Weight-Based Item Prioritization for Wireless Process Control Terminals
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Solution Overview
Problem
In process control systems, maintenance engineers face difficulties accessing relevant information on wireless terminals due to limited screen size and the need to manually manage large amounts of data, making it hard to find necessary items quickly.
Innovation Solution
A method and system that continuously determine the relevance of items based on user selection patterns, using weights to prioritize and visually communicate items on the wireless terminal, allowing for adaptive display and reducing the need for manual selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If large amounts of items are stored on the wireless terminal to provide comprehensive access to process control objects, then the completeness of information available to maintenance engineers is improved, but the ease of locating specific items deteriorates due to limited screen size and manual scrolling requirements
Solution Approach 1:
The system automatically determines weights of items based on user selection patterns and autonomously sorts items without requiring manual intervention. The item communication control unit continuously monitors user interactions and self-adjusts the item ordering, eliminating the need for users to manually organize or search through large item lists.
Solution Approach 2:
The item ordering is dynamic rather than static. Weights are continuously determined and updated based on changing user selection patterns, allowing the system to adapt to evolving user needs. This dynamic reordering ensures that frequently accessed items remain easily locatable even as user preferences change over time.
2Loss of information
If all items are displayed on the wireless terminal screen, then complete information access is improved, but the screen real estate required increases beyond the limited display capacity
Solution Approach 1:
The system extracts and prioritizes only the most relevant items for display based on weight calculations. Less important items are effectively taken out of the immediate viewable area and can be accessed through additional interactions, allowing the limited screen space to be dedicated to displaying only the most useful information at any given time.
3Ease of operation
If manual removal of old unwanted items is required to manage limited screen space, then the ease of maintaining the item list is improved, but the time and effort required for manual management increases
Solution Approach 1:
The system automatically manages item list maintenance by continuously determining weights and sorting items accordingly. Old or less relevant items naturally move to lower positions in the sorted list based on their weights, eliminating the need for manual removal or organization. The system self-maintains the item list based on actual usage patterns.
4Measurement precision
If items are sorted by fixed criteria to enable quick location, then the predictability of item positioning is improved, but the adaptability to changing user needs deteriorates
Solution Approach 1:
The system uses user selection patterns as feedback to continuously adjust item weights and positioning. By monitoring which items users select and how frequently, the system refines its understanding of user preferences and adjusts the sorting accordingly, creating a feedback loop that improves both precision and adaptability over time.
Solution Approach 2:
The sorting criteria are dynamic rather than fixed. Item weights are continuously recalculated based on evolving user selection patterns, allowing the system to adapt to changing needs while maintaining precise positioning. This dynamic approach enables the system to balance predictability with adaptability.
Data Source
AI summary
A method, item communication arrangement and a computer program product communicate items representing process control objects to a user of a wireless terminal in a process control system. The arrangement includes an item communication control unit providing the items representing process control objects and configured to continuously determine weights of the items and visually communicate items to the user via the wireless terminal in an order defined by the weights of the items. The weight of an item is determined based on an item selection pattern of the user.