Simulation-Based Control Input Adjustment for Output Tracking
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Solution Overview
Problem
Existing control systems face challenges in bringing the output value of a control target closer to the envisioned value without analyzing the state of the control target, especially when the planned input values do not yield the desired output due to changes in the control target's characteristics.
Innovation Solution
A control device and method that utilize a response trend calculation unit to simulate the control target, determining a trend in its response, and an input value calculation unit to adjust input values based on this trend, allowing the output value to be brought closer to the envisioned value without direct analysis of the control target's state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If simulation is used to calculate response trend information, then the ability to adjust input values without analyzing control target state is improved, but device complexity increases
Solution Approach 1:
A simulation device is introduced as an intermediary between the control target and the controller. The simulation device calculates response trend information that reflects how the control target would respond to input changes, allowing the controller to adjust input values based on this trend data without directly analyzing the complex internal state of the control target. This intermediary approach simplifies the control process while maintaining accuracy.
2Manufacturing precision
If detailed analysis of control target state is performed, then manufacturing precision of control output is improved, but loss of time increases
Solution Approach 1:
The simulation device performs preliminary calculations of response trend information that anticipates how the control target will respond to potential input changes. By pre-calculating these response trends, the system avoids time-consuming real-time analysis of the control target state when adjustments are needed, while still achieving precise control output through informed input value adjustments.
3Adaptability or versatility
If simulation-based response trend calculation is implemented, then adaptability to control target state changes is improved, but use of energy increases
Solution Approach 1:
The simulation device monitors changes in response trend information calculated from the control target state and dynamically adjusts input values based on these parameter changes. When the control target state changes, the simulation recalculates response trends with updated parameters, enabling the system to adapt to state changes efficiently. The energy consumption is optimized by performing simulations only when necessary, based on detected state changes.
Data Source
AI summary
A control device calculates, by simulation of a control target, information indicating a trend of response of the control target. The control device calculates, based on the information indicating the trend of the response of the control target, an input value to the control target in order to bring an output value of the control target closer to an envisaged value.