Decentralized Vacuum Handling System with Sub-Control Units
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Solution Overview
Problem
Existing handling systems require extensive reprogramming and break-in periods when handling devices are changed or added, as they rely on a central control device for operating parameter updates, leading to inefficiencies and potential errors in system control.
Innovation Solution
A decentralized system where each vacuum generator has a sub-control unit and recognition unit with an electronic storage device, allowing for direct communication and automatic configuration based on read-out operating data, enabling flexible operation and monitoring without central control dependency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a central control device is used to manage vacuum generators and handling devices, then system control and coordination are achieved, but extensive reprogramming and time-consuming process inputs are required when handling devices are changed or added
Solution Approach 1:
The patent divides the centralized control system into decentralized control units, where each vacuum generator has its own control unit that can independently read and process operating parameters from storage devices associated with handling devices. This segmentation eliminates the need for extensive reprogramming of a central controller when devices are changed, as each control unit autonomously adapts to the connected handling device.
Solution Approach 2:
Each vacuum generator control unit is equipped with the capability to automatically read operating parameters from the storage device of the connected handling device and configure itself without external intervention. This self-service mechanism allows the system to adapt to device changes automatically, eliminating manual reprogramming and break-in periods.
2Adaptability or versatility
If operating parameters are stored in a central control device, then system-wide coordination is maintained, but complex registration and data maintenance are necessary when expanding the system
Solution Approach 1:
The patent assigns individual storage devices to each handling device, containing its specific operating parameters locally. This segmentation of data storage eliminates the need for complex centralized data maintenance during system expansion, as new devices simply bring their own parameter sets without requiring central database updates or registrations.
Solution Approach 2:
The standardized storage devices and control units can be universally applied across different handling devices and vacuum generators. This universality allows system expansion without increasing data maintenance complexity, as the same read-out and configuration mechanism works for all devices regardless of type or position in the system.
3Reliability
If a centralized control system is used, then all handling devices can be coordinated, but break-in periods are necessary to verify and optimize operating parameters
Solution Approach 1:
The patent stores pre-optimized operating parameters in the storage devices of handling devices before they are connected to the vacuum generators. These parameters have been previously verified and optimized, eliminating the need for break-in periods to verify and tune parameters during system setup or device replacement.
Solution Approach 2:
Each control unit automatically reads and applies the pre-stored operating parameters from the connected handling device's storage device without requiring manual verification or optimization periods. This self-configuration capability eliminates productivity losses associated with break-in periods while maintaining reliable operation.
4Ease of operation
If operating data is centrally managed, then system-wide monitoring is possible, but error identification and correction become more complex in decentralized systems
Solution Approach 1:
The patent assigns specific operating data and status information to each handling device's storage device and its associated control unit. This segmentation localizes error identification to specific devices and their control units, making it easier to detect and correct errors compared to searching through centralized system-wide data, while still allowing optional central monitoring through the bus system.
Data Source
AI summary
A handling system having at least one vacuum generator and an associated vacuum handling device connected to and operable via the vacuum generator. The vacuum handling device is provided with an individually assigned recognition unit including a memory device in which operating data for the vacuum handling device is storable and can be read out. Each vacuum generator has a respective sub-control unit adapted to control the vacuum generator depending on data transmitted from the recognition unit. The memory device of the recognition unit can be read out directly from the sub-control unit.