Plant Status Display Using Process Data Summarization
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Solution Overview
Problem
Existing assist devices for grasping the operating status of a plant impose an excessive burden on workers, particularly unskilled individuals, due to the complexity of multidimensional data and inability to simplify the configuration for effective status monitoring.
Innovation Solution
A device comprising a data acquisition unit, summarization unit, and display unit that summarizes multidimensional process data into a simpler form, allowing for easy visualization and understanding of the plant's operating status, using techniques like principal component analysis to reduce data dimensions and combine with registered events for contrastive display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If multidimensional process data is displayed to provide comprehensive plant operating status information, then information completeness is improved, but worker burden and system complexity increase
Solution Approach 1:
The patent segments multidimensional process data into multiple one-dimensional time-series graphs, each representing a specific parameter. This segmentation allows workers to view comprehensive plant status information across multiple parameters without being overwhelmed by a single complex multidimensional display, thus maintaining information completeness while improving ease of operation.
Solution Approach 2:
The patent transforms multidimensional process data into one-dimensional time-series representations by plotting each parameter against time. This dimensionality change simplifies the data presentation from complex multidimensional space to simple one-dimensional graphs, reducing worker burden while preserving all essential operating status information through temporal evolution visualization.
2Loss of information
If multidimensional process data is displayed to provide comprehensive plant operating status information, then information completeness is improved, but device complexity increases
Solution Approach 1:
The system segments multidimensional data into separate one-dimensional time-series graphs for each parameter. This segmentation approach simplifies the device architecture by treating each parameter independently, avoiding the need for complex multidimensional data structures and rendering engines, thus reducing device complexity while maintaining information completeness.
Solution Approach 2:
The patent uses a standardized template for displaying each parameter as a one-dimensional time-series graph. This copying approach allows the system to reuse the same display logic and graphical elements across multiple parameters, significantly reducing device complexity compared to implementing unique display mechanisms for each multidimensional parameter.
3Adaptability or versatility
If unskilled personnel are provided with access to plant operating status, then operational accessibility is improved, but ability to understand complex data decreases
Solution Approach 1:
The patent transforms complex multidimensional process data into simple one-dimensional time-series graphs that show parameter evolution over time. This dimensionality reduction makes the data accessible to unskilled personnel by presenting it in an intuitive format that requires minimal technical knowledge to understand, while still conveying all essential operating status information.
Solution Approach 2:
The patent employs color coding to indicate the state of each parameter (e.g., normal, warning, alarm conditions). This visual encoding allows unskilled personnel to quickly grasp the operating status without needing to interpret complex numerical data, improving operational accessibility while compensating for reduced data understanding ability through intuitive visual cues.
Data Source
AI summary
An assist device is for grasping the operating status of a plant and includes a data acquisition unit that acquires process data for the plant, a summarization unit that summarizes the dimensionality of the process data acquired by the data acquisition unit, and a display unit that displays the summarized data summarized by the summarization unit.