the workpiece, then moving the shuttle to an ejecting station to eject the workpiece, and then moving the shuttle to the supply station again.