Modular Production Cell Reconfiguration With Vision-Guided Modules
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Solution Overview
Problem
Current robotic manufacturing cells are time-consuming to set up and reconfigure, leading to prolonged downtime and limited adaptability for different tasks, as they are typically programmed for specific processes and require complete reconfiguration for changes.
Innovation Solution
A modular production cell with interchangeable modules, a vision system for identity and location determination, and standardized interfaces for rapid reconfiguration, allowing for flexible adaptation to various tasks and incremental changes without requiring complete reprogramming.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a production cell is programmed to perform a specific process, then the process can be executed reliably, but the production cell cannot be easily reconfigured for different tasks
Solution Approach 1:
The production cell is divided into independent, interchangeable modules that can be individually programmed and replaced. Each module encapsulates specific functionality, allowing the system to maintain reliable execution of assigned tasks while enabling reconfiguration by swapping modules rather than reprogramming the entire system.
Solution Approach 2:
The production cell employs a universal interface standard that allows different modules to perform various functions while maintaining compatibility with the core system. This enables the same hardware platform to reliably execute multiple different processes by changing the functional modules, thus achieving both reliability and adaptability.
2Loss of time
If a production line is programmed for its whole lifetime, then programming time is reduced, but incremental changes and improvements become difficult and time-consuming
Solution Approach 1:
By segmenting the production line into modular components, the system allows incremental changes to be made by replacing individual modules rather than reprogramming the entire line. This maintains the time efficiency of initial programming while enabling straightforward incremental improvements throughout the system's lifetime.
Solution Approach 2:
The system transitions from a static, fixed-program configuration to a dynamic, reconfigurable architecture where modules can be added, removed, or replaced based on changing requirements. This dynamic capability allows the production line to adapt incrementally over time without requiring complete reprogramming.
3Reliability
If tools are given and fixed in a production cell, then the cell can perform its designated task reliably, but reconfiguration for new tasks becomes difficult and time-consuming
Solution Approach 1:
Tools and processing equipment are organized into discrete, replaceable modules that can be independently swapped. This segmentation maintains reliable task performance by ensuring each module is properly configured for its specific function while dramatically simplifying reconfiguration through physical module replacement rather than complex tool reinstallation.
Solution Approach 2:
A universal mounting interface and communication protocol are implemented across all tool modules, allowing different tools to be interchangeably installed in the same positions. This universality enables reliable task execution with any compatible module while making reconfiguration as simple as changing tool modules, thus resolving the contradiction between reliability and reconfiguration ease.
4Productivity
If a complete production process is set up and debugged in a single step, then the system can operate at full capacity, but commissioning time is prolonged and risk increases
Solution Approach 1:
The production process is divided into separate modular stages that can be commissioned independently. Each module can be tested and validated in isolation before being integrated into the full system, dramatically reducing commissioning time and risk while still achieving full operating capacity through progressive module addition.
Solution Approach 2:
Individual modules can be pre-configured, tested, and validated before being installed in the production cell. This preliminary action allows debugging to be performed on small, manageable units rather than the complete system, reducing commissioning time and enabling a gradual ramp-up to full operating capacity.
Data Source
AI summary
A production cell includes: at least one robot arranged to handle products; at least one buffer area for intermediate storage of products inside the production cell; a vision system with cameras arranged to determine, based on images from the cameras, the identity and the location of objects in the production cell a plurality of production modules, each production module comprising at least one Hardware Module configured to process products; and a plurality of module attachment locations, each module attachment location being configured to connect with an interface section of a production module through at least a physical connection and a power connection.