External Storage Operator Screen Retrieval
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Solution Overview
Problem
In machine control systems, displaying appropriate operation information on a display device connected to a different controller requires time-consuming and effortful storage operations for each controller, making it inefficient to show the correct screen for an operator across multiple machines and controllers.
Innovation Solution
A machine control system that uses an external storage device to associate operator personal information with operation information screens and includes an authentication unit to authenticate operators, allowing the controller to read and display the appropriate screen from the external storage device without needing to store this information on each individual controller.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If operator identification information and appropriate screens are stored in each controller's storage region, then each controller can display the appropriate screen for its connected display device, but the storage operation must be carried out on each controller individually, requiring time and effort
Solution Approach 1:
The patent merges the storage function for operator information and screen data from multiple distributed controllers into a single external storage device. This external storage device is accessible by all controllers, allowing any controller to retrieve the appropriate screen for any operator without requiring individual storage operations on each controller. This eliminates the time-consuming repetitive storage operations while maintaining accurate screen display.
Solution Approach 2:
The external storage device acts as an intermediary between the controllers and the operator information/screens. Instead of each controller directly storing and managing operator data, they all access the centralized external storage device which mediates the data retrieval process. This intermediary approach allows any controller to efficiently obtain the correct screen for any operator without individual storage operations.
2Adaptability or versatility
If operator identification information and appropriate screens are stored in each controller, then the correct screen can be displayed for each operator, but the system complexity increases as each controller requires its own storage operation
Solution Approach 1:
The external storage device provides universal access to all controllers, serving as a shared resource for storing and retrieving operator information and screens. This single universal storage solution replaces the need for each controller to have its own dedicated storage operation, reducing system complexity while maintaining the ability to display appropriate screens for any operator on any controller.
3Ease of operation
If each controller stores operator information locally, then the display device connected to that controller can show the appropriate screen, but transferring operator screens between different controllers requires repetitive storage operations
Solution Approach 1:
By merging the storage capability into a single external storage device accessible by all controllers, the system allows operators to seamlessly access their screens on any controller without repetitive storage operations. This improves ease of operation and operator productivity when working across multiple machines or controllers.
Data Source
AI summary
A machine control system includes a display device to display operation information to operate a machine, an external storage device which stores personal information to identify an operator and a screen of the operation information displayed by the operator on the display device in association with each other, and an authentication unit to authenticate the operator based on the personal information stored in the external storage device. A controller reads out, from the external storage device, the operation information screen displayed on the display device by the operator authenticated by the authentication unit, and displays the same on the display device.