Plant Control Switching Between Legacy and New Control Modes
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Solution Overview
Problem
Existing plant control systems face challenges in easily introducing new controls due to high introduction costs, necessitating a method to facilitate the transition between different control modes with relative ease while assessing their effectiveness.
Innovation Solution
A control switching device and method that includes an operation input part, a control switching part, and a display to switch between first and second control modes, allowing users to easily transition between control execution parts, display operational effects, and calculate usage-based charging, enabling flexible control of plant operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a new control execution part is introduced into a plant, then the operating efficiency can be improved, but the introduction cost increases
Solution Approach 1:
The system dynamically switches between first and second control execution parts based on operational needs. The control switching part enables flexible transition between different control modes, allowing the plant to utilize advanced control algorithms only when beneficial, thereby improving operating efficiency without incurring permanent high introduction costs.
Solution Approach 2:
The patent changes the operational state parameter of the control execution part from fixed to variable. By enabling switching between first and second control execution parts, the system can adjust control parameters dynamically, achieving improved operating efficiency while managing introduction costs through selective deployment of advanced control capabilities.
2Adaptability or versatility
If a new control execution part is introduced into a plant, then the control functionality is enhanced, but the system complexity increases
Solution Approach 1:
The control system is segmented into first and second control execution parts with distinct functionalities. The second control execution part implements advanced control algorithms as a separate module, allowing enhanced control functionality to be added without fundamentally complicating the entire system. The control switching part manages transitions between these segmented components.
Solution Approach 2:
The control switching part acts as an intermediary between the first and second control execution parts. It manages the complexity of switching between different control modes by providing a standardized interface, thereby enhancing control functionality while preventing system complexity from becoming unmanageable.
3Ease of operation
If control modes are switched frequently, then the flexibility is improved, but the operational stability decreases
Solution Approach 1:
The control switching part incorporates feedback mechanisms to monitor system state and determine optimal switching timing. By using feedback from operational parameters and performance metrics, the system can switch between control modes flexibly while maintaining operational stability, as switching decisions are based on real-time system conditions rather than arbitrary changes.
Data Source
AI summary
A control switching device including an operation input part configured to receive a switching operation as to whether to use a second control execution part configured to carry out different control over a control object than a first control execution part for controlling the control object, and a control switching part to transition to a second control mode causing the second control execution part to control the control object according to an operation indicating use of the second control execution part to stop control of the first control execution part while having the second control execution part control the control object or to have the first control execution part and the second control execution part control the control object, or to transition to a first control mode causing the first control execution part to control the control object according to an operation indicating disuse of the second control execution part.