Device Information Change Visualization for Maintenance Comparison
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Solution Overview
Problem
Existing device maintenance apparatuses struggle to display device information changes in a manner that allows operators to easily understand variations, particularly when changes occur at different frequencies, making it difficult to assess the impact of changes in field device information.
Innovation Solution
A device maintenance apparatus with a comparison target selector, information type selector, and display mode selector that allows for customizable display formats, enabling operators to select comparison targets, information types, and display formats such as arrows, symbols, characters, or graphs to visualize changes in device information effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If device information changes are displayed in a fixed format on the device maintenance apparatus display, then the display structure is simple, but operators cannot easily understand variations when changes occur at different frequencies
Solution Approach 1:
The display format is made dynamic and adaptable rather than fixed. The system automatically adjusts the display format based on the characteristics of device information changes, such as using graphical representations for frequent changes and tabular formats for less frequent changes, allowing operators to easily understand variations regardless of their frequency
Solution Approach 2:
The system changes display parameters such as time period, graphical representation type, and information aggregation level based on the frequency and nature of device information changes. This allows the same display apparatus to effectively present both daily-changing and monthly-changing information in appropriate formats
2Loss of information
If a fixed time period is used to display device information changes, then the display method is simple, but the variation of device information changing at different frequencies cannot be properly understood
Solution Approach 1:
The time period for displaying device information changes is made dynamic rather than fixed. The system automatically selects appropriate time periods based on the frequency of changes detected in different device information types, ensuring that both rapidly changing and slowly changing parameters are displayed over meaningful time spans
Solution Approach 2:
The display system segments device information by change frequency and type, applying different time periods and display methods to different segments. This allows daily-changing information to be displayed with shorter time periods while monthly-changing information uses longer time periods, preventing information loss for each category
3Loss of information
If only changed information is displayed on the device maintenance apparatus, then the display content is concise, but operators cannot judge the influence of the change in device information
Solution Approach 1:
The display provides different levels of information detail in different regions or contexts. Changed information is prominently displayed with full context including before/after values, impact assessment, and related parameters, while unchanged information is summarized or omitted, creating a balanced display that provides necessary context without overwhelming detail
Data Source
AI summary
A device maintenance apparatus includes: a comparison target selector configured to select comparison targets of a device information of a device as a maintenance target; and a display configured to display a comparative information generated based on changes in the device information.