Distributed Control System Visual Encoding for Operator Cognitive Load
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Solution Overview
Problem
The cognitive load for human operators monitoring and controlling complex distributed systems is high due to numerous components and bidirectional connections, leading to increased complexity and reduced screen real estate, which can result in inefficiencies and mistakes when responding to abnormal situations.
Innovation Solution
A distributed control system that encodes connection information between consumers and providers, allowing for the display of relevant, reduced, and rich information on limited screen real estate, using visual encodings such as thickness, color, and movement to represent connection properties, enabling effective monitoring and timely responses.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of components and connections in a distributed system increases, then the system's functionality and connectivity are improved, but the cognitive load for operators increases and screen real estate is reduced
Solution Approach 1:
The system segments the complex network into functional groups (providers and consumers) and visualizes connections through encoded graphical representations. This segmentation reduces the cognitive load by organizing complex interconnections into manageable visual patterns, allowing operators to understand system topology without being overwhelmed by individual connection details.
Solution Approach 2:
The patent uses color encoding to represent different connection types, states, and properties. By assigning specific colors to different connection characteristics, the system reduces cognitive load through visual differentiation, allowing operators to quickly identify and understand connection properties at a glance without detailed textual descriptions.
2Loss of information
If more information is displayed to operators, then the completeness of system monitoring is improved, but the screen real estate available for useful information is reduced
Solution Approach 1:
The system merges multiple pieces of connection information into a single encoded graphical representation. Instead of displaying connection details as separate text elements, the patent combines state, type, and property information into unified visual symbols and line encodings, maximizing information density within limited screen space.
Solution Approach 2:
The patent transitions from two-dimensional text-based information display to multi-dimensional graphical encoding. By using varying line thicknesses, colors, patterns, and spatial arrangements, the system encodes multiple information dimensions within a compact visual format, effectively increasing information capacity without proportionally increasing screen area.
3Measurement precision
If detailed connection information is displayed, then the accuracy of system monitoring is improved, but the ease of operation is reduced due to information overload
Solution Approach 1:
The system uses color-coded representations to convey connection states and properties at a glance. Operators can quickly assess system health and identify issues through color patterns without needing to read detailed connection metadata, maintaining monitoring accuracy while significantly improving operational efficiency through rapid visual assessment.
Solution Approach 2:
The patent segments connection information into visual categories (providers, consumers, connection types, states) and presents them through distinct graphical patterns. This segmentation allows operators to process information hierarchically, focusing on high-level patterns first and drilling down into details only when necessary, thereby maintaining accuracy without overwhelming the operator.
Data Source
AI summary
Methods, systems, and apparatuses are described that can encode connection information between consumers and providers for displaying to users. In an example aspect, a distributed control system includes a production network configured to perform automated control operation. The production network can include one or more data extraction nodes and a plurality of devices in communication with the data extraction nodes. The data extraction nodes are configured to collect data from the plurality of devices. The data indicates connection information associated with the plurality of devices. The system can further include a screen configured to display a plurality of interfaces that include the plurality of devices represented as consumers and providers. In some cases, the screen defines a single desktop monitor or a mobile device display.