Tune Compensator Parameters Using the SISO Design Tool
In this example, you get an overview of the steps for tuning compensator parameters. Before you begin, you need:
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A model in the MATLAB workspace representing your plant
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Design requirements for your system
To tune parameters:
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Open the control design GUIs by typing the following in the MATLAB Command Window:
sisotool
This command opens the Control and Estimation Tools Manager and the SISO Design Tool, as shown in the following figure.
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Define the control architecture for your system.
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In the Architecture tab of the Control and Estimation Tools Manager, click Control Architecture.
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In the Control Architecture dialog box, select the control architecture.
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Specify the sign of summing junctions as + or -.
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Specify the plant model and initial guesses for the compensator elements in the control architecture.
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In the Architecture tab of the Control and Estimation Tools Manager, click System Data.
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In the System Data dialog box, browse for a model in the MATLAB® workspace.
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Design a compensator using automated tuning, for example PID Tuning.
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In the Automated Tuning tab of the Control and Estimation Tools Manager, select an automated tuning method.
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Specify tuning options.
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Click Update Compensator to tune parameters.
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Evaluate the system's closed-loop performance.
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Plot the system response.
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In the Analysis Plots tab, select a plot type.
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Select the type of response for each plot.
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Display specific performance characteristic for your system. Compare values to design requirements.
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Right-click to select performance characteristics.
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Click on the dot that appears to view the characteristic value.
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Refine compensator design using graphical tuning.
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Create plots for graphical tuning.
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In the Graphical Tuning tab, select the loop to tune in each plot.
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Select plot types.
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In a design plot, modify the compensator by adding poles, zeros, lead, and lag, for example. To do this, right-click to add dynamic elements in the controller structure.
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Add a new pole, for example, by clicking the pole location on the plot.
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Modify the compensator structure by moving the poles, zeros, and other dynamic elements directly on the plot.
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Export the compensator to the MATLAB workspace for further analysis.
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In the Control and Estimation Tools Manager, select File > Export.
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In the SISO Tool Export dialog box, select the compensator.
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Click Export to Workspace.
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- Tên file:
- The siso tool - Matlab
- Phiên bản:
- N/A
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- Thuộc chủ đề:
- Danh Mục » Ngành cơ điện tử » Động lực học và điều khiển
- Gửi lên:
- 11/08/2013 06:29
- Cập nhật:
- 11/08/2013 06:29
- Người gửi:
- haihoang_boy
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